Nosy Be Weather in September
In Nosy Be, September brings high daytime temperatures around 28°C (82°F), with nights cooling to 24°C (75°F). Some rainfall is to be expected.
Rainfall in Nosy Be in September
Rain is expected on roughly 8 days, totalling around 42 mm (1.7 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Nosy Be in September
If you're visiting Nosy Be in September, expect perfect temperatures with highs of 28°C (82°F) and overnight lows of 24°C (75°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Nosy Be in September
The city usually sees around 278 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Nosy Be in September
September sees wind speeds averaging (). You'll typically experience very calm weather with minimal air movement throughout the month. Keep in mind this is an average. While most days are nearly windless, occasional windier days may still occur.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Madagascar, check out our Nosy Be's climate page.
Nosy Be Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
28°C (82°F)
Chance of Rain
25%
Precipitation
42 mm (1.7 in)
Rainy days
8 days
Humidity
70% *
Windspeed
() *
Sunshine
278 hours *
Percentage Sunshine
81% *
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Nosy Be typically stay consistent throughout September, with daily highs averaging around 28°C (82°F). Nights are warm, with lows typically ranging from 20°C (68°F) to 23°C (73°F).
Average temperatures in September
Daily Historical Precipitation
46-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Nosy Be in September
Browse day-by-day weather records for Nosy Be spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nosy Be historical weather extremes in September
According to our 21 years of weather records for Nosy Be, the following extremes were recorded between 2004 and 2025.
- The hottest September day on record in Nosy Be reached 39°C (102°F) (September 18, 2016).
- The coldest September day was on September 5, 2020, with a maximum of 25°C (77°F).
- Nighttime temperatures dropped to 15°C (59°F) on September 1, 2016, marking the coldest September night on record.
Best Places in Madagascar in September
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
pleasant
tolerable
unpleasant
poor
What to Wear in Nosy Be in September
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. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Nosy Be in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Madagascar, check out our Nosy Be's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Nosy Be climate overview or explore weather in Madagascar.
