Nossi-be weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Nossi-be in September. Check more long-term weather averages for Nossi-be in September before you book your next holiday to Madagascar in 2025/2026.

  • 30°C maximum daytime temperature in September in Nossi-be30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 7 days with some rainfall in September in Nossi-be7
    7 days with some rainfall
  • 19°C minimum night-time temperature in September in Nossi-be19
    19°C min night temperature
  • 12 hours of daylight per day in September in Nossi-be12
    12 hours of daylight per day
  • High heat & humidity in September in Nossi-beH
    High heat & humidity
  • 38 mm monthly rainfall in September in Nossi-be38
    38 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Nossi-be11
    11+ (Extreme) UV index
  • 26°C sea temperature in September in Nossi-be26
    26°C sea temperature

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The September weather guide for Madagascar (Nossi-be) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Nossi-be in September?

Daytime temperatures usually reach 30°C in Nossi-be in September with high heat and humidity, falling to 19°C at night.

How sunny is it in Nossi-be in September?

There are normally 9 hours of bright sunshine each day in Nossi-be in September - that's 77% of daylight hours.

How warm is the sea around Nossi-be in September?

The average sea temperature around Nossi-be in September is 26°C.

Does it rain in Nossi-be in September?

There are usually 7 days with some rain in Nossi-be in September and the average monthly rainfall is 38mm.

Nossi-be September sunrise & sunset times

Browse the sunrise and sunset times for Nossi-be in September 2025. Select a month to view Nossi-be sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:52 17:43
Monday, 15th September 2025 05:42 17:43
Tuesday, 30th September 2025 05:31 17:43

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