September weather forecast
Senegal

September in Senegal sees a gradual reduction in rainfall as the country begins transitioning from the rainy season to the dry season. Average temperatures during this month fluctuate from a comfortable 24°C (75.2°F) during the cooler hours to about 30°C (86°F) during the day. Dakar's weather aligns with these conditions, with a gradual decline in the frequency of rain showers and a slight drop in humidity levels.

Compared to August, September experiences a decrease in precipitation, offering respite from the heavy rains of the previous months. This period signifies the beginning of the end of the rainy season and the gradual return to the arid conditions that dominate much of the year. Despite this, temperatures remain steady, although the reduced humidity often results in a more comfortable climate.

September does not set any extremes in Senegal's climate calendar. However, as a month of transition, it offers a unique blend of lingering rains and emerging dry days.

The weather in Saint-Louis is similar to the rest of the country, with a gradual reduction in rainfall. In contrast, the Casamance region continues to experience slightly warmer conditions, with temperatures ranging from 25°C (77°F) to 33°C (91.4°F). Despite the dwindling rainfall, the region remains lush and vibrant, offering an enriched experience to visitors.

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• Dakar - September »
  The month with the most rainfall in Dakar is September, when the rain falls for 13.3 days and typically aggregates up to 88mm (3.46") of precipitation. September is the month with the warmest seawater with an average sea temperature of 28.7°C (83.7°F).
• Touba - September »
  In Touba, Senegal, in September, during 13.5 rainfall days, 61mm (2.4") of precipitation is typically accumulated. September and October, with an average maximum UV index of 8, are months with the highest UV index in Touba, Senegal.
• Thies - September »
  In Thies in September, during 14.5 rainfall days, 57mm (2.24") of precipitation is typically accumulated. The most humid month in Thies is September, with an average relative humidity of 74%.
• Ziguinchor - September »
  In Ziguinchor, during September, the rain falls for 18 days and regularly aggregates up to 343mm (13.5") of precipitation. The months with the highest UV index in Ziguinchor are February through September, with an average maximum UV index of 12.
• Rufisque - September »
  Rufisque in September transitions from the preceding heavy rainfall to slightly reduced precipitation while still maintaining a high level of humidity. In Rufisque, Senegal, during September, the rain falls for 14.6 days and regularly aggregates up to 72mm (2.83") of precipitation.
• Louga - September »
  In Louga, Senegal, during September, the rain falls for 12.9 days and regularly aggregates up to 47mm (1.85") of precipitation. The arrival of September in Louga coincides with an average high-temperature of a still tropical 34.5°C (94.1°F), indicating a minimal shift from August's 33.6°C (92.5°F).
• Tambacounda - September »
  In September, Tambacounda, Senegal starts to show signs of the monsoon receding with a drop in humidity and rainfall from the heavy showers of August. August and September, with an average relative humidity of 76%, are most humid months in Tambacounda.
• Kolda - September »
  August and September, with an average relative humidity of 84%, are most humid months in Kolda, Senegal. In Kolda during September, the rain falls for 23.3 days and regularly aggregates up to 142mm (5.59") of precipitation.
• Diourbel - September »
  The most humid month in Diourbel is September, with an average relative humidity of 74%. January, February, July through September, November and December, with an average maximum UV index of 7, are months with the lowest UV index in Diourbel, Senegal.
• Sedhiou - September »
  On the last day of September, in Sedhiou, sunrise is at 06:51 and sunset at 18:52 GMT. In Sedhiou, during September, the rain falls for 23.7 days and regularly aggregates up to 152mm (5.98") of precipitation.
• Kedougou - September »
  On the first day of September in Kedougou, sunrise is at 06:37 and sunset at 18:59. In Kedougou, Senegal, in September, during 24.5 rainfall days, 139mm (5.47") of precipitation is typically accumulated.