September weather forecast and climate
Grande Anse, Guadeloupe GP

• 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: 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: 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: 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: 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: 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).