September weather forecast and climate
Serrekunda, The Gambia GM

• Average high temperature in September: 31°C

Warmest months (with the highest average high temperature) are March and April (34°C).
The month with the lowest average high temperature is August (30°C).

• Average low temperature in September: 23°C

Months with the highest average low temperature are July, August and September (23°C).
The coldest month (with the lowest average low temperature) is January (16°C).

• Average rainfall in September: 273mm

The wettest month (with the highest rainfall) is August (375mm).
Driest months (with the lowest rainfall) are March and April (0mm).

• Average rainfall days in September: 14 days

The month with the highest number of rainy days is August (17 days).
Months with the lowest number of rainy days are March, April and December (0 days).

• Average sea temperature in September: 28°C

Best months for swimming (with the highest average sea temperature) are July, August, September, October and November (28°C).
Coldest months (with the lowest average sea temperature) are February and March (21°C).

• Average daylight in September: 12h

Months with the longest days are May, June, July and August (Average daylight: 13h).
Months with shortest days are January and December (Average daylight: 11h).

• Average sunshine in September: 7h

The month with most sunshine is April (Average sunshine: 10h).
The month with least sunshine is August (Average sunshine: 6h).

• Average UV index in September: 12

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).