September weather forecastCayo Coco, Cuba

September
Weather in September
September brings in autumn to Cayo Coco, but surprisingly witnesses a rise in rainfall to 152mm (5.98"), higher than the previous two months. There is no respite from the high temperature as it keeps in line with August. The UV index drops from its annual high in September, but caution is still advised when exposed to the sun for longer periods. The number of daylight hours begins to reduce, still allowing respectable time for visitors to explore the city. The sea temperature stays warm, encouraging water activities.Temperature
September's climate shows a minor adjustment in average high-temperatures to a still hot 32°C (89.6°F) from August's 33°C (91.4°F). Throughout the month of September, Cayo Coco reports a steady low-temperature average of 23°C (73.4°F).Rainfall
In September, in Cayo Coco, Cuba, the rain falls for 15 days. Throughout September, 152mm (5.98") of precipitation is accumulated. In Cayo Coco, during the entire year, the rain falls for 125 days and collects up to 1158mm (45.59") of precipitation.Sea temperature
June through October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.
Daylight
In September, the average length of the day in Cayo Coco is 12h and 16min.On the first day of September, sunrise is at 06:56 and sunset at 19:30. On the last day of the month, sunrise is at 07:04 and sunset at 19:01 CDT.
Sunshine
The months with the least sunshine in Cayo Coco are January, February, June, September through December, with an average of 7h of sunshine.UV index
In September, the average daily maximum UV index is 11. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 11 during September, leads to the following recommendations:
Implement every essential safety step. Individuals with fair skin might receive burns in less than 5 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Enhance your sun protection with tightly woven, yet airy clothing. After a swim or an outdoor workout, generously apply and regularly reapply a sunscreen with at least SPF 30, even if the day is cloudy. Caution! Sand and water reflections can notably increase the UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cayo Coco, Cuba
- Average high temperature in September: 32°C
The warmest months (with the highest average high temperature) are July and August (33°C).
The month with the lowest average high temperature is January (27°C).
- Average low temperature in September: 23°C
The months with the highest average low temperature are June, July, August and September (23°C).
The coldest month (with the lowest average low temperature) is January (17°C).
Average rainfall in September
Cayo Coco, Cuba
- Average rainfall in September: 152mm
The wettest month (with the highest rainfall) is October (184mm).
The driest month (with the least rainfall) is December (42mm).
Average rainfall days in September
Cayo Coco, Cuba
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is October (16 days).
The months with the least rainy days are February and April (5 days).
Average sea temperature in September
Cayo Coco, Cuba
- Average sea temperature in September: 29°C
The best months for swimming (with the highest average sea temperature) are June, July, August, September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February and March (25°C).
Average daylight in September /
Average sunshine in September
Cayo Coco, Cuba
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in September: 7h
The month with the most sunshine is April (Average sunshine: 9h).
The months with the least sunshine are January, February, June, September, October, November and December (Average sunshine: 7h).
Average UV index in September
Cayo Coco, Cuba
- Average UV index in September: 11
The months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).








