September Weather in Manzanillo, Mexico - 2025

Manzanillo is a resort and Pacific Ocean port city in the state of Colima, Mexico. There are two bays here; The Bahia de Santiago and Bahia de Manzanillo. Its proximity to the Pacific Ocean makes it home to some really delightful beaches like the Playa La Audiencua beach that is known for its calm surf and watersports. There are shipwrecks, numerous coral reefs, and other dive sites located in the waters off the coast. Also, an abundance of marine life creates a rich diverse & relaxing scene for snowbirds that choose to experience Mexico in Manzanillo.

It is a bustling industrious seaport and thriving tourist location with a couple of attractions and activities to engage in. Its dual identity as a commercial and tourist hub allows it to be Mexico's busiest commercial seaport with trade routes as old as 1531. It is a splendid destination for snowbirds looking to enjoy beaches and colonial architecture.

September weather in Manzanillo Mexico

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

Generally, September in Manzanillo will be quite hot. Historical data shows that you can expect an average temperature of around 89°F / 32°C. But due to the extreme humidity it can feel extremely uncomfortable. During the night, it will cool down to around 75°F / 24°C. Many will prefer a location with air conditioning due to the night temperature, and the high humidity level.

Manzanillo has its share of rainy days in September. You can expect around 13 rainy days, with on average 1.2 inches / 30 mm of rain during the whole month.

September weather in Manzanillo Mexico in more detail

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

- What will the temperature be in Manzanillo in September

Generally, you can expect in September an average temperature of 89°F / 32°C during the day and an average of 75°F / 24°C during the night. In September, during the warmest part of the afternoon, the temperature can often get as high as 95°F / 35°C, and at the end of the night, it can get as low as 69°F / 21°C.

When looking at the whole year, January, September and December are the coldest months, with an average temperature of around 89°F / 32°C. May is the hottest month, with an average temperature of around 95°F / 35°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 91°F / 33°C. And almost equal to October, which sees an average maximum temperature of around 91°F / 33°C.

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, April, May and June are the hottest months, with a temperature of around 98°F / 37°C. January, February, September, October and December are the coldest months, with a temperature of around 95°F / 35°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 96°F / 36°C. And equal to October, which sees an average maximum temperature of around 95°F / 35°C.

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

- Can you expect rain in September in Manzanillo?

Generally, you can expect about 13 rain days in September, with on average 1.2 inches / 30 mm of rain.

When looking at the whole year, April and May are the driest months, with an average rainfall of around 0 inches / 0 mm. September is the wettest month, with an average rainfall of around 1.2 inches / 30 mmmm. When comparing September with the month before and after, this is slightly more than August, which sees around 1.1 inches / 27 mm of rain. And a lot more than October, which sees around 0.7 inches / 17 mm of rain

If we look at the number of days with rain, April is the month with the least amount of rain days with around 0 days. September is the month with the most rain days with around 13 days. When comparing September with the month before and after, this is almost equal to August, which sees an average of between 12 and 13 days of rain. And more than October, which sees an average of between 5 and 6 days of rain

- What will the water temperature be in Manzanillo for September

You can expect in September, the water temperature for Manzanillo to be between 87°F / 31°C and 84°F / 29°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.

October has the highest water temperature, with around 87°F / 31°C. March has the lowest water temperature, with an average of between 78°F / 26°C and 80°F / 27°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 an average of between 86°F / 30°C and 87°F / 31°C. And almost equal to the water temperature from October, that is around 87°F / 31°C.

- Can you expect in September a lot of sunny days in Manzanillo

Generally, you can expect around 5 sunny days in September and around 21 partly sunny days. The remaining days will be cloudy.

When looking at the whole year, November is the month with the highest number of sunny days, with around 23 sunny days. August is the month with the lowest number of sunny days, with around 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 5 sunny days. And less than October, with an average of between 13 and 14 sunny days

We have looked at the sunny days in Manzanillo. Let's also look at the cloudy or overcast days. July is the month with the highest number of cloudy days, with an average of between 4 and 5 cloudy days. May is the month with the lowest number of cloudy days, with an average of between 0 and 1 cloudy days. When comparing September with the number of cloudy days in the month before and after, it is almost equal to August, with an average of between 4 and 5 cloudy days. And almost equal to October, with around 3 cloudy days

- Will it be comfortable in September in Manzanillo?

Generally, September in Manzanillo will be extremely humid, and can feel extremely uncomfortable.

