Click on a day for an hourly weather forecast
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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 30° / 27° | 6 | 25 | 0 | 132 mm | Good | Zanzibar in January |
| February | 30° / 27° | 5 | 23 | 0 | 87 mm | Good | Zanzibar in February |
| March | 31° / 27° | 13 | 18 | 0 | 250 mm | Ok | Zanzibar in March |
| April | 29° / 26° | 20 | 11 | 0 | 588 mm | Ok | Zanzibar in April |
| May | 28° / 25° | 14 | 17 | 0 | 418 mm | Good | Zanzibar in May |
| June | 28° / 24° | 4 | 26 | 0 | 105 mm | Perfect | Zanzibar in June |
| July | 27° / 24° | 3 | 28 | 0 | 87 mm | Perfect | Zanzibar in July |
| August | 27° / 24° | 4 | 27 | 0 | 80 mm | Perfect | Zanzibar in August |
| September | 27° / 24° | 3 | 27 | 0 | 74 mm | Perfect | Zanzibar in September |
| October | 28° / 25° | 7 | 24 | 0 | 140 mm | Good | Zanzibar in October |
| November | 29° / 26° | 10 | 20 | 0 | 216 mm | Ok | Zanzibar in November |
| December | 30° / 27° | 12 | 19 | 0 | 218 mm | Ok | Zanzibar in December |