Measurements:
°C
°F
CURRENT WEATHER
01:07
Cayo Largo
82°F
SW 4 mph
Feels like: 88°F
Precip: 25%
World Resorts Cuba Cayo Largo Weather

7 Day Weather Forecast

09.10
thu
DAY
100°F
W 6 mph
precip
1%
NIGHT
82°F
W 5 mph
precip
11%
09.11
fri
DAY
100°F
NW 4 mph
precip
10%
NIGHT
80°F
W 4 mph
precip
30%
09.12
sat
DAY
100°F
NW 7 mph
precip
23%
NIGHT
76°F
W 6 mph
precip
30%
09.13
sun
DAY
96°F
W 7 mph
precip
2%
NIGHT
78°F
W 5 mph
precip
20%
09.14
mon
DAY
96°F
W 9 mph
precip
2%
NIGHT
80°F
SW 6 mph
precip
16%
09.15
tue
DAY
96°F
W 10 mph
precip
9%
NIGHT
82°F
SW 7 mph
precip
22%
09.16
wed
DAY
94°F
W 9 mph
precip
5%
NIGHT
80°F
W 6 mph
precip
71%

Cayo Largo Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cayo Largo was 31.2°F. The maximum and minimum values were 30.4°F and 31.6°F respectively.

Cayo Largo on the Weather Map

Best Time to Visit Cayo Largo
The most sunny months:
March 17 days
February 15 days
April 15 days
The most warm months:
August 92.3 °F
July 92.0 °F
September 90.4 °F
Warmest sea temperature:
August 91.4 °F
September 90.8 °F
July 90.7 °F
The most cold months:
January 80.6 °F
February 81.5 °F
December 83.0 °F
The most rainy months:
October 6 days
September 6 days
May 5 days
The most windy months:
November 14 mph
December 13 mph
January 13 mph
more details