El Cacao Weather in September
What's the weather like in El Cacao (San Cristóbal) in September 2025?
The climate in El Cacao during September can be summarized as hot, humid and wet.
September is in the fall / autumn in El Cacao and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 31°C (87°F), whilst at night 17°C (63°F) is normal.
| Daytime temperature | 30.5°C 86.9°F |
|---|---|
| Nightly temperature | 17.3°C 63.1°F |
| Average temperature | 23.9°C 75°F |
| Daily sunshine | 7.7 hrs |
| Avg rainfall | 187 mm 7.4 ins |
| Rainy days | 15 days |
| Sea temperature | 29°C 84.2°F |
| Humidity | 81% |
| Windspeed | 10.4kph 7 mph |
On average September is the 3rd wettest month of the year in El Cacao with around 187mm 7.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
September temperatures in El Cacao
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 El Cacao in September 2025.
Other monthly averages
Best places to visit in September
El Cacao weather stats
| Hottest month: | August | 30.1°C 86.2°F |
|---|---|---|
| Driest month: | March | 55mm 2.2ins |
| Sunniest month: | February | 8.3hrs |
| Coldest month: | January | 27.1°C 80.8°F |
| Wettest month: | May | 243mm 9.6ins |
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