The weather in Nosy Be in September is hot. The average temperatures are between 20°C and 25°C.
You can expect a few rainy days in Nosy Be during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Nosy Be in September 2025.
If you’re planning to visit Nosy Be in the near future, we highly recommend that you review the 14 day weather forecast for Nosy Be before you arrive.
Temperatures
25° / 20°
Rainy Days
1
Snowy Days
0
Dry Days
29
Rainfall
57
mm
Sun Hours
10.5
Hrs
