Raiatea weather in September 2025

Expect 29°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Raiatea in September. Check more long-term weather averages for Raiatea in September before you book your next holiday to French Polynesia in 2025/2026.

  • 29°C maximum daytime temperature in September in Raiatea29
    29°C max day temperature
  • 5 days with some rainfall in September in Raiatea5
    5 days with some rainfall
  • 22°C minimum night-time temperature in September in Raiatea22
    22°C min night temperature
  • 12 hours of daylight per day in September in Raiatea12
    12 hours of daylight per day
  • Moderate heat & humidity in September in RaiateaM
    Moderate heat & humidity
  • 72 mm monthly rainfall in September in Raiatea72
    72 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Raiatea11
    11 (Extreme) UV index
  • 27°C sea temperature in September in Raiatea27
    27°C sea temperature

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The September weather guide for French Polynesia (Raiatea) 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 Raiatea in September?

Daytime temperatures usually reach 29°C in Raiatea in September with moderate heat and humidity, falling to 22°C at night.

How warm is the sea around Raiatea in September?

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

Does it rain in Raiatea in September?

There are usually 5 days with some rain in Raiatea in September and the average monthly rainfall is 72mm.

Raiatea September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:12 18:00
Monday, 15th September 2025 06:01 18:01
Tuesday, 30th September 2025 05:49 18:03

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