Mahe weather in September 2025

Expect 28°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Mahe in September. Check more long-term weather averages for Mahe in September before you book your next holiday to Seychelles in 2025/2026.

  • 28°C maximum daytime temperature in September in Mahe28
    28°C max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in September in Mahe15
    15 days with some rainfall
  • 24°C minimum night-time temperature in September in Mahe24
    24°C min night temperature
  • 12 hours of daylight per day in September in Mahe12
    12 hours of daylight per day
  • Moderate heat & humidity in September in MaheM
    Moderate heat & humidity
  • 134 mm monthly rainfall in September in Mahe134
    134 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Mahe11
    11+ (Extreme) UV index
  • 27°C sea temperature in September in Mahe27
    27°C sea temperature

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The September weather guide for Seychelles (Mahe) 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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More about the Seychelles

How hot is it in Mahe in September?

Daytime temperatures usually reach 28°C in Mahe in September with moderate heat and humidity, falling to 24°C at night.

How sunny is it in Mahe in September?

There are normally 8 hours of bright sunshine each day in Mahe in September - that's 64% of daylight hours.

How warm is the sea around Mahe in September?

The average sea temperature around Mahe in September is 27°C.

Does it rain in Mahe in September?

There are usually 15 days with some rain in Mahe in September and the average monthly rainfall is 134mm.

Mahe September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:18 18:19
Monday, 15th September 2025 06:11 18:16
Tuesday, 30th September 2025 06:04 18:12

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