Cuyamel Weather in September
What's the weather like in Cuyamel (Cortés) in September 2025?
The climate in Cuyamel during September can be summarized as very hot, humid and very wet.
September is in the fall / autumn in Cuyamel and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 32.6°C 90.7°F |
|---|---|
| Nightly temperature | 24°C 75.2°F |
| Average temperature | 28.3°C 82.9°F |
| Daily sunshine | 7.1 hrs |
| Avg rainfall | 236 mm 9.3 ins |
| Rainy days | 18 days |
| Sea temperature | 29.6°C 85.3°F |
| Humidity | 80% |
| Windspeed | 18kph 11 mph |
On average September is the 5th wettest month of the year in Cuyamel with around 236mm 9.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
September temperatures in Cuyamel
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cuyamel in September 2025.
Other monthly averages
Best places to visit in September
Cuyamel weather stats
| Hottest month: | May | 33.3°C 91.9°F |
|---|---|---|
| Driest month: | April | 87mm 3.4ins |
| Sunniest month: | May | 8.8hrs |
| Coldest month: | January | 28.1°C 82.6°F |
| Wettest month: | October | 330mm 13ins |
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