{"id":15483,"date":"2022-05-25T08:59:37","date_gmt":"2022-05-25T08:59:37","guid":{"rendered":"https:\/\/www.wintersunexpert.com\/september-weather-in-san-diego-california\/"},"modified":"2022-05-25T08:59:38","modified_gmt":"2022-05-25T08:59:38","slug":"september-weather-in-san-diego-california","status":"publish","type":"post","link":"https:\/\/www.wintersunexpert.com\/september-weather-in-san-diego-california\/","title":{"rendered":"September Weather in San Diego, California - 2024"},"content":{"rendered":" <!-- wp:paragraph -->\n<p>San Diego, known as \"America's finest city\", is situated in the state of California. The city is famous for its pleasant weather and extensive white-sand beaches. &nbsp;San Diego has something to offer to everyone visiting and is full of opportunities. Many snowbirds like to come here as San Diego is an ideal place for a second home with its year-round friendly climate and lively atmosphere.<\/p>\n<!-- \/wp:paragraph -->\n\n<div class=\"climate_paragraph top_paragraph\">Weather September 2024 in San Diego California:<br><br>Generally, September in San Diego will be quite hot, with an average temperature of around 87\u00b0F \/ 31\u00b0C. As the humidty is low, it will feel very comfortable. You can expect around 1 rainy days, with on average 0.1 inches \/ 2 mm of rain during the month of September.<\/div><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/main_images\/San Diego Florida weather in September - water temperature - comfort.jpg\" alt=\"Comfortable (not really humid) with high temperatures\" class=\"wp-image-climate_main\"\/><!-- \/wp:image --><!-- wp:paragraph --><p><!-- wp:heading --><h2>September weather in San Diego California<\/h2><!-- \/wp:heading -->To get a good overview of the type of weather you can expect in September in San Diego, we will look at the day and night temperature, minimum and maximum water temperature, and if September is comfortable or humid<br><br>Generally, September in San Diego will be quite hot. Historical data shows that you can expect an average temperature of around 87\u00b0F \/ 31\u00b0C. As the humidty is low, it will feel very comfortable. During the night, it will cool down to around 64\u00b0F \/ 18\u00b0C.<br><br>San Diego does not have a lot of rainy days in September. You can expect around 1 rainy days, with on average 0.1 inches \/ 2 mm of rain during the whole month.<br><br><\/p><!-- \/wp:paragraph --><div class='weather_monthly_images_container'><div class=\"weather_monthly_images_item\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/weather_month_images\/month_9\/September Day and Night Temperature for San Diego California.jpeg\" alt=\"Average temperature\" class=\"monthly_av_temp monthly_image\"><\/div><div class=\"weather_monthly_images_item\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/weather_month_images\/month_9\/September Minimum and Maximum Water temperature for San Diego California.jpeg\" alt=\"Average Sea temperature\" class=\"monthly_sea_temp monthly_image\"><\/div><div class=\"weather_monthly_images_item comf_hurr_single\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/weather_month_images\/month_9\/September Wintersun Comfort grade for San Diego California.jpeg\" alt=\"Wintersun Comfort grade and huricane risk\" class=\"monthly_comf_hurr monthly_image\"><\/div><\/div><!-- wp:paragraph --><p><div class=\"climate_paragraph_normal\">The forecast for September 2024 is based on historical data and are averages. They will give a good indication what you can expect, but the daily temperature and rain will fluctuate during the month.<\/div><\/p><!-- \/wp:paragraph --><!-- wp:paragraph --><p><!-- wp:heading --><h2>September weather in San Diego California in more detail<\/h2><!-- \/wp:heading -->To get a better feeling for the type of weather, you can expect in September in San Diego, we will look at the temperature, rain, wind, humidity, water temperature, and sun and clouds<div class=\"toggle_switch\">\r\n    \t<div class=\"btn-container\">\r\n\t\t<i class=\"fa fa-sun-o\" aria-hidden=\"true\"><\/i>\r\n\t\t\t<label class=\"switch btn-color-mode-switch\">\r\n\t\t        <input type=\"checkbox\" name=\"color_mode\" id=\"color_mode\" value=\"1\">\r\n\t\t        <label for=\"color_mode\" data-on=\"Metric\" data-off=\"Imperial\" class=\"btn-color-mode-switch-inner\"><\/label>\r\n\t\t    <\/label>\r\n\t<\/div>\r\n    <\/div><\/p><!-- \/wp:paragraph --><!-- wp:heading --><h3>- What will the temperature be in San Diego in September<\/h3><!-- \/wp:heading --><!-- wp:paragraph --><p>Generally, you can expect in September an average temperature of 87\u00b0F \/ 31\u00b0C during the day and an average of 64\u00b0F \/ 18\u00b0C during the night. In September, during the warmest part of the afternoon, the temperature can often get as high as 102\u00b0F \/ 39\u00b0C, and at the end of the night, it can get as low as 55\u00b0F \/ 13\u00b0C.<\/p><!-- \/wp:paragraph --><!