Madagascar
Madagascar in September
Where it is warm, dry and good for swimming in Madagascar in September — compared across the country’s main destinations.
Quick answers
- Where is it warmest in Madagascar in September?
- Mahajanga is the warmest of the 16 destinations compared, with highs of 32°C (89°F) in September; Ambositra is the coolest at 22°C (71°F).
- Can you swim in the sea in Madagascar in September?
- Yes, in places: the warmest water is at Ambanja (27°C (80°F)), and 6 of the coastal destinations have a sea of 21 °C or more.
Warmest
32°
Mahajanga
Coolest
22°
Ambositra
Driest
4 mm
Morondava
Warmest sea
27°
Ambanja
Across Madagascar, September highs run from 22°C (71°F) (Ambositra) to 32°C (89°F) (Mahajanga). On average it is about as warm as August. Most destinations stay largely dry. Best bets this month: Antananarivo, Antsiranana, and Morondava.
Best places in Madagascar in September
96 
Antananarivo
Analamanga · Madagascar
23° / 11° 13 mm Sep
95
Antsiranana
Diana · Madagascar
30° / 20° 14 mm Sep
100
Morondava
Menabe · Madagascar
31° / 18° 4 mm Sep
95
Toliara
Atsimo-Andrefana · Madagascar
32° / 16° 7 mm Sep
95
Antsirabe
Vakinankaratra · Madagascar
24° / 8° 27 mm Sep
93
Mahajanga
Boeny · Madagascar
32° / 19° 29 mm Sep
92
Fianarantsoa
Upper Matsiatra · Madagascar
23° / 11° 21 mm Sep
93
Andoany
Diana · Madagascar
31° / 20° 35 mm Sep
Weather in September by city
| Place | Day | Night | Rain | Sea | Score |
|---|---|---|---|---|---|
| Morondava | 31° | 18° | 4 mm | — | 100 |
| Antananarivo | 23° | 11° | 13 mm | — | 96 |
| Antsiranana | 30° | 20° | 14 mm | — | 95 |
| Toliara | 32° | 16° | 7 mm | 25° | 95 |
| Antsirabe | 24° | 8° | 27 mm | — | 95 |
| Mahajanga | 32° | 19° | 29 mm | 26° | 93 |
| Andoany | 31° | 20° | 35 mm | 27° | 93 |
| Fianarantsoa | 23° | 11° | 21 mm | — | 92 |
| Ambanja | 31° | 20° | 35 mm | 27° | 92 |
| Ambalavao | 25° | 12° | 18 mm | — | 92 |
| Ambositra | 22° | 9° | 33 mm | — | 91 |
| Ihosy | 28° | 13° | 12 mm | — | 90 |
| Tôlanaro | 28° | 16° | 37 mm | 22° | 87 |
| Manakara | 25° | 17° | 97 mm | 24° | 81 |
| Maroantsetra | 26° | 18° | 113 mm | — | 76 |
| Toamasina | 26° | 17° | 100 mm | — | 72 |
Frequently asked questions
What is the weather like in Madagascar in September?
Average daytime highs range from 22° in Ambositra to 32° in Mahajanga.
Can you swim in Madagascar in September?
Yes — the sea is warmest around Ambanja at about 27°.