Bissau Weather in September

What's the weather like in Bissau (Bissau Autonomous Region) in September 2024?

The climate in Bissau during September can be summarized as hot, humid and very wet.

September is in the fall / autumn in Bissau and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 23°C (73°F) is normal.

Bissau weather averages (imperial / metric)
Daytime temperature 30.5°C 86.9°F
Nightly temperature 22.9°C 73.2°F
Average temperature 26.7°C 80.1°F
Daily sunshine 6.4 hrs
Avg rainfall 389 mm 15.3 ins
Rainy days 19 days
Sea temperature 28.1°C 82.6°F
Humidity 85%
Windspeed 4.7kph 3 mph

On average September is the 3rd wettest month of the year in Bissau with around 389mm 15.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.4 hours of sunshine per day.

September temperatures in Bissau

Bissau average temperature in September

September rainfall

Bissau average rain in September

September hourly sunshine

Bissau average rain in September

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.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Bissau weather stats

Bissau weather statistics
Hottest month: May 34.3°C 93.7°F
Driest month: April 0mm 0ins
Sunniest month: March 9.2hrs
Coldest month: January 32.5°C 90.5°F
Wettest month: August 544mm 21.4ins
Map showing location of Bissau (11.86357, -15.59767) Bissau map pin © Google

Locations nearby