-- wp:paragraph --><p>When looking at the whole year, December is the coldest month, with an average temperature of around 66\u00b0F \/ 19\u00b0C. August is the hottest month,  with an average temperature of around 89\u00b0F \/ 32\u00b0C. When comparing September with the temperature in the month before and after, this is almost equal to August, which sees an average maximum temperature of around 89\u00b0F \/ 32\u00b0C. And slightly more than October, which sees an average maximum temperature of around 80\u00b0F \/ 27\u00b0C.<br><br><\/p><!-- \/wp:paragraph --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_imperial do-not-show\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california average day and night temperature in c.png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california average day and night temperature in c.png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california average day and night temperature in c.png\" alt=\"September temperature for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>Day and night temperature variation for San Diego during the year.<\/figcaption><\/figure><!-- \/wp:image --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_metric\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california average day and night temperature in f.png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california average day and night temperature in f.png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california average day and night temperature in f.png\" alt=\"September temperature for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>Day and night temperature variation for San Diego during the year.<\/figcaption><\/figure><!-- \/wp:image --><div class=\"toggle_switch\"><\/div><!-- wp:paragraph --><p>But average temperatures only tell half of the story. It is also good to check the maximum and minimum temperatures. When looking at the whole year, September is the hottest month,  with a temperature  of around 102\u00b0F \/ 39\u00b0C. December is the coldest month, with a temperature  of around 78\u00b0F \/ 26\u00b0C. When comparing September with the temperature in the month before and after, this is almost equal to August, which sees an average maximum temperature of around 100\u00b0F \/ 38\u00b0C. And slightly more than October, which sees an average maximum temperature of around 95\u00b0F \/ 35\u00b0C.<br><br><\/p><!-- \/wp:paragraph --><!-- wp:paragraph --><p>In the following graph, you can see how many cold and hot days you can expect in San Diego each month:<\/p><!-- \/wp:paragraph --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_imperial do-not-show\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california temperature during the year in c.png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california temperature during the year in c.png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california temperature during the year in c.png\" alt=\"September temperature for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>Day and night temperature variation for San Diego during the year.<\/figcaption><\/figure><!-- \/wp:image --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_metric\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california temperature during the year in f.png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california temperature during the year in f.png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california temperature during the year in f.png\" alt=\"September temperature for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>Day and night temperature variation for San Diego during the year.<\/figcaption><\/figure><!-- \/wp:image --><div class=\"toggle_switch\"><\/div><!-- wp:heading --><h3>- Can you expect rain in September in San Diego?<\/h3><!-- \/wp:heading --><!-- wp:paragraph --><p>Generally, you can expect about 1 rain days in September, with on average 0.1 inches \/ 2 mm of rain.<\/p><!-- \/wp:paragraph --><!-- wp:paragraph --><p>When looking at the whole year, August is the dryest month, with an average rainfall of around 0 inches \/ 0 mmmm. February is the wettest month,  with an average rainfall of around 2.2 inches \/ 57 mmmm. When comparing September with the month before and after,  this is almost equal to August, which sees around 0 inches \/ 0 mm of rain. And a lot less than October, which sees around 0.5 inches \/ 13 mm of rain<br><br><\/p><!-- \/wp:paragraph --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_imperial do-not-show\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california rain during the year in c.png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california rain during the year in c.png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california rain during the year in c.png\" alt=\"September rain for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>Rain days for San Diego during the year.<\/figcaption><\/figure><!-- \/wp:image --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_metric\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california rain during the year in f.png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california rain during the year in f.png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california rain during the year in f.png\" alt=\"September rain for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>Rain days for San Diego during the year.