September weather forecast
Grande Anse, Guadeloupe

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Weather in September

September portends cooler weather in Grande Anse as the temperatures spiral down from summer highs. The city experiences the highest level of cloud coverage at 38%, softly filtering the sunlight. It's also the wettest month, with an average rainfall of 82mm (3.23"), sprucing up the city's greenery. The daylight hours decrease to 12.2 hours, casting evenly spread light throughout the day. Adding to the fresh appeal, the wind speed registers a remarkable drop, averaging at 19.8km/h (12.3mph), promising calm and composed surroundings.

Temperature

The warmest temperatures in Grande Anse occur during September, when averages reach a peak of 29.1°C (84.4°F) and a low of 27.6°C (81.7°F).

Heat index

The heat index value for September is calculated to be a hot 34°C (93.2°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.
The standards for the heat index are set for locations in shade and under light breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

The average relative humidity in September in Grande Anse is 76%.

Rainfall

September is the month with the most rainfall in Grande Anse, Guadeloupe. Rain falls for 20 days and accumulates 82mm (3.23") 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 Grande Anse.
Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.

Daylight

The average length of the day in September in Grande Anse is 12h and 13min.
On the first day of the month, sunrise is at 05:54 and sunset at 18:19. On the last day of September, in Grande Anse, sunrise is at 05:57 and sunset at 17:56 AST.

Sunshine

The months with the most sunshine in Grande Anse, Guadeloupe, are August and September, with an average of 10.1h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Grande Anse. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 7 in September transforms into this advice:
Deter overexposure. Protecting against the sun's effects is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Alert! UV radiation becomes sharper due to reflections from sand and water.
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Frequently asked questions

What is the warmest month in Grande Anse?

September, with an average high of 29.1°C (84.4°F) and a low of 27.6°C (81.7°F), signifies the warmest month of the year in Grande Anse.

Is it hot in Grande Anse during September?

In Grande Anse, 29.1°C (84.4°F) is the average high-temperature and 27.6°C (81.7°F) is the average low-temperature during September. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in September is calculated to be 34°C (93.2°F).

What is the average humidity in September in Grande Anse?

In September, the average relative humidity in Grande Anse, Guadeloupe, is 76%.

What is the rainiest month in Grande Anse?

September is the month with the most rainfall in Grande Anse, Guadeloupe. Rain falls for 20 days and accumulates 82mm (3.23") of precipitation.

How many days does it rain in September in Grande Anse?

In Grande Anse, Guadeloupe, in September, during 20 rainfall days, 82mm (3.23") of precipitation is typically accumulated.

What months are the sea warmest in Grande Anse?

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

What is the water temperature in September in Grande Anse?

In Grande Anse, Guadeloupe, the average seawater temperature in September is 29°C (84.2°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 Grande Anse have in September?

In September, the average day length in Grande Anse, Guadeloupe, is 12h and 13min.

When are sunrise and sunset in September in Grande Anse?

In September, on the first day of the month, sunrise is at 05:54 and sunset at 18:19. On the last day of the month, in Grande Anse, sunrise is at 05:57 and sunset at 17:56 AST.

What are the months with the most sunshine in Grande Anse?

August and September, with an average of 10.1h of sunshine, are months with the most sunshine in Grande Anse.

How many hours of sunshine does Grande Anse have in September?

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

When is the highest UV index in Grande Anse?

The months with the highest UV index in Grande Anse are January through December, with an average maximum UV index of 7.

What are the months with the lowest UV index in Grande Anse?

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

What is the UV index reading in September in Grande Anse?

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

Average temperature in September
Grande Anse, Guadeloupe

Average temperature in September - Grande Anse, Guadeloupe
  • Average high temperature in September: 29.1°C

The warmest month (with the highest average high temperature) is September (29.1°C).
The month with the lowest average high temperature is January (26.2°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 (24.8°C).

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Average pressure in September
Grande Anse, Guadeloupe

Average pressure in September - Grande Anse, Guadeloupe
  • Average pressure in September: 1012.9mbar

The month with the highest atmospheric pressure is June (1015.7mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).

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Average wind speed in September
Grande Anse, Guadeloupe

Average wind speed in September - Grande Anse, Guadeloupe
  • Average wind speed in September: 19.8km/h

The windiest month (with the highest average wind speed) is January (26.1km/h).
The calmest month (with the lowest average wind speed) is October (19.3km/h).

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Average humidity in September
Grande Anse, Guadeloupe

Average humidity in September - Grande Anse, Guadeloupe
  • Average humidity in September: 76%

The months with the highest relative humidity are May, June, July, August and November (77%).
The month with the lowest relative humidity is February (74%).

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Average rainfall in September
Grande Anse, Guadeloupe

Average rainfall in September - Grande Anse, Guadeloupe
  • Average rainfall in September: 82mm

The wettest month (with the highest rainfall) is September (82mm).
The driest month (with the least rainfall) is February (23mm).

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Average rainfall days in September
Grande Anse, Guadeloupe

Average rainfall days in September - Grande Anse, Guadeloupe
  • Average rainfall days in September: 20 days

The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is March (16.2 days).

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Average sea temperature in September
Grande Anse, Guadeloupe

Average sea temperature in September - Grande Anse, Guadeloupe
  • 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 and March (26°C).

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Average daylight in September /
Average sunshine in September
Grande Anse, Guadeloupe

Average daylight in September / Average sunshine in September - Grande Anse, Guadeloupe
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in September: 10h and 1min

The months with the most sunshine are August and September (Average sunshine: 10h and 6min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).

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Average sunshine days in September
Grande Anse, Guadeloupe

Average sunshine days in September - Grande Anse, Guadeloupe
  • Average sunshine days in September: 6.9 days

The month with the most sunshine days is March (7.9 days).
The month with the least sunshine days is July (4.2 days).

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Average UV index in September
Grande Anse, Guadeloupe

Average UV index in September - Grande Anse, Guadeloupe
  • 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
Grande Anse, Guadeloupe

Average cloud cover in September - Grande Anse, Guadeloupe
  • Average cloud cover in September: 38

The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is February (Cloud cover 34).

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Average visibility in September
Grande Anse, Guadeloupe

Average visibility in September - Grande Anse, Guadeloupe
  • 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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Grande Anse, Guadeloupe

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