Madagascar Weather in September

 Season: Dry Season 

Lemurs in the Forest

In Short: mild, dry, abundant sunlight, lowest rainfall of the year

Madagascar witnesses mild and dry weather in September as a whole. The monthly average temperature is moderate, ranging from 16-27°C (60.8°F-80.6°F). The sunshine duration lasts 12 hours or so per day, which means the daily sunlight is abundant. Derived from the historical data, September has the lowest rainfall of the year in Madagascar. The total precipitation for the month is 28 mm on average and there are 7 days of rain. Regionally, the western and southern regions are warmer than the central highlands while coastal areas have lower humidity. 

 The warmest cities in Madagascar in September 

Toliara: 20.7-28.7°C (69.26°F-83.66°F); Mahajanga: 21.5-30.9°C (70.7°F-87.26°F); Antisiranana: 20-29.5°C (68°F-85.1°F)

 The coldest cities in Madagascar in September 

Antananarivo: 10.6-23.6°C (51.08°F-74.48°F); Fianarantsoa: 11.1-22.8°C (51.98°F-73.04°F); Toamasina: 17.3-25.8°C (63.14°F-78.44°F)

Why Travel to Madagascar in September

1. The warm weather in September makes dried vegetation come to life again. As young leaves and flowers begin to bloom, you can see bright and fresh plants everywhere, which creates a picturesque scenery for tourists to appreciate.
2. As the temperature rises, hibernating animals become active again. That is to say, you are lucky enough to observe more kinds of species that are endemic to Madagascar. It is also the peak period of bird breeding and the whale watching isn’t over yet.
3. The summer holiday is almost come to an end, so you won’t feel too crowded as the number of tourists somewhat drop off, accompanied by lower costs for flights and accommodations.

Top Things to Do in September in Madagascar

Tourism Rate:

1. Whale Watching in Sainte Marie

September is the last month to watch whales romping in the sea in Madagascar. Sainte Marie is one perfect destination that most people would choose to watch whales. Here you can enjoy the incredible mating dances of male and female humpbacks, such as jumping up and down in the sea and splashing seawaters. You can’t miss this annual whale carnival if you travel to Madagascar at this time. Other than whale watching, diverse sea activities such as surfing, snorkeling and diving are also available for you.

Madagascar Seasides at Dusk

2. Baby Lemurs Viewing in Berenty Reserve

September is regarded as the beginning of baby lemur season in Madagascar. The Berenty Reserve, a small private reserve, is the top destination for tourists to view baby lemurs. The transportation here is convenient and it is open to the public all year round. It is a lovely thing to see all sorts of mother lemurs and their babies swing through the tall trees. In addition to baby lemurs, there are many other species like lizards and chameleons that also attracts visitors.

3. Bird Observing in Andasibe-Mantadia National Park

Andasibe-Mantadia National Park is covered by a large area of dense rain forest, with a complete tropical rain forest ecosystem, and it is known as a paradise for wildlife. There are dozens of bird species for you to observe, some of which are unique to Madagascar. Also eleven kinds of well-known lemurs can be seen here. September is a great time to immerse yourself into this wildlife world.

4.Rambling in Antananarivo

The favorable weather in September provides visitors a good opportunity to enjoy city life in Antananarivo. This city is full of cultural atmosphere of Madagascar. You can pay a visit to Andohalo Cathedral and Madagascar Photography Museum to learn about its culture and history; you can also go to the Analakely Market to taste the local food, try on distinctive clothing, and buy some exquisite handicrafts at the stalls. Slowing down your pace to take a stroll around the streets is a nice choice for you.

A Glance of Antananarivo City

If you want to enjoy a Madagascar trip in September, 2025, then read our Best Private Madagascar Tours 2025 & 2026 to get some inspirations.

What to Wear to Visit Madagascar in September

Madagascar weather in September is generally comfortable and what you wear depends on what you do here actually.
If you spend time on sea activities, you should bring your bathing suit at least. To protect against UV rays, you can also wear a long smock. It is recommended that you wear long-sleeved suit when you watch whales at sea because of strong wind. Sandals and flip-flops are perfect for roaming on the beach. 

Opt for rainforest and mountain adventures means you have to walk a lot, so wearing lightweight sneakers or hiking shoes to keep you comfortable is a wise decision. Breathable and sweat-absorbing sportswear would be more suitable for such places.

If you go to some historical and cultural sites in the city during the day, you can wear more casual and fashionable clothes so as to take some nice photos here. Girls can wear hot pants, skirt or long dress and boys can wear thin T-shirt and shorts.

Essential items: Although September is in the dry season in Madagascar, some areas still have sporadic rainfall from time to time. Thus raingear like waterproof or umbrella is a must. And there are plenty of mosquitoEs in the rain forest, so keep mosquito spray with you at all times. Furthermore, Sunscreen, sunglasses and parasol must be taken to prevent sunburn here. Don’t forget to pack a coat or jacket, as the nights are a bit cool in Madagascar.

September Weather of Major Madagascar Cities

City	Temp	Rainfall (mm)	Humi- dity (%)	Sunrise/ Sunset
Antananarivo	10.6-23.6°C (51.08°F-74.48°F)	10.6	70.5	05:59:37/ 17:45:18
Toliara	20.7-28.7°C (69.26°F-83.66°F)	6	62	06:12:02/ 17:52:17
Fianaranstoa	11.1-22.8°C (51.98°F-73.04°F)	7	74	06:01:50/ 17:43:05
Toamasina	17.3-25.8°C (63.14°F-78.44°F)	121.1	83	05:50:12/ 17:37:00
Mahajanga	21.5-30.9°C (70.7°F-87.26°F)	3	58	05:59:34/ 17:47:50
Morondava	21.6-30.1°C (70.88°F-86.18°F)	4	61	05:59:29/ 17:45:06
Antisiranana	20-29.5°C (68°F-85.1°F)	8.8	69	05:59:29/ 17:45:06

Madagascar Weather by Month