<\/figcaption><\/figure><!-- \/wp:image --><div class=\"toggle_switch\"><\/div><!-- wp:paragraph --><p>If we look at the number of days with rain, August is the month with the least amount of rain days  with an average of between 0 and 1 days. February is the month with the most rain days  with an average of between 6 and 7 days.  When comparing September with the month before and after,  this is almost equal to August, which sees an average of between 0 and 1 days of rain. And almost equal to October, which sees an average of between 2 and 3 days of rain<\/p><!-- \/wp:paragraph --><!-- wp:heading --><h3>- What will the water temperature be in San Diego for September<\/h3><!-- \/wp:heading --><!-- wp:paragraph --><p>You can expect in September, the water temperature for San Diego to be between 69\u00b0F \/ 21\u00b0C and 64\u00b0F \/ 18\u00b0C.<\/p><!-- \/wp:paragraph --><!-- wp:paragraph --><p>To compare the water temperature we will use the maximum water temperature. You can expect this temperature on a more sunny day, close to the shore, when the wind does not mix the relatively warmer and colder water.<br><br>August has the highest water temperature,  with around 69\u00b0F \/ 21\u00b0C. February has the lowest water temperature, with around 60\u00b0F \/ 16\u00b0C. When comparing the water temperature from September with the month before and after, September has a water temperature almost equal to August, with a water temperature of around 69\u00b0F \/ 21\u00b0C. And almost equal to the water temperature from October, that is around 68\u00b0F \/ 20\u00b0C.<br><br><\/p><!-- \/wp:paragraph --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_imperial do-not-show\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california average water temperature in c.png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california average water temperature in c.png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california average water temperature in c.png\" alt=\"September water temperature for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>Water temperature for San Diego during the year.<\/figcaption><\/figure><!-- \/wp:image --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_metric\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california average water temperature in f.png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california average water temperature in f.png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california average water temperature in f.png\" alt=\"September water temperature for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>Water temperature for San Diego during the year.<\/figcaption><\/figure><!-- \/wp:image --><div class=\"toggle_switch\"><\/div><!-- wp:heading --><h3>- Can you expect in September a lot of sunny days in San Diego<\/h3><!-- \/wp:heading --><!-- wp:paragraph --><p>Generally, you can expect around 9 sunny days in September and around 21 partly sunny days. The remaining days will be cloudy.<\/p><!-- \/wp:paragraph --><!-- wp:paragraph --><p>When looking at the whole year, December is the month with the highest number of sunny days,  with around 15 sunny days. June is the month with the lowest number of sunny days, with an average of between 4 and 5 sunny days. When comparing September with the number of sunny days in the month before and after,  it is almost equal to August, with around 9 sunny days. And slightly less than October, with an average of between 12 and 13 sunny days <br><br><\/p><!-- \/wp:paragraph --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_imperial do-not-show\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california cloudy - partly cloudy - sunny days .png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california cloudy - partly cloudy - sunny days .png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california cloudy - partly cloudy - sunny days .png\" alt=\"September temperature for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>The number of sunny, partly sunny, and cloudy days for San Diego<\/figcaption><\/figure><!-- \/wp:image --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_metric\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california cloudy - partly cloudy - sunny days .png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california cloudy - partly cloudy - sunny days .png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california cloudy - partly cloudy - sunny days .png\" alt=\"September temperature for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>The number of sunny, partly sunny, and cloudy days for San Diego<\/figcaption><\/figure><!-- \/wp:image --><div class=\"toggle_switch\"><\/div><!-- wp:paragraph --><p>We have looked at the sunny days in San Diego. Let's also look at the cloudy or overcast days. February is the month with the highest number of cloudy days,  with around 6 cloudy days. August is the month with the lowest number of cloudy days, with around 0 cloudy days. When comparing September with the number of cloudy days in the month before and after,  it is almost equal to August, with around 0 cloudy days. And almost equal to October, with an average of between 2 and 3 cloudy days <br><br><\/p><!