Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
September verdict
Excellent for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 9.6h per day, so bright days are a strong part of the month. Rainfall averages 11mm, which is relatively low for holiday planning.
Monthly averages
Temp
29°C
Rain
11mm
Sun
9.6h
Sea
25°C
Weather score
87
Excellent
Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Drier
Rainfall averages 11mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.6h per day, so bright days are a strong part of the month.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Compare Antsiranana, Madagascar with nearby places by weather score, rain, sun, temperature, and swim conditions.
September29°C average high
September is on the cooler side of Antsiranana's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to May and October to December
This stretch sets the upper range for average daytime heat.
September11mm average rain
September is one of Antsiranana's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
September9.6 hours average sun
September is one of Antsiranana's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay and August to November
This stretch has the strongest sunshine in the monthly averages.
September25°C average sea
September is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to May and December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
September87 weather score
September is one of Antsiranana's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsMay to October
These months have the strongest weather score in the monthly averages.