St Lawrence weather in September 2025

Q: How hot is it in St Lawrence in September?

Daytime temperatures usually reach 30°C in St Lawrence in September with very high heat and humidity, falling to 23°C at night.

Q: How sunny is it in St Lawrence in September?

There are normally 8 hours of bright sunshine each day in St Lawrence in September - that's 63% of daylight hours.

Q: How warm is the sea around St Lawrence in September?

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

Q: Does it rain in St Lawrence in September?

There are usually 15 days with some rain in St Lawrence in September and the average monthly rainfall is 159mm.

Q: What is the chance of a cyclone in St Lawrence in September?

On average less than 1 day in September in St Lawrence is likely to be affected by the passage of one or more tropical storms.

Expect 30°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in St Lawrence in September. Check more long-term weather averages for St Lawrence in September before you book your next holiday to Barbados in 2025/2026.

30
30°C max day temperature
8
8 hours of sunshine per day
15
15 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
159
159 mm of monthly rainfall
11
11+ (Extreme) UV index
29
29°C sea temperature

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The September weather guide for Barbados (St Lawrence) 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)

More about Barbados

How hot is it in St Lawrence in September?

Daytime temperatures usually reach 30°C in St Lawrence in September with very high heat and humidity, falling to 23°C at night.

How sunny is it in St Lawrence in September?

There are normally 8 hours of bright sunshine each day in St Lawrence in September - that's 63% of daylight hours.

How warm is the sea around St Lawrence in September?

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

Does it rain in St Lawrence in September?

There are usually 15 days with some rain in St Lawrence in September and the average monthly rainfall is 159mm.

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

On average less than 1 day in September in St Lawrence is likely to be affected by the passage of one or more tropical storms.

St Lawrence September sunrise & sunset times

Browse the sunrise and sunset times for St Lawrence in September 2025. Select a month to view St Lawrence 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	05:47	18:09
Monday, 15th September 2025	05:47	17:59
Tuesday, 30th September 2025	05:48	17:49

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Barbados - quick facts
Flight time^✝	8.5 hours
Time difference	UK -4 hours
Language(s)	English
Currency	Barbadian Dollar
Electricity	A + B plug (115V)
Driving side	Left
Why visit?	Beaches Nature Nightlife
Tourist info	Barbados Tourism Marketing