Click on a day for an hourly weather forecast
The temperatures in Antananarivo in September are comfortable with low of 11°C and and high up to 23°C.
There is little to no rain in Antananarivo 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 Antananarivo in September 2025.
If you’re planning to visit Antananarivo in the near future, we highly recommend that you review the 14 day weather forecast for Antananarivo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 24° / 16° | 15 | 16 | 0 | 454 mm | Good | Antananarivo in January |
| February | 24° / 16° | 14 | 14 | 0 | 397 mm | Good | Antananarivo in February |
| March | 24° / 16° | 11 | 20 | 0 | 263 mm | Good | Antananarivo in March |
| April | 23° / 14° | 2 | 28 | 0 | 52 mm | Perfect | Antananarivo in April |
| May | 21° / 12° | 0 | 31 | 0 | 13 mm | Good | Antananarivo in May |
| June | 19° / 10° | 0 | 30 | 0 | 12 mm | Good | Antananarivo in June |
| July | 18° / 10° | 0 | 31 | 0 | 12 mm | Good | Antananarivo in July |
| August | 20° / 10° | 0 | 31 | 0 | 8 mm | Good | Antananarivo in August |
| September | 23° / 11° | 0 | 30 | 0 | 9 mm | Perfect | Antananarivo in September |
| October | 26° / 14° | 4 | 27 | 0 | 67 mm | Perfect | Antananarivo in October |
| November | 26° / 16° | 9 | 21 | 0 | 193 mm | Good | Antananarivo in November |
| December | 26° / 17° | 13 | 18 | 0 | 319 mm | Good | Antananarivo in December |