The weather in September in Cozumel

It's hot in September in Cozumel with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 33°C. At night, you can expect temperatures between 24°C and 25°C.

Looking for sun? September isn’t a good month to be in Cozumel. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Cozumel, Mexico. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 39°C in 2019, Cozumel reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 27°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 28°C.

Rainfall amount

In September, there is an average of 149 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the East.

Daily weather in September for Cozumel

Click on any day in September to get detailed info about the usual weather on that day in Cozumel. Check out the historical temperatures and precipitation over the past 10 years on this day.

1

32° / 25°

2

32° / 25°

3

32° / 25°

4

32° / 24°

5

32° / 25°

6

32° / 25°

7

32° / 24°

8

32° / 24°

9

32° / 24°

10

32° / 24°

11

31° / 24°

12

32° / 24°

13

32° / 24°

14

32° / 25°

15

32° / 25°

16

33° / 25°

17

33° / 25°

18

32° / 25°

19

32° / 25°

20

32° / 25°

21

32° / 24°

22

31° / 24°

23

31° / 24°

24

32° / 24°

25

31° / 24°

26

31° / 24°

27

32° / 25°

28

32° / 25°

29

32° / 24°

30

32° / 25°

Start of September

The month of September starts in Cozumel with hot temps, averaging around 32°C during the day and nights around 25°C.

Mid September

By mid-September, daytime temps rise to around 33°C, with nights around 25°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of September

By the end of September, the average daytime temperature in Cozumel is around 32°C, while nighttime temps are about 25°C. There’s a significant chance of many days with precipitation.

Find affordable vacations to Cozumel

UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

The hurricane season in Cozumel runs from June to November.

Check out the climate of Cozumel for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Cozumel, Mexico. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Cozumel

Temperature in September in Cozumel over the years

Precipitation charts

These charts show the average amount of precipitation in September in Cozumel, Mexico. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Cozumel

Total precipitation in September in Cozumel over the years

Daily UV index in September in Cozumel

This chart shows the average daily UV index in September in Cozumel, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

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Average weather in Cozumel by month

Click on a month below to see detailed weather info for Cozumel. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.