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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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 26° | 20 | 11 | 0 | 909 mm | Ok | Fianarantsoa in January |
| February | 29° / 26° | 16 | 12 | 0 | 626 mm | Ok | Fianarantsoa in February |
| March | 29° / 26° | 16 | 15 | 0 | 564 mm | Ok | Fianarantsoa in March |
| April | 29° / 25° | 10 | 20 | 0 | 240 mm | Ok | Fianarantsoa in April |
| May | 28° / 24° | 3 | 28 | 0 | 116 mm | Perfect | Fianarantsoa in May |
| June | 27° / 23° | 1 | 29 | 0 | 74 mm | Perfect | Fianarantsoa in June |
| July | 26° / 22° | 1 | 30 | 0 | 55 mm | Perfect | Fianarantsoa in July |
| August | 26° / 22° | 1 | 30 | 0 | 67 mm | Perfect | Fianarantsoa in August |
| September | 27° / 23° | 0 | 30 | 0 | 52 mm | Perfect | Fianarantsoa in September |
| October | 28° / 24° | 2 | 29 | 0 | 89 mm | Perfect | Fianarantsoa in October |
| November | 28° / 25° | 9 | 21 | 0 | 255 mm | Good | Fianarantsoa in November |
| December | 29° / 26° | 15 | 16 | 0 | 435 mm | Ok | Fianarantsoa in December |