The climate in Bissau during September can be summarized as very hot and reasonably dry.
September is in the fall / autumn in Bissau and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a warm 35°C (95°F), whilst at night 24°C (76°F) is normal.
Daytime temperature | 34.9°C 94.7°F |
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Nightly temperature | 24.2°C 75.5°F |
Average temperature | 29.5°C 85.1°F |
Daily sunshine | 8.6 hrs |
Avg rainfall | 54 mm 2.1 ins |
Rainy days | 3 days |
Sea temperature | 25°C 77°F |
Humidity | 58% |
Windspeed | 7.2kph 5 mph |
On average September is the 3rd wettest month of the year in Bissau with around 54mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 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 Bissau in September 2024.
Best places to visit in September
Hottest month: | June | 40°C 104°F |
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Driest month: | November | 4mm 0.2ins |
Sunniest month: | November | 9.3hrs |
Coldest month: | January | 21.7°C 71.1°F |
Wettest month: | July | 134mm 5.3ins |