September weather forecast
Cayo Santa María, Cuba

Weather in September

The first month of the autumn, September, is still a tropical month in Cayo Santa María, Cuba, with an average temperature ranging between min 23°C (73.4°F) and max 32°C (89.6°F).

Temperature

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

Rainfall

In September, in Cayo Santa María, Cuba, the rain falls for 15 days. Throughout September, 176mm (6.93") of precipitation is accumulated. Throughout the year, in Cayo Santa María, Cuba, 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 in Cayo Santa María, Cuba.
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In Cayo Santa María, the average length of the day in September is 12h and 16min.
On the first day of the month, sunrise is at 06:58 and sunset at 19:33. On the last day of September, in Cayo Santa María, 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

In Cayo Santa María, the average daily maximum UV index in September is 11. A UV Index reading of 11, and higher, represents an extreme threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 11 in September interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
[Resources]

FAQ

What is the warmest month in Cayo Santa María?

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

What is the temperature in September in Cayo Santa María?

The average high-temperature, in September, is 32°C (89.6°F), while the average low-temperature is 23°C (73.4°F).

How many days does it rain in September in Cayo Santa María?

In September, in Cayo Santa María, Cuba, the rain falls for 15 days. Throughout September, 176mm (6.93") of precipitation is accumulated.

When is the sea warmest in Cayo Santa María?

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.

What is the sea water temperature in September in Cayo Santa María?

In Cayo Santa María, the average seawater temperature in September is 29°C (84.2°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Cayo Santa María have in September?

The average day length in September is 12h and 16min.

When are sunrise and sunset in September in Cayo Santa María?

On the first day of September in Cayo Santa María, Cuba, sunrise is at 06:58 and sunset at 19:33. On the last day of the month, sunrise is at 07:07 and sunset at 19:04 CDT.

What is the month with the least sunshine in Cayo Santa María?

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

How many hours of sunshine does Cayo Santa María have in September?

The average sunshine duration in September in Cayo Santa María, Cuba, is 7h.

How high is the UV index in September in Cayo Santa María?

In Cayo Santa María, Cuba, the average daily maximum UV index in September is 11. A UV Index estimate of 11, and higher, represents an extreme health vulnerability from exposure to the Sun's UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in September
Cayo Santa María, Cuba

Average temperature in September - Cayo Santa María, Cuba
  • Average high temperature in September: 32°C

The warmest months (with the highest average high temperature) are June, July, August and September (32°C).
The months with the lowest average high temperature are January, February and December (27°C).

  • Average low temperature in September: 23°C

The months with the highest average low temperature are June, July, August, September and October (23°C).
The coldest months (with the lowest average low temperature) are January and February (18°C).

[Resources]

Average rainfall in September
Cayo Santa María, Cuba

Average rainfall in September - Cayo Santa María, Cuba
  • Average rainfall in September: 176mm

The wettest month (with the highest rainfall) is October (190mm).
The driest month (with the least rainfall) is February (36mm).

[Resources]

Average rainfall days in September
Cayo Santa María, Cuba

Average rainfall days in September - Cayo Santa María, Cuba
  • Average rainfall days in September: 15 days

The month with the highest number of rainy days is October (16 days).
The month with the least rainy days is April (5 days).

[Resources]

Average sea temperature in September
Cayo Santa María, Cuba

Average sea temperature in September - Cayo Santa María, 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).

[Resources]

Average daylight in September /
Average sunshine in September
Cayo Santa María, Cuba

Average daylight in September / Average sunshine in September - Cayo Santa María, Cuba
  • Average daylight in September: 12h and 16min

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 46min).

  • Average sunshine in September: 7h

The months with the most sunshine are March, April, May, July and August (Average sunshine: 8h).
The months with the least sunshine are January, February, June, September, October, November and December (Average sunshine: 7h).

[Resources]

Average UV index in September
Cayo Santa María, Cuba

Average UV index in September - Cayo Santa María, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location