Weather in Cancun in september 2025

The weather in Cancun in september comes from statistical datas on the last years. You can view the weather statistics the entire 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

Clear/Sunny

23%

Moderate rain at times

22%

Heavy rain

7%

Weather at 12pm
88°F

Moderate rain at times

28%

Heavy rain

20%

Partly Cloudy

14%

Weather at 6pm
85°F

Moderate rain at times

27%

Heavy rain

19%

Partly Cloudy

16%

Weather at 3am
81°F

Partly Cloudy

36%

Moderate rain at times

30%

Clear/Sunny

26%

Heavy rain

6%



Evolution of daily average temperature and precipitation in Cancun in september

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Cancun in september.


The climate of Cancun in september is tolerable

Aside from being the hottest month, September is also the wettest. Temperatures clearly exceed 33° C during the hottest hours of the day, while humidity greatly affects the quality of climate throughout September in Cancun. Thus, it is not uncommon for the mornings to become rainy ye twarm. The rest of the day however allows to spend pleasant moments.

Cancún at the Beginning of September

The first ten days of September are dominated by heat, with temperatures ranging between 29° C and 33° C. In the morning, the weather is characterized by alternating cloudy skies and moderate rains. Expect to have rainy days every other day. However, evenings are favored by the removal of humidity, when the rains gradually fade.

Cancún in the Middle of September

Despite the slight drop in temperature, the weather throughout September in Cancún continues to deteriorate. Rainfall occurs both during the day and during the night. Such still leaves a moment of thinning clouds to make the most of the day. However, this does not mean that midday is completely dry and therefore prepare to face rainy episodes at any time.

Cancún at the End of September

During the last ten days of September, the weather in Cancun throughout September is not ready to improve just yet. In addition to the already warm atmosphere, the days are dominated by the succession of light showers with very intense rains. The only moments of beautiful sun are summarized by the rare cloud thinnings.



Cancun: another month?

If you can push the dates of your trip to Cancun forward, the month of october has a better weather forecast than september. more information

September: another location in Mexico?

If you want to go to Mexico in september, there are destinations with better weather than Cancun:

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.

more information about Mexico's weather in september


Seasonal average climate and temperature of Cancun in september

Check below seasonal norms These datas are set from the weather statements of the last years of september.

September
Outside temperature
Average temperature 85°F
Highest temperature 88°F
Lowest temperature 83°F
Highest record temperature 94°F
(2021)
Lowest record temperature 76°F
(2013)
Number of days at +86°F 27 day(s)
(90%)
Number of days at +65°F 30 day(s)
(100%)
Sea temperature
Average sea temperature 85°F
Lowest sea temperature 84°F
Highest sea temperature 87°F
Wind
Wind speed 17km/h
Wind temperature 83°F
Precipitation (rainfall)
Rainfall 8.4in
Number of days with rainfall 15 day(s)
(49%)
Record daily rainfall 2in
(2018)
Other climate data
Humidity 84%
Visibility 9.34km
Cloud cover 30%
UV index 7
Daily sunshine hours 11
Sunrise and sunset
Time of sunrise 06:34
Time of sunset 18:50
Length of day 12:16
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 Cancun in september 2024:

01-09-2024
Patchy rain nearby
79°F to 85°F
02-09-2024
Patchy rain nearby
79°F to 86°F
03-09-2024
Patchy light rain in area with thunder
81°F to 86°F
04-09-2024
Patchy rain nearby
83°F to 88°F
05-09-2024
Clear/Sunny
83°F to 90°F
06-09-2024
Patchy light rain in area with thunder
83°F to 88°F
07-09-2024
Light rain shower
81°F to 86°F
08-09-2024
Patchy rain nearby
81°F to 85°F
09-09-2024
Patchy rain nearby
83°F to 88°F
10-09-2024
Patchy rain nearby
81°F to 88°F
11-09-2024
Patchy rain nearby
81°F to 88°F
12-09-2024
Clear/Sunny
81°F to 88°F
13-09-2024
Patchy rain nearby
81°F to 88°F
14-09-2024
Patchy rain nearby
81°F to 88°F
15-09-2024
Clear/Sunny
81°F to 90°F
16-09-2024
Patchy rain nearby
83°F to 88°F
17-09-2024
Light rain shower
83°F to 86°F
18-09-2024
Heavy rain at times
83°F to 88°F
19-09-2024
Partly Cloudy
83°F to 90°F
20-09-2024
Thundery outbreaks in nearby
83°F to 86°F
21-09-2024
Moderate or heavy rain shower
81°F to 85°F
22-09-2024
Clear/Sunny
83°F to 92°F
23-09-2024
Partly Cloudy
83°F to 90°F
24-09-2024
Light rain shower
83°F to 85°F
25-09-2024
Heavy rain
77°F to 81°F
26-09-2024
Partly Cloudy
81°F to 90°F
27-09-2024
Thundery outbreaks in nearby
79°F to 88°F
28-09-2024
Clear/Sunny
83°F to 92°F
29-09-2024
Partly Cloudy
83°F to 88°F
30-09-2024
Light rain shower
81°F to 85°F

Map: other cities in Mexico in september

Cities near Cancun:

Isla Mujeres in septembertolerable weather
Isla Blanca in septembertolerable weather
Puerto Morelos in septembertolerable weather
Isla Contoy in septembertolerable weather
Chiquilá in septembertolerable weather
Holbox in septembertolerable weather
Playa del Carmen in septembertolerable weather
Riviera Maya in septembertolerable weather
Cozumel in septembertolerable weather
Puerto Aventuras in septembertolerable weather
El Cuyo in septembergood weather
Akumal in septembertolerable weather
Mexico in september: See full list of cities

Click over cities on the map for information about the weather in september.

Legend: Cancun perfect weather good tolerable bad very bad


Weather data for Cancun in september:

Weather data for Cancun for september are derived from an average of the weather forecast since 2009 in Cancun. There is a margin of error and these forecasts are to be considered as general information only. The weather in Cancun 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 Cancun.


Weather in august in Cancun
Weather in october in Cancun
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