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The weather in Mahajanga in September is hot. The average temperatures are between 21°C and 31°C.
There shouldn't be any rainy days in in Mahajanga during September. Having said that, the days are very hot in September so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Mahajanga in September 2025.
If you’re planning to visit Mahajanga in the near future, we highly recommend that you review the 14 day weather forecast for Mahajanga before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 30° / 25° | 16 | 15 | 0 | 556 mm | Ok | Mahajanga in January |
| February | 30° / 25° | 11 | 17 | 0 | 357 mm | Ok | Mahajanga in February |
| March | 30° / 25° | 10 | 21 | 0 | 313 mm | Ok | Mahajanga in March |
| April | 31° / 24° | 1 | 29 | 0 | 82 mm | Good | Mahajanga in April |
| May | 30° / 22° | 0 | 31 | 0 | 16 mm | Good | Mahajanga in May |
| June | 29° / 21° | 0 | 30 | 0 | 8 mm | Good | Mahajanga in June |
| July | 29° / 20° | 0 | 31 | 0 | 6 mm | Good | Mahajanga in July |
| August | 30° / 20° | 0 | 31 | 0 | 7 mm | Good | Mahajanga in August |
| September | 31° / 21° | 0 | 30 | 0 | 6 mm | Good | Mahajanga in September |
| October | 32° / 24° | 0 | 31 | 0 | 43 mm | Good | Mahajanga in October |
| November | 32° / 25° | 3 | 27 | 0 | 165 mm | Good | Mahajanga in November |
| December | 31° / 26° | 8 | 23 | 0 | 259 mm | Ok | Mahajanga in December |