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

Cayo Santa María sees the highest average temperatures during the months of June through September, peaking at 32°C (89.6°F).

Rainfall

In Cayo Santa María, during September, the rain falls for 15 days and regularly aggregates up to 176mm (6.93") of precipitation. Throughout the year, there are 125 rainfall days, and 1280mm (50.39") of precipitation is accumulated.

Sea temperature

June through October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.
Note: For engaging in any water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) are viewed as outstanding and exceptionally pleasing for prolonged durations.

Daylight

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

Sunshine

January, February, June, September through December, with an average of 7h of sunshine, are months with the least sunshine.

UV index

The average daily maximum UV index in September is 11. A UV Index value of 11, and more, symbolizes an extreme threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 11 in September transforms into this advice:
Put into action all crucial precautions. Defense against sun damage is a must. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. After every outdoor workout or swim, liberally apply and frequently reapply a broad-spectrum SPF 30+ sunscreen. Attention! UV radiation is markedly stronger with water and sand reflections.