Mahajanga Weather in September

Season: Dry Season

Overview:
1. Mahajanga weather in September is a little hot but sunny, with the average temperature of 20 - 33°C (68 - 91°F) and 3 mm of rainfall on average;
2. Recover from the crowd high season to the quiet shoulder season.

Rainfall

September is one of the driest months in Mahajanga, with 3 mm of rainfall and only1 rainy day on average. Going to Mahajanga this month in 2025, you don’t even have to check the weather forecast and can leave your raincoat or umbrella at home.

Dry September

Temperature/ Sea Temperature

The average temperature in September is 20 - 33 degrees Celsius (68 - 91 degrees Fahrenheit). However, the temperature in recent years has actually been slightly higher than average. For example, in September 2024, more than half of the month had the daily maximum temperature of above 33°C (91°F), and sometimes even up to about 36°C (97°F). As for the minimum temperature, it fluctuates less throughout the month, from around 18 to 22°C (79°F). Therefore, traveling to Mahajanga this month, you are likely to feel warm and comfortable in the early morning and evening, while hot in the daytime.

For those who want to try sea sports or go swimming in the sea, the sea water is very cozy, with an average temperature of about 26°C (79°F).

Daylight Hours/ Sunshine Hours

In September, if you want to admire the sunrise or sunset, the corresponding times are around 05:48 and 17:54, respectively. The daylight hours reach about 12, during which the length of sunshine occupies 10.5 hours per day. The relatively long daylight and sunshine hours allow you more time to explore Mahajanga. However, during your outdoor trip, be sure to take sun protection measures since the UV index is high at 10+.

Crowds/ Travel Costs

In September, most tourists who came to Mahajanga to spend their summer vacation had left, so you will have a good and quiet traveling experience at less-crowded attractions. Furthermore, your spending on tickets and hotels will not be much.

What to Bring for Mahajanga Trip in September

Upper: In hot September, you need to wear as thin as possible. For example, you can bring tank tops, T-shirts, and short shirts made of cotton or linen. Thin sun protection jackets may be necessary, especially if you plan to do outdoor activities like hiking, and when you will be exposed to the sunlight for a long time.

Lower: Shorts, skirts, and thin long pants are all suitable choices for you.

Shoes: You are recommended to pack a pair of casual and cool shoes, like sandals or slippers, for relaxing trips in the city center and beaches, and a pair of comfortable hiking shoes or sneakers for hiking or exploring natural attractions.

Others:
1. Swim Suits: For swimming and enjoying water sports in hot and sunny September.
2. Sun Protection Gear: SPF 50+ sunscreen, sunglasses, and sunhats with wide brims to shield yourself from the intense sunlight.
3. Makes: Necessary on dusty roads in September.
4. Insect Repellent: Important when hiking or visiting forests.

What to Do in Mahajanga in September

Travel Recommendation Rate:

1. Explore Nature

September, when the weather of Mahajanga is stable and the road conditions stay good, is perfect for you to do some outdoor activities and enjoy the amazing natural scenery of Mahajanga.

(1) Grand Pavois Beach, Amborovy Beach, and Antsanitia Beach are all favorable places to enjoy the bright sunshine, or go swimming and try water sports like snorkeling and surfing to cool off on hot days.
(2) If you love adventuring or want to admire fantastic karst landscapes, be sure not to miss Anjohibe Caves, which has spectacular underground landscapes and rich ecosystems; and Cirque Rouge, which is famous for its beautiful red rocks.
(3) It is a good idea to hike in Ankarafantsika National Park to meet adorable lemurs, a wide variety of birds, chameleons of different colors, and ferocious crocodiles.

View of Ankarafantsika National Park

Cute Lemur of Mahajanga

2. Experience Local Culture

As for those scattered times during your Mahajanga trip in September, you can make full use of them to hang out and experience the local culture.

(1) You can find a local market, where you can try various local food or buy unique handicrafts.
(2) Avenue de France is not only a popular destination for visitors, but also for locals. Every afternoon at sunset, a large number of people come to see the huge baobab or enjoy the beautiful sunset by the Mozambique Channel. You can talk with the locals sitting along the coast while appreciating the sunset with a cup of drink.

Local Market of Mahajanga

FAQS

1. Is September a good month to visit Mahajanga?
Yes, September is one of the best months to visit Mahajanga. The climate is sunny almost every day and the lengths of daylight and sunshine are both long, creating good conditions for outdoor activities. Although the temperature is still a bit high, it is lower than that in many other months. And thanks to the low rainfall and humidity, you won’t feel stuffy or airless. Moreover, as a shoulder tourism month, September is budget-friendly and can ensure you a relaxing and leisurely trip.

2. Is Baie de Baly National Park recommended to visit in September?
The Park has beautiful and well-protected natural scenery and a variety of rare wildlife, such as ploughshare tortoises and lemurs. It’s a great place to visit in September when the climate of Mahajanga is sunny and the road conditions are good. However, it may take you over 6 hours to get there, so it is only recommended to tourists who are OK with that and have enough time.