Cayo Guillermo Weather: September
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Average Day Temperature: | 90.2°F |
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Average Night Temperature: | 84.2°F |
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Sea Water Temperature: | 89.8°F |
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Number of Sunny Days: | 11 days |
Sunshine Hours: | 11.9 - 12.6 hours | |
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Number of Rainy Days: | 6 days |
Precipitation Totals: | 4.7 in | |
detailed information |
forecast
Cayo Guillermo |
Temperature
Cayo Guillermo |
Air Temperature in September, °F
The highest day temperature in September 2023 was 90°F. The lowest night temperature was 85°F. The average values for day and night temperatures during September were 88.6°F и 87.3°F respectivly.
Cayo Guillermo Water Sea Temperature in September, °F
The average sea surface temperature in September 2023 for Cayo Guillermo was 91.7°F. The maximum and minimum values were 91.0°F and 92.8°F respectively.
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 4.7 in. It makes september one of the most rainy months of the year.
The average wind speed in September is 10.5 mph. It makes September the most windless month of the year for Cayo Guillermo.
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.
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Playa Esmeralda | ![]() |
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Santa Maria | ![]() |
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Santiago de Cuba | ![]() |
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Trinidad | ![]() |
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Varadero | ![]() |
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2100 | ![]() |
82°F | W 17 mph |
0000 | ![]() |
82°F | W 15 mph |
0300 | ![]() |
82°F | W 12 mph |
0600 | ![]() |
82°F | W 13 mph |
0900 | ![]() |
82°F | NW 11 mph |
1200 | ![]() |
84°F | W 12 mph |
1500 | ![]() |
84°F | W 14 mph |
1800 | ![]() |
82°F | W 14 mph |