The weather in Fianarantsoa in September is very hot. The average temperatures are between 23°C and 27°C, drinking water regularly is advisable.
As it is almost never rain during September in Fianarantsoa the weather is perfect for hanging out outside and exploring all that Fianarantsoa has to offer.
Our weather forecast can give you a great sense of what weather to expect in Fianarantsoa in September 2025.
If you’re planning to visit Fianarantsoa in the near future, we highly recommend that you review the 14 day weather forecast for Fianarantsoa before you arrive.
Temperatures
27° / 23°
Rainy Days
0
Snowy Days
0
Dry Days
30
Rainfall
52
mm
Sun Hours
11.8
Hrs