The Gambia weather in September

The Gambia averages 29°C by day and 26°C at night in September, with the sea at 30°C and 21 days with at least 1 mm of rain. It warms up by about 2°C into October.

Day

29°C

Night

26°C

Sea

30°C

Rainy days

21

Flight from London

6h

What September feels like

September is hot but wet in The Gambia: rainy season, so pack for showers.

The sea is warm at 30°C: comfortable for long swims.

It is rainy season, with rain on about 21 days.

Of the 48 sun destinations we track, The Gambia is the #22 warmest in September.

Want it warmer in September?

These are hotter than The Gambia this month for at most an hour and a half more flying:

The Gambia weather by month

September is highlighted. Compare with August and October, or see the full year in The Gambia.

MonthDayNightSeaRainy days
January31°C21°C23°C0
February31°C21°C23°C0
March30°C21°C24°C0
April29°C22°C25°C0
May28°C22°C27°C0
June29°C25°C29°C3
July29°C26°C30°C17
August29°C25°C30°C24
September29°C26°C30°C21
October31°C26°C31°C7
November32°C25°C29°C1
December31°C22°C25°C0

The Gambia in September: quick answers

Is The Gambia hot in September?

September is hot but wet in The Gambia: rainy season, so pack for showers. Average highs are 29°C and lows 26°C.

Can you swim in The Gambia in September?

The sea is warm at 30°C: comfortable for long swims.

Does it rain in The Gambia in September?

It is rainy season, with rain on about 21 days.

What is the warmest month in The Gambia?

November, at an average high of 32°C. The coolest is May at 28°C.

How long is the flight to The Gambia from the UK?

About 6h direct from London, estimated from the 4,471 km distance. Check your airline for exact times.

Still choosing? See where is hot in September for every destination ranked by temperature, sea and flight time.

How we measured this

Averages of every day in September from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.

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