September weather forecast and climate
Havana, Cuba

The front yard of the Gran Teatro in Havana, Cuba, with a display of colored vintage cars
The front yard of the Gran Teatro in Havana, Cuba, with a display of colored vintage cars

Temperature

The average high-temperature, is 31°C (87.8°F), while the average low-temperature is 23.8°C (74.8°F).

Humidity

The average relative humidity is 79%.

Rainfall

In Havana, Cuba, during 10 rainfall days, 144.4mm (5.7") of precipitation is typically accumulated. Throughout the year, there are 80 rainfall days, and 1189.2mm (46.8") of precipitation is accumulated.

Sea temperature

In Havana, the average seawater temperature in September is 29.4°C (84.9°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.

Daylight

In September, the average length of the day is 12.3h.

Sunshine

With an average of 10h of sunshine, September has the most sunshine of the year.

UV index

In Havana, the average UV index in September is 11.

What is the temperature in September in Havana?

In September, in Havana, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 23.8°C (74.8°F).

What is the average humidity in September in Havana?

The average relative humidity in September in Havana is 79%.

How much does it rain in Havana in September?

In Havana, Cuba, in September, it is raining for 10 days, with typically 144.4mm (5.7") of accumulated precipitation.

What is the water temperature in September in Havana?

In September, the average sea temperature in Havana is 29.4°C (84.9°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Havana have in September?

In Havana, Cuba, the average length of the day in September is 12.3h.

What month has the most sunshine in Havana?

The month with the most sunshine is September, with an average of 10h of sunshine.

How many hours of sunshine does Havana have in September?

In September, the average sunshine in Havana, Cuba, is 10h.

What is the UV index intensity in September in Havana?

The average UV index in September in Havana, Cuba, is 11.
Average temperature in September - Havana, Cuba
  • Average high temperature in September: 31°C

The warmest month (with the highest average high temperature) is August (31.6°C).
The month with the lowest average high temperature is January (25.8°C).

  • Average low temperature in September: 23.8°C

The month with the highest average low temperature is August (24.1°C).
Coldest months (with the lowest average low temperature) are January and February (18.6°C).

Average humidity in September - Havana, Cuba
  • Average humidity in September: 79%

The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is April (72%).

Average rainfall in September - Havana, Cuba
  • Average rainfall in September: 144.4mm

The wettest month (with the highest rainfall) is June (182.3mm).
The driest month (with the lowest rainfall) is March (46.2mm).

Average rainfall days in September - Havana, Cuba
  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is October (11 days).
Months with the lowest number of rainy days are March and April (3 days).

Average sea temperature in September - Havana, Cuba
  • Average sea temperature in September: 29.4°C

The best month for swimming (with the highest average sea temperature) is August (30.2°C).
The coldest month (with the lowest average sea temperature) is January (24.7°C).

Average daylight in September / Average sunshine in September - Havana, Cuba
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.5h).
The month with shortest days is December (Average daylight: 10.7h).

  • Average sunshine in September: 10h

The month with most sunshine is September (Average sunshine: 10h).
Months with least sunshine are January, February, November and December (Average sunshine: 7).

Average UV index in September - Havana, Cuba
  • Average UV index in September: 11

Months with the highest UV index are April, May and June (UV index 12).
Months with the lowest UV index are January and December (UV index 6).

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