The weather in Zanzibar in September is very hot. The average temperatures are between 24°C and 27°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Zanzibar during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Zanzibar in September 2025.
If you’re planning to visit Zanzibar in the near future, we highly recommend that you review the 14 day weather forecast for Zanzibar before you arrive.
Temperatures
27° / 24°
Rainy Days
3
Snowy Days
0
Dry Days
27
Rainfall
74
mm
Sun Hours
10.8
Hrs