Cayo Guillermo
NW 12 mph
Feels like: 92°F
Precip: 63%
World Resorts Cuba Cayo Guillermo Weather September Weather in Cayo Guillermo

Cayo Guillermo Weather: September

Average Day Temperature: 91.2°F
Average Night Temperature: 83.1°F
Sea Water Temperature: 89.4°F
Number of Sunny Days: 11 days
Sunshine Hours: 11.9 - 12.6 hours
Number of Rainy Days: 8 days
Precipitation Totals: 6.0 in

Air Temperature in September, °F

Select Year: 2019 2018 2017

The highest day temperature in September 2019 was 91°F. The lowest night temperature was 84°F. The average values for day and night temperatures during September were 87.9°F и 86.3°F respectivly.

Cayo Guillermo Water Sea Temperature in September, °F

Select Year: 2019 2018 2017

The average sea surface temperature in September 2019 for Cayo Guillermo was 90.4°F. The maximum and minimum values were 88.4°F and 92.4°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in September, in

Precipitation total in September for Cayo Guillermo is 6.0 in. It makes september the most rainy month of the year.

Wind Speed in September, mph

The average wind speed in September is 10.2 mph. It makes September the most windless month of the year for Cayo Guillermo.

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 Guillermo in September is 7.4 hours.

Best Time to Visit Cayo Guillermo
The most sunny months:
July 16 days
August 14 days
April 13 days
The most warm months:
August 92.7 °F
July 92.2 °F
September 91.2 °F
Warmest sea temperature:
August 89.6 °F
September 89.4 °F
July 88.7 °F
The most cold months:
January 80.4 °F
February 81.5 °F
March 82.2 °F
The most rainy months:
May 9 days
October 9 days
September 8 days
The most windy months:
March 14 mph
November 13 mph
December 12 mph

Cayo Guillermo on the Weather Map

24 Hours Weather Forecast
Cayo Guillermo
Local time: 05:43
27 may, wednesday
0600 84°F
10 mph
0900 86°F
11 mph
1200 86°F
14 mph
1500 86°F
16 mph
1800 86°F
17 mph
2100 86°F
17 mph
28 may, thursday
0000 84°F
17 mph
0300 84°F
17 mph