We use the humidity and temperature in Manzanillo 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, February has the lowest humidity, with a Wintersun Expert comfort level of "comfortable" (not very humid). July and August And have the highest humidity, with a Wintersun Expert comfort level of "extremely uncomfortable" (extremely humid). When comparing September with the month before and after, this is almost equal to August, which has a Wintersun Comfort level of "extremely uncomfortable" (extremely humid). And slightly more than October, which has a Wintersun Comfort level of "slightly uncomfortable" (moderately humid)

What to do in Manzanillo Mexico in September

Looking to feed your eyes and curiosity in Manzanillo, there are a bunch of things snowbirds will enjoy seeing across the city. However, in no particular order, here are some suggestions for what snowbirds could see while in Manzanillo.

• Las Hadas Golf Course: Snowbirds can visit the Las Hadas golf course in the Peninsula de Santiago. It has splendid beaches and top quality restaurants to enjoy.
• Zocalo: This is Manzanillo's stunning historic square.  There's a large blue sailfish monument here. It is also home to some amazing views of the bay and some of the town's best restaurants.
• Playa San Pedrito: This is the closest beach to Manzanillo's town center. Here, snowbirds can swim in its calm, warm waters, relax under the shade of palm trees, or enjoy delicious seafood cuisines.
• Playa La Audiencia: Swimming, kayaking, diving to feed octopuses and eels, are some of the interesting things at this beautiful Manzanillo beach.

Is it humid in Manzanillo Mexico in September?

A lot of people ask interested in the humidity or relative humidity for Manzanillo Mexico 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 Manzanillo, 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 Manzanillo 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 Manzanillo will be extremely humid, and can feel extremely uncomfortable.

February is the month with the most comfort. It will not be very humid, and will feel comfortable. July and August are the most uncomfortable months. 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

Is September a good time to go to Manzanillo Mexico?

Trying to answer the question of whether September is a good time to go to Manzanillo 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 Manzanillo 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 89°F / 32°C. But due to the extreme humidity it can feel extremely uncomfortable. During the night, it will be around 75°F / 24°C.

As the number of overcast days is not high, you can enjoy the sun with around 5 sunny days and 21 partly sunny days.

The last aspect we will look at is rain. You can expect around 13 rainy days, with on average 1.2 inches / 30 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 Manzanillo Mexico 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 Manzanillo Mexico in September?

In Manzanillo, it does not rain all day in September. You can expect around 13 rainy days, with on average 1.2 inches / 30 mm of rain during the month.

Another way of looking at the rain is the number of sunny days. For Manzanillo Mexico, there are, on average 5 sunny days and 21 partly sunny days in September. That clearly shows that it is not raining all the time.

Is September the rainiest month in Manzanillo Mexico?

September is the month with the most rainy days, and it is the month with the most rain.

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

September is the month with the the highest number of rainiest days. On average, you can expect 13 days with rain. April is the month with the lowest number of rainy days, with aproximately 0 days.

September is the month with the most rain. This is not equal as the one with the most rainy days. On average, you can expect 1.2 inches / 30 mm of rain. April 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.

Is September the most sunniest month in Manzanillo Mexico?

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 Manzanillo, 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.

November is the month with the highest number of sunny days. On average, you can expect 5 sunny days, and 21 partly suny days. August 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 September 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. May is the month with the lowest number of overcast days. While July is the month with the highest number of overcast days.

More information about Manzanillo Mexico

Weather in Manzanillo Mexico in other months

• Weather in Manzanillo Mexico for January
• Weather in Manzanillo Mexico for February
• Weather in Manzanillo Mexico for March
• Weather in Manzanillo Mexico for April
• Weather in Manzanillo Mexico for May
• Weather in Manzanillo Mexico for June
• Weather in Manzanillo Mexico for July
• Weather in Manzanillo Mexico for August
• Weather in Manzanillo Mexico for October
• Weather in Manzanillo Mexico for November
• Weather in Manzanillo Mexico for December

What to do in Manzanillo Mexico for each month

• What to do in January in Manzanillo Mexico
• What to do in February in Manzanillo Mexico
• What to do in March in Manzanillo Mexico
• What to do in April in Manzanillo Mexico
• What to do in May in Manzanillo Mexico
• What to do in June in Manzanillo Mexico
• What to do in July in Manzanillo Mexico
• What to do in August in Manzanillo Mexico
• What to do in September in Manzanillo Mexico
• What to do in October in Manzanillo Mexico
• What to do in November in Manzanillo Mexico
• What to do in December in Manzanillo Mexico