Cap Estate
Saint Lucia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Cap Estate, Saint Lucia

The first month of the autumn, September, is still a hot month in Cap Estate, Saint Lucia, with average temperature varying between 30°C (86°F) and 24°C (75.2°F).

Temperature

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

Rainfall

In Cap Estate, in September, during 25 rainfall days, 224mm (8.8") of precipitation is typically accumulated. Throughout the year, there are 209 rainfall days, and 2035mm (80.1") of precipitation is accumulated.

Sea temperature

September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Cap Estate. 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

The average length of the day in September is 12.2h.

Sunshine

Months with the most sunshine in Cap Estate are January through September, November and December, with an average of 8h of sunshine.

UV index

Months with the highest UV index in Cap Estate are March through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
The average daily UV index of 12 transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for 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. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What are the warmest months in Cap Estate?

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

What is the temperature in September in Cap Estate?

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

How much does it rain in Cap Estate in September?

In Cap Estate, Saint Lucia, in September, it is raining for 25 days, with typically 224mm (8.8") of accumulated precipitation.

What months are the sea warmest in Cap Estate?

September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Cap Estate, Saint Lucia. 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.

What is the sea water temperature in September in Cap Estate?

In Cap Estate, Saint Lucia, in September, the average water temperature 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 Cap Estate have in September?

In Cap Estate, Saint Lucia, the average length of the day in September is 12.2h.

What is the month with the most sunshine in Cap Estate?

Months with the most sunshine in Cap Estate, Saint Lucia, are January through September, November and December, with an average of 8h of sunshine.

How long on average sun shines in September in Cap Estate?

The average sunshine in September is 8h.

What are the months with the highest UV index in Cap Estate?

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

What is the UV index intensity in September in Cap Estate?

In Cap Estate, Saint Lucia, the average daily maximum UV index in September is 12. A UV Index reading of 11, and higher, represents an extreme health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Cap Estate, 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

The month with the highest average low temperature is July (25°C).
Coldest months (with the lowest average low temperature) are January, February and March (22°C).

Average rainfall in September - Cap Estate, Saint Lucia
  • Average rainfall in September: 224mm

The wettest month (with the highest rainfall) is October (269mm).
The driest month (with the lowest rainfall) is March (76mm).

Average rainfall days in September - Cap Estate, Saint Lucia
  • Average rainfall days in September: 25 days

The month with the highest number of rainy days is September (25 days).
The month with the lowest number of rainy days is April (11 days).

Average sea temperature in September - Cap Estate, Saint Lucia
  • Average sea temperature in September: 29°C

Best months for swimming (with the highest average sea temperature) are September and October (29°C).
Coldest months (with the lowest average sea temperature) are February and March (26°C).

Average daylight in September / Average sunshine in September - Cap Estate, Saint Lucia
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13h).
The month with shortest days is December (Average daylight: 11.3h).

  • Average sunshine in September: 8h

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

Average UV index in September - Cap Estate, Saint Lucia
  • Average UV index in September: 12

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).