The climate in Bonifacio during September can be summarized as warm, humid and reasonably dry.
September is in the fall / autumn in Bonifacio and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (76°F), whilst at night 17°C (62°F) is normal.
Daytime temperature | 24.6°C 76.2°F |
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Nightly temperature | 16.9°C 62.3°F |
Average temperature | 20.7°C 69.3°F |
Daily sunshine | 9.1 hrs |
Avg rainfall | 38 mm 1.5 ins |
Rainy days | 7 days |
Sea temperature | 23.3°C 74°F |
Humidity | 72% |
Windspeed | 11.5kph 7 mph |
On average September is the 5th driest month of the year in Bonifacio with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.1 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 Bonifacio in September 2025.
Best places to visit in September
Hottest month: | August | 27.1°C 80.8°F |
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Driest month: | July | 8mm 0.3ins |
Sunniest month: | July | 12.3hrs |
Coldest month: | January | 12.8°C 55°F |
Wettest month: | November | 85mm 3.3ins |