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 about 229 mm of rain in the month. It warms up by about 2°C into October.
Day
29°C
Night
26°C
Sea
30°C
Rain
229 mm
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: about 229 mm of rain falls in the month.
That is 9°C warmer than an average September day in London.
Of the 56 sun destinations we track, The Gambia is the #28 warmest in September.
Going to The Gambia in September?
Share the TikToks and Instagram Reels you've saved for The Gambia to Dream Trip. It finds the places, pins them on a map and builds your days around them.
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.
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: about 229 mm of rain falls in the month.
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. Rain is the average monthly total. 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.
Planning The Gambia in September?
Save the restaurants, beaches and views you find on TikTok and Instagram for The Gambia straight to a map, then let Dream Trip turn them into a day-by-day plan.
