The climate in Villa de Costa Rica during September can be summarized as very hot, humid and wet.
September is in the fall / autumn in Villa de Costa Rica and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 35°C (95°F), whilst at night 24°C (76°F) is normal.
Daytime temperature | 35°C 95°F |
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Nightly temperature | 24.4°C 75.9°F |
Average temperature | 29.7°C 85.5°F |
Daily sunshine | 7 hrs |
Avg rainfall | 124 mm 4.9 ins |
Rainy days | 10 days |
Sea temperature | 30.2°C 86.4°F |
Humidity | 77% |
Windspeed | 7.9kph 5 mph |
On average September is the 3rd wettest month of the year in Villa de Costa Rica with around 124mm 4.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 10 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 Villa de Costa Rica in September 2025.
Best places to visit in September
Hottest month: | July | 35.7°C 96.3°F |
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Driest month: | May | 1mm 0ins |
Sunniest month: | November | 7.8hrs |
Coldest month: | January | 28°C 82.4°F |
Wettest month: | August | 184mm 7.2ins |