The climate in Fomento during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Fomento and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 22°C (72°F) is normal.
Daytime temperature | 31.5°C 88.6°F |
---|---|
Nightly temperature | 22°C 71.5°F |
Average temperature | 26.7°C 80.1°F |
Daily sunshine | 7 hrs |
Avg rainfall | 231 mm 9.1 ins |
Rainy days | 15 days |
Sea temperature | 29.7°C 85.5°F |
Humidity | 83% |
Windspeed | 10.4kph 7 mph |
On average September is the wettest month of the year in Fomento with around 231mm 9.1 inches of rain making it a very 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 hours of sunshine per day.
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 Fomento in September 2025.
Best places to visit in September
Hottest month: | July | 31.9°C 89.4°F |
---|---|---|
Driest month: | December | 30mm 1.2ins |
Sunniest month: | April | 8.7hrs |
Coldest month: | January | 26.9°C 80.4°F |
Wettest month: | September | 231mm 9.1ins |