Cayo Santa Maria weather in September 2025

Expect 90°F 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.

  • 90°F maximum daytime temperature in September in Cayo Santa Maria90
    90°F max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in September in Cayo Santa Maria15
    15 days with some rainfall
  • 73°F minimum night-time temperature in September in Cayo Santa Maria73
    73°F min night temperature
  • 12 hours of daylight per day in September in Cayo Santa Maria12
    12 hours of daylight per day
  • Very high heat & humidity in September in Cayo Santa MariaVH
    Very High heat & humidity
  • 6.9 inches monthly rainfall in September in Cayo Santa Maria6.9
    6.9 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Cayo Santa Maria11
    11 (Extreme) UV index
  • 84°F sea temperature in September in Cayo Santa Maria84
    84°F 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)  |  Imperial (°F)

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How hot is it in Cayo Santa Maria in September?

Daytime temperatures usually reach 90°F in Cayo Santa Maria in September with very high heat and humidity, falling to 73°F 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 84°F.

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 6.9 inches.

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.

JanFebMarAprMayJunJulAugSepOctNovDec

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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