September weather forecast and climate
Vieux Fort, Saint Lucia

September, the first month of the autumn, in Vieux Fort, is still a hot month, with average temperature ranging between min. 24°C (75.2°F) and max. 30°C (86°F).

Temperature

May through October, with an average high-temperature of 30°C (86°F), are warmest months.

Rainfall

In Vieux Fort, in September, during 23 rainfall days, 267mm (10.5") of precipitation is typically accumulated. Throughout the year, there are 203 rainfall days, and 2344mm (92.3") of precipitation is accumulated.

Sea temperature

The month with the warmest seawater in Vieux Fort is September, with an average sea temperature of 29.6°C (85.3°F). 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 Vieux Fort, the average length of the day in September is 12.2h.

Sunshine

September and October, with an average of 7h of sunshine, are months with the least sunshine.

UV index

February through September, with an average UV index of 12, are months with the highest UV index.

What are the warmest months in Vieux Fort?

May through October, with an average high-temperature of 30°C (86°F), are warmest months in Vieux Fort, Saint Lucia.

What is the temperature in September in Vieux Fort?

In September, in Vieux Fort, Saint Lucia, the average high-temperature is 30°C (86°F), and the average low-temperature is 24°C (75.2°F).

How many days does it rain in September in Vieux Fort?

In Vieux Fort, Saint Lucia, in September, it is raining for 23 days, with typically 267mm (10.5") of accumulated precipitation.

What month is the sea warmest in Vieux Fort?

With an average sea temperature of 29.6°C (85.3°F), September is the month with the warmest seawater. 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.

What is the water temperature in September in Vieux Fort?

In Vieux Fort, in September, the average water temperature is 29.6°C (85.3°F). 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.

How many hours of daylight does Vieux Fort have in September?

In Vieux Fort, the average length of the day in September is 12.2h.

What is the month with the least sunshine in Vieux Fort?

Months with the least sunshine are September and October, with an average of 7h of sunshine.

How many hours of sunshine does Vieux Fort have in September?

In Vieux Fort, the average sunshine in September is 7h.

What are the months with the highest UV index in Vieux Fort?

Months with the highest UV index in Vieux Fort, Saint Lucia, are February through September, with an average UV index of 12.

What is the UV index intensity in September in Vieux Fort?

The average UV index in September is 12.
Average temperature in September - Vieux Fort, Saint Lucia
  • Average high temperature in September: 30°C

Warmest months (with the highest average high temperature) are May, June, July, August, September and October (30°C).
Months with the lowest average high temperature are January and February (28°C).

  • Average low temperature in September: 24°C

Months with the highest average low temperature are May, June, July, August, September and October (24°C).
Coldest months (with the lowest average low temperature) are January and February (22°C).

Average rainfall in September - Vieux Fort, Saint Lucia
  • Average rainfall in September: 267mm

The wettest month (with the highest rainfall) is October (328mm).
The driest month (with the lowest rainfall) is February (96mm).

Average rainfall days in September - Vieux Fort, Saint Lucia
  • Average rainfall days in September: 23 days

The month with the highest number of rainy days is September (23 days).
The month with the lowest number of rainy days is April (10 days).

Average sea temperature in September - Vieux Fort, Saint Lucia
  • Average sea temperature in September: 29.6°C

The best month for swimming (with the highest average sea temperature) is September (29.6°C).
Coldest months (with the lowest average sea temperature) are February and March (27.2°C).

Average daylight in September / Average sunshine in September - Vieux Fort, Saint Lucia
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.3h).

  • Average sunshine in September: 7h

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

Average UV index in September - Vieux Fort, Saint Lucia
  • Average UV index in September: 12

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).

deutscheenglishespañolрусский中文