-- \/wp:paragraph --><!-- wp:heading --><h3>- Will it be comfortable in September in San Diego?<\/h3><!-- \/wp:heading --><!-- wp:paragraph --><p>Generally, September in San Diego will have a low humidty, and will feel very comfortable.<\/p><!-- \/wp:paragraph --><!-- wp:paragraph --><p>We use the humidity and temperature in San Diego to calculate the Wintersun Expert Comfort level for each month. The lower the Wintersun Expert Comfort level, the more comfortable it will be. Only for certain people, extremely dry air can feel slightly uncomfortable.<br><br>When looking at the whole year, November has the lowest humidity, with a Wintersun Expert comfort level of \"comfortable\" (very dry air). July has the highest humidity,  with a Wintersun Expert comfort level of \"comfortable\" (not very humid). When comparing September with the month before and after,  this is slightly less than August, which has a Wintersun Comfort level of \"comfortable\" (not very humid). And slightly more than October, which has a Wintersun Comfort level of \"comfortable\" (very dry air)<\/p><!-- \/wp:paragraph --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_imperial do-not-show\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california comfort level .png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california comfort level .png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california comfort level .png\" alt=\"September humidity \/ comfort level for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>Wintersun Expert Humidity \/ Comfort level for San Diego<\/figcaption><\/figure><!-- \/wp:image --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_metric\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california comfort level .png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california comfort level .png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california comfort level .png\" alt=\"September humidity \/ comfort level for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>Wintersun Expert Humidity \/ Comfort level for San Diego<\/figcaption><\/figure><!-- \/wp:image --><div class=\"toggle_switch\"><\/div><!-- wp:heading --><h2>What to do in San Diego California in September<\/h2><!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>San Diego has a lot to offer, from breathtaking views to historical monuments and museums:<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul><li><strong>Balboa Park: <\/strong>Extending over 1,400 acres, this place is an all in one visitor's spot, Balboa Park offers everything from gardens and zoo to museums and historical buildings.<\/li><li><strong>Midway Aircraft Carrier Museum:<\/strong> Permanently berthed at the Navy Pier is the decommissioned USS Midway. The aircraft carrier is one of the largest US military ships. The museum has more than 60 exhibits and many restored aircraft.<\/li><li><strong>Cabrillo National Monument: <\/strong>This monument is famous for its history as well as the amazing views it has to offer.<\/li><li><strong>Old Town State Historic Park: <\/strong>This place is considered as the 'birthplace of California'. The restored shops and houses make you take a trip down the memory lane to the first European settlement in California.<\/li><li><strong>SeaWorld San Diego:<\/strong> SeaWorld offers a glimpse into the wildlife. Among the sea animals, you can see the California Sea lions, Dolphins, Sea Turtles, and California otters.<\/li><li><strong>Beaches of San Diego: <\/strong>Situated at different distances from the city center, San Diego has a lot of beaches for those who want to relax and enjoy the sea view. The most prominent beaches are Mission Beach, Pacific Beach, Coronado Beach, and La Jolla shores.<\/li><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading --><h2>Is it humid in San Diego California in September?<\/h2><!-- \/wp:heading -->A lot of people ask interested in the humidity or relative humidity for San Diego California in September. But the real question they want to ask is not about humidity but the amount of moisture in the air. Or better, about comfort. Will it be comfortable in September in San Diego, or will high humidity make it uncomfortable.<br><br>To answer this question, we have to look at the dew point. Relative humidity can change a lot in San Diego during the day and night, as it changes when the amount of moisture changes and, but also when the temperature changes. It is a lot less reliable for comfort. Where the dew point only varies with the amount of moisture in the air.<br><br><!-- wp:paragraph --><p>Looking at the dew point, we can see that for the month of September, you can expect that San Diego will have a low humidty, and will feel very comfortable.<\/p><!-- \/wp:paragraph --><!