September weather forecast
Praslin, Saint Lucia

Weather in September

September, the first month of the autumn in Praslin, is also a moderately hot month, with temperature in the range of an average high of 29.5°C (85.1°F) and an average low of 27.6°C (81.7°F).

Temperature

September and October, with an average high-temperature of 29.5°C (85.1°F), are the warmest months.

Heat index

The average heat index in September is evaluated at a torrid 35°C (95°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 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', 'real feel', 'apparent temperature', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, clothing, differences in body mass, height, and shape), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

In September, the average relative humidity in Praslin is 75%.

Rainfall

In Praslin, it is raining for 19.5 days, with typically 64mm (2.52") of accumulated precipitation. In Praslin, during the entire year, the rain falls for 232.4 days and collects up to 542mm (21.34") of precipitation.

Daylight

In Praslin, the average length of the day in September is 12h and 12min.
On the first day of September in Praslin, sunrise is at 05:52 and sunset at 18:15. On the last day of the month, sunrise is at 05:53 and sunset at 17:54 AST.

Sunshine

In September, the average sunshine in Praslin is 10.1h.

UV index

The months with the highest UV index in Praslin, Saint Lucia, are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Praslin. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 7 in September transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What are the warmest months in Praslin?

Warmest months in Praslin are September and October, with an average high-temperature of 29.5°C (85.1°F).

What is the temperature in September in Praslin?

In Praslin, in September, the average high-temperature is 29.5°C (85.1°F), and the average low-temperature is 27.6°C (81.7°F). in September, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 35°C (95°F).

What is the average humidity in September in Praslin?

In Praslin, Saint Lucia, the average relative humidity in September is 75%.

How many days does it rain in September in Praslin?

In Praslin, Saint Lucia, in September, it is raining for 19.5 days, with typically 64mm (2.52") of accumulated precipitation.

How many hours of daylight does Praslin have in September?

In Praslin, Saint Lucia, the average day length in September is 12h and 12min.

When are sunrise and sunset in September in Praslin?

In September, on the first day of the month, sunrise is at 05:52 and sunset at 18:15. On the last day of the month, in Praslin, Saint Lucia, sunrise is at 05:53 and sunset at 17:54 AST.

How many hours of sunshine does Praslin have in September?

In September, the average sunshine duration in Praslin is 10.1h.

When is the highest UV index in Praslin?

The months with the highest UV index in Praslin, Saint Lucia, are January through December, with an average maximum UV index of 7.

When is the lowest UV index in Praslin?

The months with the lowest UV index in Praslin are January through December, with an average maximum UV index of 7.

What is the UV index intensity in September in Praslin?

In September, the average daily maximum UV index in Praslin, Saint Lucia, is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.

Average temperature in September
Praslin, Saint Lucia

Average temperature in September - Praslin, Saint Lucia
  • Average high temperature in September: 29.5°C

The warmest months (with the highest average high temperature) are September and October (29.5°C).
The month with the lowest average high temperature is February (26.8°C).

  • Average low temperature in September: 27.6°C

The month with the highest average low temperature is September (27.6°C).
The coldest month (with the lowest average low temperature) is February (25.3°C).

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Average pressure in September
Praslin, Saint Lucia

Average pressure in September - Praslin, Saint Lucia
  • Average pressure in September: 1012.5mbar

The month with the highest atmospheric pressure is June (1014.9mbar).
The month with the lowest atmospheric pressure is November (1011.3mbar).

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Average wind speed in September
Praslin, Saint Lucia

Average wind speed in September - Praslin, Saint Lucia
  • Average wind speed in September: 18.3km/h

The windiest month (with the highest average wind speed) is February (26.9km/h).
The calmest month (with the lowest average wind speed) is September (18.3km/h).

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Average humidity in September
Praslin, Saint Lucia

Average humidity in September - Praslin, Saint Lucia
  • Average humidity in September: 75%

The month with the highest relative humidity is July (77%).
The months with the lowest relative humidity are January and February (74%).

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Average rainfall in September
Praslin, Saint Lucia

Average rainfall in September - Praslin, Saint Lucia
  • Average rainfall in September: 64mm

The wettest month (with the highest rainfall) is October (73mm).
The driest month (with the least rainfall) is February (18mm).

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Average rainfall days in September
Praslin, Saint Lucia

Average rainfall days in September - Praslin, Saint Lucia
  • Average rainfall days in September: 19.5 days

The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (15 days).

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Average daylight in September /
Average sunshine in September
Praslin, Saint Lucia

Average daylight in September / Average sunshine in September - Praslin, Saint Lucia
  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 12h and 56min).
The month with the shortest days is December (Average daylight: 11h and 20min).

  • Average sunshine in September: 10h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in September
Praslin, Saint Lucia

Average sunshine days in September - Praslin, Saint Lucia
  • Average sunshine days in September: 7.1 days

The month with the most sunshine days is March (9.1 days).
The month with the least sunshine days is July (3.6 days).

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Average UV index in September
Praslin, Saint Lucia

Average UV index in September - Praslin, Saint Lucia
  • Average UV index in September: 7

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

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Average cloud cover in September
Praslin, Saint Lucia

Average cloud cover in September - Praslin, Saint Lucia
  • Average cloud cover in September: 37

The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 35).

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Average visibility in September
Praslin, Saint Lucia

Average visibility in September - Praslin, Saint Lucia
  • Average visibility in September: 10km

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

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