St Helena weather in September 2024

Expect 64°F daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in St Helena in September. Check more long-term weather averages for St Helena in September before you book your next holiday to St Helena & Islands in 2024/2025.

64
64°F max day temperature
12
12 days with some rainfall
59
59°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
2.1
2.1 inches of monthly rainfall
11
11 (Extreme) UV index
68
68°F sea temperature

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The September weather guide for St Helena & Islands (St Helena) 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 St Helena in September?

Daytime temperatures usually reach 64°F in St Helena in September, falling to 59°F at night.

How warm is the sea around St Helena in September?

The average sea temperature around St Helena in September is 68°F.

Does it ever rain in St Helena in September?

There are usually 12 days with some rain in St Helena in September and the average monthly rainfall is 2.1 inches.

St Helena September sunrise & sunset times

Browse the sunrise and sunset times for St Helena in September 2024. Select a month to view St Helena sunrise and sunset times for the next 12 months.

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