-- wp:paragraph --><p>November is the month with the most comfort. It will have very dry air, and can feel somewhat uncomfortable for some people. But will be fine for most.. July is the most uncomfortable month. It will not be very humid, and will feel comfortable. In the graph, you can see that there is a significant difference between the most comfortable and most uncomfortable months<\/p><!-- \/wp:paragraph --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_imperial do-not-show\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california comfort level .png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california comfort level .png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california comfort level .png\" alt=\"SeptemberHumidity level for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>Humidity level for San Diego<\/figcaption><\/figure><!-- \/wp:image --><!-- wp:image {\"sizeSlug\":\"large\"} --><figure class=\"wp-block-image size-large image_metric\"><a href=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california comfort level .png\" class=\"img-lightbox-link\" data-src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california comfort level .png\" aria-hidden=\"true\" rel=\"lightbox\"><img decoding=\"async\" src=\"https:\/\/www.wintersunexpert.com\/wp-content\/plugins\/DefacMonthlyPost\/images\/san diego california comfort level .png\" alt=\"SeptemberHumidity level for San Diego California\" class=\"wp-image-climate_image\"\/><\/a><figcaption>Humidity level for San Diego<\/figcaption><\/figure><!-- \/wp:image --><div class=\"toggle_switch\"><\/div><!-- wp:heading --><h2>Is September a good time to go to San Diego California?<\/h2><!-- \/wp:heading --><!-- wp:paragraph --><p>Trying to answer the question of whether September is a good time to go to San Diego is not as easy as it first seems. Some people like colder weather, and others prefer a warmer climate. Some are fine with some humidity, and others are not. If your location has air conditioning, the night temperature is less important.<br><br>These are some examples. I will try to answer the question with a more generic person in mind. The more detailed information in this article should be enough to check further if this applies to you as well.<\/p><!-- \/wp:paragraph --><!-- wp:paragraph --><p>If we look at the average temperature for San Diego in September, we can see that it will be too hot for a lot of visitors. In September, you can expect it to be quite hot, with an average temperature of around 87\u00b0F \/ 31\u00b0C. As the humidty is low, it will feel very comfortable. During the night, it will be around 64\u00b0F \/ 18\u00b0C.<br><br>As the number of overcast days is not high, you can enjoy the sun with around 9 sunny days and 21 partly sunny days.<br><br>The last aspect we will look at is rain. You can expect around 1 rainy days, with on average 0.1 inches \/ 2 mm of rain during September. If it were more than five days, the location would be slightly less attractive for a shorter stay.<br><br>We have looked at the average day temperature, the night temperature, humidity, the number of overcast days, and the rain. We think that September in San Diego California is not the most optimal destination. But that doesn't mean it is not a good time for you to go. As said before, each visitor has their own preferences when it comes to the weather.<\/p><!-- \/wp:paragraph --><!-- wp:heading --><h2>Does it rain all day in San Diego California in September?<\/h2><!-- \/wp:heading --><!-- wp:paragraph --><p><\/p><!-- \/wp:paragraph --><!-- wp:paragraph --><p>In San Diego, it does not rain all day in September. You can expect around 1 rainy days, with on average 0.1 inches \/ 2 mm of rain during the month.<br><br>Another way of looking at the rain is the number of sunny days. For San Diego California, there are, on average 9 sunny days and 21 partly sunny days in September. That clearly shows that it is not raining all the time.<\/p><!-- \/wp:paragraph --><!-- wp:heading --><h2>Is September the rainiest month in San Diego California?<\/h2><!-- \/wp:heading --><!-- wp:paragraph --><p>September is not the month with the most rainy days, and not the month with the most rain.<br><br>To answer what the rainiest month is in San Diego, we will both look at the month with the most rain, and the month with the highest number of rainy days.<br><br>February is the month with the the highest number of rainiest days. On average, you can expect 7 days with rain. August is the month with the lowest number of rainy days, with aproximately 0 days.<br><br>February is the month with the most rain. This is not equal as the one with the most rainy days. On average, you can expect 2.2 inches \/ 57 mm of rain. August is the month with the least amount of rain. This is not the same month as the one with the lowest number of rainy days. You can expect approximately 0 inches \/ 0 mm of rain.<\/p><!-- \/wp:paragraph --><!-- wp:heading --><h2>Is September the most sunniest month in San Diego California?<\/h2><!-- \/wp:heading --><!-- wp:paragraph --><p>September is not the month with the most sunny days, not the month with the most partly sunny days, and it is not the month with the lowest number of overcast days.