September Weather in Rotonda West, Florida - 2025

Rotonda West is an independent community located in West Englewood Charlotte County, Florida. The city sits near the Gulf of Mexico, and the layout mimics a World War II airfield. There are of 30 Miles (48 km) of ponds, lakes, and canals making their way into the city and offering various water activities to the visitors. Rotonda West is a perfect location for snowbirds as it has warm weather and has many places to enjoy.

Weather September 2025 in Rotonda West Florida:

Generally, September in Rotonda West will be quite hot, with an average temperature of around 87°F / 31°C. But due to the moderate humidity it can feel slightly uncomfortable for some. You can expect around 19 rainy days, with on average 2.6 inches / 67 mm of rain during the month of September.
Very uncomfortable (very high humidity) with high temperatures
Timothy McDougall, Link

September weather in Rotonda West Florida

To get a good overview of the type of weather you can expect in September in Rotonda West, we will look at the day and night temperature, minimum and maximum water temperature, and if September is comfortable or humid

Generally, September in Rotonda West will be quite hot. Historical data shows that you can expect an average temperature of around 87°F / 31°C. But due to the moderate humidity it can feel slightly uncomfortable for some. During the night, it will cool down to around 71°F / 22°C. Many will prefer a location with air conditioning due to the high humidity level.

Rotonda West has its share of rainy days in September. You can expect around 19 rainy days, with on average 2.6 inches / 67 mm of rain during the whole month.

Average temperature
Average Sea temperature
Wintersun Comfort grade and huricane risk

The forecast for September 2025 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.

September weather in Rotonda West Florida in more detail

To get a better feeling for the type of weather, you can expect in September in Rotonda West, we will look at the temperature, rain, wind, humidity, water temperature, and sun and clouds

- What will the temperature be in Rotonda West in September

Generally, you can expect in September an average temperature of 87°F / 31°C during the day and an average of 71°F / 22°C during the night. In September, during the warmest part of the afternoon, the temperature can often get as high as 91°F / 33°C, and at the end of the night, it can get as low as 66°F / 19°C.

When looking at the whole year, January is the coldest month, with an average temperature of around 73°F / 23°C. May, June, July and August are the hottest months, with an average temperature of around 89°F / 32°C. 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°F / 32°C. And almost equal to October, which sees an average maximum temperature of around 84°F / 29°C.

Day and night temperature variation for Rotonda West during the year.
Day and night temperature variation for Rotonda West during the year.

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, June is the hottest month, with a temperature of around 96°F / 36°C. January, February and December are the coldest months, with a temperature of around 84°F / 29°C. 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 95°F / 35°C. And almost equal to October, which sees an average maximum temperature of around 89°F / 32°C.

In the following graph, you can see how many cold and hot days you can expect in Rotonda West each month:

Day and night temperature variation for Rotonda West during the year.
Day and night temperature variation for Rotonda West during the year.

- Can you expect rain in September in Rotonda West?

Generally, you can expect about 19 rain days in September, with on average 2.6 inches / 67 mm of rain.

When looking at the whole year, November is the dryest month, with an average rainfall of around 0.8 inches / 20 mmmm. June is the wettest month, with an average rainfall of around 2.8 inches / 72 mmmm. When comparing September with the month before and after, this is more than August, which sees around 2.4 inches / 60 mm of rain. And a lot more than October, which sees around 1.7 inches / 42 mm of rain

Rain days for Rotonda West during the year.
Rain days for Rotonda West during the year.

If we look at the number of days with rain, November is the month with the least amount of rain days with an average of between 5 and 6 days. August is the month with the most rain days with an average of between 21 and 22 days. When comparing September with the month before and after, this is slightly less than August, which sees an average of between 21 and 22 days of rain. And more than October, which sees around 10 days of rain

- What will the water temperature be in Rotonda West for September

You can expect in September, the water temperature for Rotonda West to be between 87°F / 31°C and 82°F / 28°C.

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.

August has the highest water temperature, with around 89°F / 32°C. January has the lowest water temperature, with an average of between 69°F / 21°C and 71°F / 22°C. 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 89°F / 32°C. And almost equal to the water temperature from October, that is an average of between 84°F / 29°C and 86°F / 30°C.

Water temperature for Rotonda West during the year.
Water temperature for Rotonda West during the year.

- Can you expect in September a lot of sunny days in Rotonda West

Generally, you can expect around 8 sunny days in September and around 17 partly sunny days. The remaining days will be cloudy.

When looking at the whole year, October and November And are the months with the higest number of sunny days, with around 12 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 an average of between 6 and 7 sunny days. And slightly less than October, with around 12 sunny days

The number of sunny, partly sunny, and cloudy days for Rotonda West
The number of sunny, partly sunny, and cloudy days for Rotonda West

We have looked at the sunny days in Rotonda West. Let's also look at the cloudy or overcast days. June is the month with the highest number of cloudy days, with an average of between 6 and 7 cloudy days. April is the month with the lowest number of cloudy days, with an average of between 2 and 3 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 4 cloudy days. And almost equal to October, with around 4 cloudy days

- Will it be comfortable in September in Rotonda West?

Generally, September in Rotonda West will be moderately humid, and can feel slightly uncomfortable for some.

