September weather forecast
Cayo Santa María, Cuba

Shifting from August to September, holidaymakers in Cayo Santa María experience the maximum rainfall of the year at 190mm (7.48"). This month demonstrates the tropical nature of the island as energetic showers alternate with periods of bright sunshine. Visitors can witness the full flower of the Caribbean monsoon while enjoying the warmth of the sea. Despite being the wettest month, September offers an exquisite combination of climate and landscape. A slight drop in temperature is anticipated as we transition to October.

Temperature

June through September are the warmest months, with an average high-temperature of 32°C (89.6°F).

Rainfall

In Cayo Santa María, in September, during 15 rainfall days, 176mm (6.93") of precipitation is typically accumulated. In Cayo Santa María, during the entire year, the rain falls for 125 days and collects up to 1280mm (50.39") of precipitation.

Sea temperature

June through October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Cayo Santa María, Cuba.
Note: Engaging in water activities, such as swimming or diving, in temperatures from 25°C (77°F) to 29°C (84.2°F) is very pleasurable for extended periods, without any discomfort.

Daylight

The average length of the day in September in Cayo Santa María is 12h and 16min.
On the first day of September, sunrise is at 06:58 and sunset at 19:32. On the last day of the month, sunrise is at 07:07 and sunset at 19:04 CDT.

Sunshine

The months with the least sunshine in Cayo Santa María are January, February, June, September through December, with an average of 7h of sunshine.

UV index

In September, the average daily maximum UV index in Cayo Santa María is 11. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 11 during September leads to these instructions:
Employ every crucial safety step. Those with fair skin could experience burns in a matter of minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended. Even on overcast days, apply and frequently reapply a sunscreen with SPF 30 or more, specifically after a swim or outdoor workout. Caution! The mirror effect of sand and water ups the UV radiation strength.