Grande Anse
Guadeloupe
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Grande Anse, Guadeloupe

September, the first month of the autumn, in Grande Anse, is still a tropical month, with average temperature ranging between min 23°C (73.4°F) and max 30°C (86°F).

Temperature

In September, the average high-temperature is almost the same as in August - a still tropical 30°C (86°F). In September, the average low-temperature is 23°C (73.4°F).

Rainfall

In Grande Anse, during 18 rainfall days, 175mm (6.9") of precipitation is typically accumulated. Throughout the year, there are 191 rainfall days, and 1546mm (60.9") 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 Grande Anse.
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 September, the average length of the day in Grande Anse is 12.2h.

Sunshine

January, February, September through December, with an average of 7h of sunshine, are months with the least sunshine in Grande Anse.

UV index

Months with the highest UV index in Grande Anse are March through September, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an excessive health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 12 translate into the following recommendations:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. 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. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Grande Anse?

The average high-temperature, in September, in Grande Anse, Guadeloupe, is 30°C (86°F), while the average low-temperature is 23°C (73.4°F).

How much does it rain in Grande Anse in September?

In September, in Grande Anse, Guadeloupe, the rain falls for 18 days. Throughout September, 175mm (6.9") of precipitation is accumulated.

When is the sea warmest in Grande Anse?

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 sea water temperature in September in Grande Anse?

In Grande Anse, in September, the average water temperature 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 Grande Anse, Guadeloupe, the average length of the day in September is 12.2h.

What is the month with the least sunshine in Grande Anse?

Months with the least sunshine in Grande Anse are January, February, September through December, with an average of 7h of sunshine.

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

In Grande Anse, Guadeloupe, the average sunshine in September is 7h.

When is the highest UV index in Grande Anse?

Months with the highest UV index in Grande Anse, Guadeloupe, are March through September, with an average maximum UV index of 12.

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

In Grande Anse, the average daily maximum UV index in September is 12. A UV Index of 11, and more, symbolizes an extreme health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Grande Anse, Guadeloupe
  • Average high temperature in September: 30°C

Warmest months (with the highest average high temperature) are July and August (31°C).
Months with the lowest average high temperature are January, February, March, April and December (29°C).

  • Average low temperature in September: 23°C

Months with the highest average low temperature are July and August (24°C).
The coldest month (with the lowest average low temperature) is January (20°C).

Average rainfall in September - Grande Anse, Guadeloupe
  • Average rainfall in September: 175mm

The wettest month (with the highest rainfall) is October (214mm).
The driest month (with the lowest rainfall) is February (55mm).

Average rainfall days in September - Grande Anse, Guadeloupe
  • Average rainfall days in September: 18 days

The month with the highest number of rainy days is October (19 days).
Months with the lowest number of rainy days are February, March and April (13 days).

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

Average daylight in September / Average sunshine in September - Grande Anse, Guadeloupe
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 13.1h).
The month with shortest days is December (Average daylight: 11.2h).

  • Average sunshine in September: 7h

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

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