Click on a day for an hourly weather forecast
The temperatures in Antsiranana in September are comfortable with low of 11°C and and high up to 23°C.
There is little to no rain in Antsiranana during September, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Our weather forecast can give you a great sense of what weather to expect in Antsiranana in September 2025.
If you’re planning to visit Antsiranana in the near future, we highly recommend that you review the 14 day weather forecast for Antsiranana before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 24° / 16° | 15 | 16 | 0 | 454 mm | Good | Antsiranana in January |
| February | 24° / 16° | 14 | 14 | 0 | 397 mm | Good | Antsiranana in February |
| March | 24° / 16° | 11 | 20 | 0 | 263 mm | Good | Antsiranana in March |
| April | 23° / 14° | 2 | 28 | 0 | 52 mm | Perfect | Antsiranana in April |
| May | 21° / 12° | 0 | 31 | 0 | 13 mm | Good | Antsiranana in May |
| June | 19° / 10° | 0 | 30 | 0 | 12 mm | Good | Antsiranana in June |
| July | 18° / 10° | 0 | 31 | 0 | 12 mm | Good | Antsiranana in July |
| August | 20° / 10° | 0 | 31 | 0 | 8 mm | Good | Antsiranana in August |
| September | 23° / 11° | 0 | 30 | 0 | 9 mm | Perfect | Antsiranana in September |
| October | 26° / 14° | 4 | 27 | 0 | 67 mm | Perfect | Antsiranana in October |
| November | 26° / 16° | 9 | 21 | 0 | 193 mm | Good | Antsiranana in November |
| December | 26° / 17° | 13 | 18 | 0 | 319 mm | Good | Antsiranana in December |