<br><br>To answer what the sunniest month is in San Diego, we will of course look at the month with the most sunniest days, but also look at the month with the biggest number of days that are sunny or partly sunny.<br><br>December is the month with the highest number of sunny days. On average, you can expect 9 sunny days, and 21 partly suny days. June is the month with the lowest number of sunny days.<br><br>August is the month with the highest number of sunny days and partly sunny days combined. While February is the month with the lowest number of sunny days and partly sunny days combined.<br><br>The last thing we will look at is the number of overcast days. August is the month with the lowest number of overcast days. While February is the month with the highest number of overcast days. <\/p><!-- \/wp:paragraph --><script>\r\n            document.addEventListener('cttm_map_loaded', function (e) {\r\n            for (let i = 0; i < cttm_map.length; i++) {\r\n                cttm_map[i].setView([32.7173,-117.16215], 10);\r\n            }\r\n            }, false);\r\n            <\/script><!-- wp:heading --><h2>More information about San Diego California<\/h2><!-- \/wp:heading --><div><b><a href=\"https:\/\/www.wintersunexpert.com\/spend-your-winter-in-san-diego-california-is-san-diego-a-good-snowbird-location\/\" rel=\"bookmark\">Click here for more information about the destination \"San Diego California\"<\/a><\/b><\/div><!-- wp:heading --><h2>Weather in San Diego California in other months<\/h2><!-- \/wp:heading --><!-- wp:list -->\r\n        <ul class=\"climate_two_columns\"><li><b><a href=\"\/january-weather-in-san-diego-california\/\">Weather in San Diego California for January<\/a><\/b><\/li><li><b><a href=\"\/february-weather-in-san-diego-california\/\">Weather in San Diego California for February<\/a><\/b><\/li><li><b><a href=\"\/march-weather-in-san-diego-california\/\">Weather in San Diego California for March<\/a><\/b><\/li><li><b><a href=\"\/april-weather-in-san-diego-california\/\">Weather in San Diego California for April<\/a><\/b><\/li><li><b><a href=\"\/may-weather-in-san-diego-california\/\">Weather in San Diego California for May<\/a><\/b><\/li><li><b><a href=\"\/june-weather-in-san-diego-california\/\">Weather in San Diego California for June<\/a><\/b><\/li><li><b><a href=\"\/july-weather-in-san-diego-california\/\">Weather in San Diego California for July<\/a><\/b><\/li><li><b><a href=\"\/august-weather-in-san-diego-california\/\">Weather in San Diego California for August<\/a><\/b><\/li><li><b><a href=\"\/october-weather-in-san-diego-california\/\">Weather in San Diego California for October<\/a><\/b><\/li><li><b><a href=\"\/november-weather-in-san-diego-california\/\">Weather in San Diego California for November<\/a><\/b><\/li><li><b><a href=\"\/december-weather-in-san-diego-california\/\">Weather in San Diego California for December<\/a><\/b><\/li><\/ul>\r\n        <!-- \/wp:list --><!-- wp:heading --><h2>What to do in San Diego California for each month<\/h2><!-- \/wp:heading --><!-- wp:list -->\r\n        <ul class=\"climate_two_columns\"><li><b><a href=\"\/what-to-do-in-january-in-san-diego-california\/\">What to do in January in San Diego California<\/a><\/b><\/li><li><b><a href=\"\/what-to-do-in-february-in-san-diego-california\/\">What to do in February in San Diego California<\/a><\/b><\/li><li><b><a href=\"\/what-to-do-in-march-in-san-diego-california\/\">What to do in March in San Diego California<\/a><\/b><\/li><li><b><a href=\"\/what-to-do-in-april-in-san-diego-california\/\">What to do in April in San Diego California<\/a><\/b><\/li><li><b><a href=\"\/what-to-do-in-may-in-san-diego-california\/\">What to do in May in San Diego California<\/a><\/b><\/li><li><b><a href=\"\/what-to-do-in-june-in-san-diego-california\/\">What to do in June in San Diego California<\/a><\/b><\/li><li><b><a href=\"\/what-to-do-in-july-in-san-diego-california\/\">What to do in July in San Diego California<\/a><\/b><\/li><li><b><a href=\"\/what-to-do-in-august-in-san-diego-california\/\">What to do in August in San Diego California<\/a><\/b><\/li><li><b><a href=\"\/what-to-do-in-september-in-san-diego-california\/\">What to do in September in San Diego California<\/a><\/b><\/li><li><b><a href=\"\/what-to-do-in-october-in-san-diego-california\/\">What to do in October in San Diego California<\/a><\/b><\/li><li><b><a href=\"\/what-to-do-in-november-in-san-diego-california\/\">What to do in November in San Diego California<\/a><\/b><\/li><li><b><a href=\"\/what-to-do-in-december-in-san-diego-california\/\">What to do in December in San Diego California<\/a><\/b><\/li><\/ul>\r\n        <!-- \/wp:list --><script type=\"text\/javascript\">\r\n           imgLightbox(\"img-lightbox-link\");\r\n         <\/script> ","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":15484,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","inline_featured_image":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","pgc_sgb_lightbox_settings":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[54],"tags":[],"acf":[],"taxonomy_info":{"category":[{"value":54,"label":"Monthly 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