Cayo Santa Maria weather in September 2025

Q: How hot is it in Cayo Santa Maria in September?

Daytime temperatures usually reach 32°C in Cayo Santa Maria in September with very high heat and humidity, falling to 23°C at night.

Q: How sunny is it in Cayo Santa Maria in September?

There are normally 7 hours of bright sunshine each day in Cayo Santa Maria in September - that's 55% of daylight hours.

Q: How warm is the sea around Cayo Santa Maria in September?

The average sea temperature around Cayo Santa Maria in September is 29°C.

Q: Does it rain in Cayo Santa Maria in September?

There are usually 15 days with some rain in Cayo Santa Maria in September and the average monthly rainfall is 176mm.

Q: What is the chance of a cyclone in Cayo Santa Maria in September?

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

Expect 32°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Cayo Santa Maria in September. Check more long-term weather averages for Cayo Santa Maria in September before you book your next holiday to Cuba in 2025/2026.

32
32°C max day temperature
7
7 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
176
176 mm of monthly rainfall
11
11 (Extreme) UV index
29
29°C sea temperature

More about Cayo Santa Maria

Cayo Santa Maria by month

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The September weather guide for Cuba (Cayo Santa Maria) 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 Cuba

How hot is it in Cayo Santa Maria in September?

Daytime temperatures usually reach 32°C in Cayo Santa Maria in September with very high heat and humidity, falling to 23°C at night.

How sunny is it in Cayo Santa Maria in September?

There are normally 7 hours of bright sunshine each day in Cayo Santa Maria in September - that's 55% of daylight hours.

How warm is the sea around Cayo Santa Maria in September?

The average sea temperature around Cayo Santa Maria in September is 29°C.

Does it rain in Cayo Santa Maria in September?

There are usually 15 days with some rain in Cayo Santa Maria in September and the average monthly rainfall is 176mm.

What is the chance of a hurricane in Cayo Santa Maria in September?

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

Cayo Santa Maria September sunrise & sunset times

Browse the sunrise and sunset times for Cayo Santa Maria in September 2025. Select a month to view Cayo Santa Maria 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	05:59	18:33
Monday, 15th September 2025	06:03	18:19
Tuesday, 30th September 2025	06:07	18:04

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Cuba - quick facts
Flight time^✝	10 hours
Time difference	UK -5 hours
Language(s)	Spanish
Currency	Cuban Peso
Electricity	A + B + C + L plug (110V)
Driving side	Right
Visa^✝	Yes
Why visit?	Beaches Culture Nature Nightlife
Tourist info	Cuba Ministry of Tourism