We use the humidity and temperature in Rotonda West 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.

When looking at the whole year, January has the lowest humidity, with a Wintersun Expert comfort level of "very comfortable" (low humidty). July has the highest humidity, with a Wintersun Expert comfort level of "very uncomfortable" (very high humidity). When comparing September with the month before and after, this is slightly less than August, which has a Wintersun Comfort level of "very uncomfortable" (very high humidity). And slightly more than October, which has a Wintersun Comfort level of "comfortable" (not very humid)

Wintersun Expert Humidity / Comfort level for Rotonda West
Wintersun Expert Humidity / Comfort level for Rotonda West

What to do in Rotonda West Florida in September

Rotonda West is an important tourist location. There are many places that are worth visiting in the area:

  • Don Pedro Island State Park: There is a thin strip of beach on the island and a mangrove swamp. You can pay a visit to the beach for sunbathing, swimming and other water activities. The Park also offers hiking, fishing, kayak launch, and picnic pavilions. The Island is only accessible by boat or ferry.
  • Ann & Chuck Dever Regional Recreation Center: A recreation center that offers both indoor and outdoor activities. The center has a gymnasium and courts for indoor games as well as outdoor games. The Center also offers swimming pools, parks, disc golf, skate-park and much more. Along with this, there are fitness classes too. It is a perfect place to plan a picnic and parties, with the offered facilities.
  • Lemon Bay: You can visit the Bay if you want to participate in water sports or walk to the Bay for amazing views. The Bay also has winding, hiking trails, nature gardens, and an aquatic preserve as well as an abundance of wildlife to witness.
  • Little Gasparilla Island: This majestic tropical island offers a beach, kayaking, and fishing to its visitors. It is also connected to the Don Pedro Island by a thin strip of beach. There are various facilities available like restrooms, water, taxi, restaurants, and more.
  • Myakka State Forest: The Forest is covered by beautiful pines and bicycle trails with beautiful views of the Myakka River. You can visit the forest for a canoe launch, hiking, and picnic as well as the other campsites in the forest. The forest is filled with wildlife where you can bless your eyes with a sight of the beautiful birds and the breathtaking views.

Is it humid in Rotonda West Florida in September?

A lot of people ask interested in the humidity or relative humidity for Rotonda West Florida 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 Rotonda West, or will high humidity make it uncomfortable.

To answer this question, we have to look at the dew point. Relative humidity can change a lot in Rotonda West 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.

Looking at the dew point, we can see that for the month of September, you can expect that Rotonda West will be moderately humid, and can feel slightly uncomfortable for some.

January is the month with the most comfort. It will have a low humidty, and will feel very comfortable. July is the most uncomfortable month. It will be extremely humid, and can feel extremely uncomfortable. In the graph, you can see that there is some difference between the most comfortable and most uncomfortable months

Humidity level for Rotonda West
Humidity level for Rotonda West

Is September a good time to go to Rotonda West Florida?

Trying to answer the question of whether September is a good time to go to Rotonda West 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.

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.

If we look at the average temperature for Rotonda West 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°F / 31°C. But due to the moderate humidity it can feel slightly uncomfortable for some. During the night, it will be around 71°F / 22°C.

The number of overcast days is more than 5, but you can still the sun with around 8 sunny days and 17 partly sunny days.

The last aspect we will look at is rain. You can expect around 19 rainy days, with on average 2.6 inches / 67 mm of rain during September. More then 5 days rain per month makes the chance higher you will see some rain during a shorter stay. But a day with rain does not mean a day you can not enjoy.

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 Rotonda West Florida 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.

Does it rain all day in Rotonda West Florida in September?

In Rotonda West, it does not rain all day in September. You can expect around 19 rainy days, with on average 2.6 inches / 67 mm of rain during the month.

Another way of looking at the rain is the number of sunny days. For Rotonda West Florida, there are, on average 8 sunny days and 17 partly sunny days in September. That clearly shows that it is not raining all the time.

Is September the rainiest month in Rotonda West Florida?

September is not the month with the most rainy days, and not the month with the most rain.

To answer what the rainiest month is in Rotonda West, we will both look at the month with the most rain, and the month with the highest number of rainy days.

August is the month with the the highest number of rainiest days. On average, you can expect 21 days with rain. November is the month with the lowest number of rainy days, with aproximately 5 days.

August is the month with the most rain. This is not equal as the one with the most rainy days. On average, you can expect 2.8 inches / 72 mm of rain. November 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 0.8 inches / 20 mm of rain.

Is September the most sunniest month in Rotonda West Florida?

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.

To answer what the sunniest month is in Rotonda West, 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.

October and November are the months with the highest number of sunny days. On average, you can expect 8 sunny days, and 17 partly suny days. June is the month with the lowest number of sunny days.

May is the month with the highest number of sunny days and partly sunny days combined. While June is the month with the lowest number of sunny days and partly sunny days combined.

The last thing we will look at is the number of overcast days. April is the month with the lowest number of overcast days. While June is the month with the highest number of overcast days.

More information about Rotonda West Florida

Weather in Rotonda West Florida in other months

What to do in Rotonda West Florida for each month

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