St Croix weather in September 2024

Expect 31°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Croix in September. Check more long-term weather averages for St Croix in September before you book your next holiday to Virgin Islands in 2024/2025.

31
31°C max day temperature
8
8 hours of sunshine per day
18
18 days with some rainfall
24
24°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
137
137 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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The September weather guide for Virgin Islands (St Croix) 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)

How hot is it in St Croix in September?

Daytime temperatures usually reach 31°C in St Croix in September with very high heat and humidity, falling to 24°C at night.

How sunny is it in St Croix in September?

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

How warm is the sea around St Croix in September?

The average sea temperature around St Croix in September is 29°C.

Does it rain in St Croix in September?

There are usually 18 days with some rain in St Croix in September and the average monthly rainfall is 137mm.

What is the chance of a hurricane in St Croix in September?

On average 1.1 days in September in St Croix are likely to be affected by the passage of one or more tropical storms.

St Croix September sunrise & sunset times

Browse the sunrise and sunset times for St Croix in September 2024. Select a month to view St Croix 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
Sunday, 1st September 2024	06:05	18:32
Sunday, 15th September 2024	06:07	18:20
Monday, 30th September 2024	06:09	18:08

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Virgin Islands - quick facts
Flight time^✝	17 hours
Time difference	UK -4 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (110V)
Driving side	Left
Visa^✝	Yes
Why visit?	Beaches Nature
Tourist info	US Virgin Islands Department of Tourism