Cozumel in september: average Weather, Temperature and Climate
Weather in Cozumel in september 2025
The weather in Cozumel in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
83°F
Partly Cloudy
39% of time
26%
16%
15%
Weather at 12pm
86°F
Clear/Sunny
32% of time
31%
24%
14%
Weather at 6pm
85°F
Clear/Sunny
34% of time
31%
17%
16%
Weather at 3am
83°F
36%
27%
21%
13%
Evolution of daily average temperature and precipitation in Cozumel in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cozumel in september.
The climate of Cozumel in september is tolerable
The climate in september in Cozumel is wet (with 11.3in of precipitation over 16 days). The situation is deteriorating compared to the previous month since in august there is an average of 9.3in of rainfall over 13 days.
The climate is very hot around this city the month of september. The thermometer averaged maximum of 86°F. The seasonal minimum is 83°F. Thus, the mean temperature average in september in Cozumel is 85°F. Note that seasonal normals are in contrast with those observed in Cozumel in the month of september with a maximum record of 92°F in 2017 and a minimum record of 77°F in 2010. You can plan to have 86°F or more for all the month.
In september in Cozumel, the days on average last 12:15. Sunrise is at 06:35 and sets at 18:50.
With a correct weather, september is okay (but not good) to go in Cozumel.
September: another location in Mexico?
If you want to go to Mexico in september, there are destinations with better weather than Cozumel:
In september, Bahia Tortugas, Tijuana, Bahía de los Ángeles, El Rosario de Arriba, Laguna del Rey (Coahuila) and Ciudad Juárez have perfect weather.
Furthermore, Chihuahua, Los Cabos, Aguascalientes, Mérida, Querétaro and Yucatán have good weather.
Seasonal average climate and temperature of Cozumel in september
Check below seasonal norms These statistics are generated from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 86°F | ||||
| Lowest temperature | 83°F | ||||
| Highest record temperature | 92°F (2017) | ||||
| Lowest record temperature | 77°F (2010) | ||||
| Number of days at +86°F | 18 day(s) (60%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 85°F | ||||
| Lowest sea temperature | 83°F | ||||
| Highest sea temperature | 86°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 83°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 11.3in | ||||
| Number of days with rainfall | 16 day(s) (52%) | ||||
| Record daily rainfall | 3.4in (2018) | ||||
| Other climate data | |||||
| Humidity | 80% | ||||
| Visibility | 9.18km | ||||
| Cloud cover | 34% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:35 | ||||
| Time of sunset | 18:50 | ||||
| Length of day | 12:15 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Cozumel in september 2024:
77°F to 88°F
79°F to 86°F
79°F to 85°F
81°F to 90°F
81°F to 92°F
81°F to 90°F
79°F to 88°F
79°F to 83°F
81°F to 86°F
79°F to 88°F
79°F to 90°F
79°F to 90°F
79°F to 90°F
79°F to 90°F
79°F to 90°F
81°F to 90°F
85°F to 86°F
85°F to 86°F
85°F to 88°F
83°F to 86°F
83°F to 85°F
83°F to 86°F
83°F to 86°F
81°F to 83°F
77°F to 79°F
81°F to 88°F
81°F to 86°F
83°F to 86°F
83°F to 86°F
81°F to 83°F
Map: other cities in Mexico in september
Cities near Cozumel:
| Playa del Carmen in september | tolerable weather |
| Riviera Maya in september | tolerable weather |
| Puerto Aventuras in september | tolerable weather |
| Akumal in september | tolerable weather |
| Puerto Morelos in september | tolerable weather |
| Playa Paraiso (Quintana Roo) in september | tolerable weather |
| Tulum in september | tolerable weather |
| Cancun in september | tolerable weather |
| Isla Mujeres in september | tolerable weather |
| Reserva de la Biósfera Sian Ka'an (Quintana Roo) in september | tolerable weather |
| Isla Blanca in september | tolerable weather |
| Chiquilá in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Cozumel
perfect weather
good
tolerable
bad
very bad
Weather data for Cozumel in september:
Weather data for Cozumel for september are derived from an average of the weather forecast since 2009 in Cozumel. There is a margin of error and these forecasts are to be considered as general information only. The weather in Cozumel can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Cozumel.