Measurements:
°C
°F
Cayo Largo
74°F
W 6 mph
Feels like: 80°F
Precip: 0%
World Resorts Cuba Cayo Largo Weather September Weather in Cayo Largo

Cayo Largo Weather: September

Average Day Temperature: 90.4°F
Average Night Temperature: 85.9°F
Sea Water Temperature: 90.8°F
Number of Sunny Days: 13 days
Sunshine Hours: 12.0 - 12.5 hours
Number of Rainy Days: 6 days
Precipitation Totals: 3.4 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 100°F. The lowest night temperature was 74°F. The average values for day and night temperatures during September were 95.2°F и 78.7°F respectivly.

Cayo Largo Water Sea Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cayo Largo was 92.3°F. The maximum and minimum values were 90.8°F and 93.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Cayo Largo is 3.4 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 9.5 mph. It makes September the most windless month of the year for Cayo Largo.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Cayo Largo in September is 7.6 hours.

Best Time to Visit Cayo Largo
The most sunny months:
March 18 days
February 16 days
April 16 days
The most warm months:
August 91.8 °F
July 91.4 °F
September 90.4 °F
Warmest sea temperature:
August 91.4 °F
September 90.8 °F
July 90.6 °F
The most cold months:
January 80.2 °F
February 81.2 °F
December 82.6 °F
The most rainy months:
October 6 days
September 6 days
May 5 days
The most windy months:
December 14 mph
November 14 mph
January 13 mph

Cayo Largo on the Weather Map

24 Hours Weather Forecast
Cayo Largo
Local time: 00:12
05 dec, friday
0300 76°F
W
5 mph
0600 76°F
W
5 mph
0900 80°F
W
8 mph
1200 94°F
W
8 mph
1500 92°F
W
6 mph
1800 88°F
NW
3 mph
2100 80°F
W
3 mph
06 dec, saturday
0000 76°F
W
4 mph

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