September in Mahajanga brings very high temperatures, with daytime highs of 32°C (90°F) and nights around 22°C (72°F). Only 3.8 mm (0.1 in) of rainfall is typical, making it a largely dry month.
If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
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Pick a month to see the average temperature, rainfall and sunshine in Mahajanga - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Mahajanga typically stay consistent throughout September, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 21°C (70°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Mahajanga spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 33 years of weather records for Mahajanga, the following extremes were recorded between 1992 and 2025.
Find out more about the weather in Madagascar and which places have the best travel conditions in this month. See all of Madagascar in September →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Mahajanga climate overview or explore weather in Madagascar.
Where to go in September - average daytime high across popular destinations.
Hell-Ville
28°C (82°F) Ambondrona28°C (82°F) Ambatoloaka28°C (82°F) Ambaro28°C (82°F) Toamasina
25°C (77°F) Ravoraha
25°C (77°F) Antananarivo24°C (75°F) Sainte Marie25°C (77°F) Need travel inspiration? Check out our bucket list articles and be inspired.
A Robinson Crusoe paradise
Ankazoberavina is an eco lodge located on a private island of Ankazoberavina in the north west of Madagascar. Going to Ankazoberavina is a real privilege, a bucket list experience that can hardly be forgotten.
Go Lemur spotting at Analamazaotra Nature Reserve
Analamazaotra Nature Reserve is probably the best place in Madagascar to see lemurs! Nine different species of lemurs live in the park.
Visit Kruger Park in South Africa
Are you going to South Africa, then you cannot skip the Kruger Park. The Kruger Park is one of the most beautiful and largest safari parks in the world.
The Atlas Mountains in Morocco
This mountain range is the second highest mountains in the world and is certainly one of the most natural and wonderful mountains you could ever visit. One for the bucket list for sure.
