September weather forecast
The Gambia

In September, The Gambia continues to experience the rainy season, although rainfall begins to lessen compared to the peak rainy months of July and August. September sees a decrease in average precipitation, with around 150mm (5.91") of rainfall expected. Despite this reduction, rainfall remains significant and contributes to maintaining high humidity levels throughout the country.

Average daytime temperatures during September remain fairly consistent with the preceding months, typically ranging between 29°C (84.2°F) and 31°C (87.8°F). At night, temperatures drop to 23°C (73.4°F), offering a cooler respite from the daytime heat.

Banjul, the coastal capital city, continues to experience similar weather conditions to the rest of the country, though with slightly lower temperatures due to the moderating influence of the Atlantic Ocean. The city receives a similar amount of rainfall and experiences comparable levels of humidity.

Compared to August, September brings a reduction in rainfall, indicating the gradual transition from the peak of the rainy season towards its end. Moving into October, The Gambia experiences a further decrease in rainfall and a slight drop in temperatures as the country moves towards the dry season.

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• Banjul - September »
  In Banjul the average seawater temperature in September is 28°C (82.4°F). A mean low-temperature of 26.1°C (79°F) is a distinguishing feature of September in Banjul indicating a slight dip from daytime highs.
• Brikama - September »
  August and September, with an average relative humidity of 80%, are the most humid months in Brikama, The Gambia. The months with the highest humidity in Brikama are August and September, with an average relative humidity of 80%.
• Bakau - September »
  August and September, with an average relative humidity of 80%, are most humid months in Bakau. In Bakau, during September, the rain falls for 17.6 days and regularly aggregates up to 121mm (4.76") of precipitation.
• Farafenni - September »
  In Farafenni in September, during 19.9 rainfall days, 94mm (3.7") of precipitation is typically accumulated. The months with the lowest UV index in Farafenni are January, February, July through September, November and December, with an average maximum UV index of 7.
• Lamin - September »
  On the last day of September, in Lamin sunrise is at 06:55 and sunset at 18:57 GMT. In Lamin the average relative humidity in September is 80%.
• Gunjur - September »
  August and September, with an average relative humidity of 80%, are most humid months in Gunjur, The Gambia. In Gunjur, The Gambia, in September, during 18.5 rainfall days, 122mm (4.8") of precipitation is typically accumulated.
• Soma - September »
  The months with the lowest UV index in Soma, The Gambia, are January, February, July through September, November and December, with an average maximum UV index of 7. The most humid month in Soma is September, with an average relative humidity of 80%.
• Bansang - September »
  August and September, with an average relative humidity of 84%, are the most humid months in Bansang. On the last day of September, in Bansang, The Gambia, sunrise is at 06:47 and sunset at 18:49 GMT.