Raiatea weather in September 2025

Q: 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.

Q: How warm is the sea around Raiatea in September?

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

Q: 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.

Expect 84°F 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.

84
84°F max day temperature
5
5 days with some rainfall
72
72°F min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
2.8
2.8 inches of monthly rainfall
11
11 (Extreme) UV index
81
81°F 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) | Imperial (°F)

How hot is it in Raiatea in September?

Daytime temperatures usually reach 84°F in Raiatea in September with moderate heat and humidity, falling to 72°F at night.

How warm is the sea around Raiatea in September?

The average sea temperature around Raiatea in September is 81°F.

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 2.8 inches.

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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French Polynesia - quick facts
Time difference	UK -9 to -10 hours
Language(s)	French, Tahitian
Currency	CFP Franc
Electricity	C + E plug (220V)
Driving side	Right
Why visit?	Beaches Nature
Tourist info	Tahiti Tourism