French Southern & Antarctic Lands weather in September 2025

Q: How cold is it in the French Southern & Antarctic Lands in September?

Daytime temperatures usually reach 5°C in Kerguelen, French Southern & Antarctic Lands in September, falling to -1°C at night.

Q: How sunny is it in the French Southern & Antarctic Lands in September?

There are normally 4 hours of bright sunshine each day in Kerguelen, French Southern & Antarctic Lands in September - that's 36% of daylight hours.

Q: Is the sea cold around the French Southern & Antarctic Lands in September?

The average sea temperature around Kerguelen, French Southern & Antarctic Lands in September is 2°C.

Q: Does it rain in the French Southern & Antarctic Lands in September?

There are usually 27 days with some rain in Kerguelen, French Southern & Antarctic Lands in September and the average monthly rainfall is 72mm. Rain may fall as snow in this month.

Expect 41°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in French Southern & Antarctic Lands in September. Check more long-term weather averages for French Southern & Antarctic Lands in September before you book your next holiday to French Southern & Antarctic Lands in 2025/2026.

41
41°F max day temperature
4
4 hours of sunshine per day
27
27 days with some rainfall
30
30°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
2.8
2.8 inches of monthly rainfall
2
2 (Low) UV index
36
36°F sea temperature

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The September weather guide for French Southern & Antarctic Lands, represented by Kerguelen, (Kerguelen) 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 cold is it in the French Southern & Antarctic Lands in September?

Daytime temperatures usually reach 41°F in Kerguelen, French Southern & Antarctic Lands in September, falling to 30°F at night.

How sunny is it in the French Southern & Antarctic Lands in September?

There are normally 4 hours of bright sunshine each day in Kerguelen, French Southern & Antarctic Lands in September - that's 36% of daylight hours.

How warm is the sea around the French Southern & Antarctic Lands in September?

The average sea temperature around Kerguelen, French Southern & Antarctic Lands in September is 36°F.

Does it rain in the French Southern & Antarctic Lands in September?

There are usually 27 days with some rain in Kerguelen, French Southern & Antarctic Lands in September and the average monthly rainfall is 2.8 inches. Rain may fall as snow in this month.

French Southern & Antarctic Lands September sunrise & sunset times

Browse the sunrise and sunset times for French Southern & Antarctic Lands in September 2025. Select a month to view French Southern & Antarctic Lands sunrise and sunset times for the next 12 months. The French Southern & Antarctic Lands sunrise and sunset times shown below are for Kerguelen.

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