September weather forecast and climate
Anse La Raye, Saint Lucia

Weather in September

The first month of the autumn, September, is a tropical month in Anse La Raye, Saint Lucia, with average temperature fluctuating between 30.3°C (86.5°F) and 27°C (80.6°F).

Temperature

With an average high-temperature of 30.3°C (86.5°F) and an average low-temperature of 27°C (80.6°F), September is the warmest month.

Heat index

The average heat index is calculated to a torrid 36.6°C (97.9°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, metabolic differences, wind), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

Months with the lowest humidity in Anse La Raye are January through March and September, with an average relative humidity of 73%.

Rainfall

In Anse La Raye, during September, the rain falls for 20.3 days and regularly aggregates up to 63mm (2.48") of precipitation. In Anse La Raye, during the entire year, the rain falls for 255.2 days and collects up to 560mm (22.05") of precipitation.

Sea temperature

September and October, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Anse La Raye.
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 Anse La Raye, the average length of the day in September is 12.2h.

Sunshine

The average sunshine in September is 9.6h.

UV index

January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the warmest month in Anse La Raye?

With an average high-temperature of 30.3°C (86.5°F) and an average low-temperature of 27°C (80.6°F), September is the warmest month in Anse La Raye, Saint Lucia.

What is the temperature in September in Anse La Raye?

In September, in Anse La Raye, the average high-temperature is 30.3°C (86.5°F), and the average low-temperature is 27°C (80.6°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that takes the relative humidity and factores it into the air temperature reading, in September is estimated at 36.6°C (97.9°F).

What are the least humid months in Anse La Raye?

January through March and September, with an average relative humidity of 73%, are the least humid months in Anse La Raye.

What is the average humidity in September in Anse La Raye?

The average relative humidity in September in Anse La Raye is 73%.

How many days does it rain in September in Anse La Raye?

In September, in Anse La Raye, the rain falls for 20.3 days. Throughout September, 63mm (2.48") of precipitation is accumulated.

When is the sea warmest in Anse La Raye?

Months with the warmest seawater in Anse La Raye, Saint Lucia, are September and October, with an average sea temperature of 29°C (84.2°F).

How warm is the water in September in Anse La Raye?

In September, the average sea temperature in Anse La Raye 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 Anse La Raye have in September?

In September, the average length of the day in Anse La Raye, Saint Lucia, is 12.2h.

How many hours of sunshine does Anse La Raye have in September?

The average sunshine in September in Anse La Raye, Saint Lucia, is 9.6h.

What are the months with the highest UV index in Anse La Raye?

Months with the highest UV index in Anse La Raye are January through May, July through December, with an average maximum UV index of 7.

What is the UV index intensity in September in Anse La Raye?

In Anse La Raye, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.

Average temperature in September
Anse La Raye, Saint Lucia

Average temperature in September - Anse La Raye, Saint Lucia
  • Average high temperature in September: 30.3°C

The warmest month (with the highest average high temperature) is September (30.3°C).
Months with the lowest average high temperature are January and February (27.5°C).

  • Average low temperature in September: 27°C

The month with the highest average low temperature is October (27.2°C).
The coldest month (with the lowest average low temperature) is March (25°C).

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Average pressure in September
Anse La Raye, Saint Lucia

Average pressure in September - Anse La Raye, Saint Lucia
  • Average pressure in September: 1012.6mbar

The month with the highest atmospheric pressure is June (1015mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

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Average wind speed in September
Anse La Raye, Saint Lucia

Average wind speed in September - Anse La Raye, Saint Lucia
  • Average wind speed in September: 16.7km/h

The windiest month (with the highest average wind speed) is February (24.7km/h).
The calmest month (with the lowest average wind speed) is September (16.7km/h).

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Average humidity in September
Anse La Raye, Saint Lucia

Average humidity in September - Anse La Raye, Saint Lucia
  • Average humidity in September: 73%

Months with the highest relative humidity are May, June, July, August and November (75%).
Months with the lowest relative humidity are January, February, March and September (73%).

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Average rainfall in September
Anse La Raye, Saint Lucia

Average rainfall in September - Anse La Raye, Saint Lucia
  • Average rainfall in September: 63mm

The wettest month (with the highest rainfall) is August (82mm).
The driest month (with the least rainfall) is February (19mm).

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Average rainfall days in September
Anse La Raye, Saint Lucia

Average rainfall days in September - Anse La Raye, Saint Lucia
  • Average rainfall days in September: 20.3 days

The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is February (16.4 days).

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Average sea temperature in September
Anse La Raye, Saint Lucia

Average sea temperature in September - Anse La Raye, Saint Lucia
  • Average sea temperature in September: 29°C

The best months for swimming (with the highest average sea temperature) are September and October (29°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (27°C).

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Average daylight in September /
Average sunshine in September
Anse La Raye, Saint Lucia

Average daylight in September / Average sunshine in September - Anse La Raye, Saint Lucia
  • Average daylight in September: 12.2h

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

  • Average sunshine in September: 9.6h

The month with the most sunshine is April (Average sunshine: 9.8h).
The month with the least sunshine is December (Average sunshine: 6.4h).

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Average sunshine days in September
Anse La Raye, Saint Lucia

Average sunshine days in September - Anse La Raye, Saint Lucia
  • Average sunshine days in September: 5.2 days

The month with the most sunshine days is January (7.8 days).
The month with the least sunshine days is July (0.8 days).

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Average UV index in September
Anse La Raye, Saint Lucia

Average UV index in September - Anse La Raye, Saint Lucia
  • Average UV index in September: 7

Months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).

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Average cloud cover in September
Anse La Raye, Saint Lucia

Average cloud cover in September - Anse La Raye, Saint Lucia
  • Average cloud cover in September: 40

Months with the most cloud cover are June and July (Cloud cover 48).
The month with the least cloud cover is February (Cloud cover 38).

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Average visibility in September
Anse La Raye, Saint Lucia

Average visibility in September - Anse La Raye, Saint Lucia
  • Average visibility in September: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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