September weather forecast
Burundi

September in Burundi marks the beginning of the long rainy season. During this month, the country sees a significant increase in rainfall compared to August, with precipitation levels averaging between 100mm (3.94") and 130mm (5.12"). This increase in rainfall signifies the transition from the dry season to the rainy season.

Despite the rise in precipitation, temperature averages remain relatively stable, ranging between 20°C (68°F) and 23°C (73.4°F). However, the increased rainfall can result in slightly cooler conditions, particularly in higher-altitude areas such as the central plateau region and the city of Gitega, where temperatures can dip to 17°C (62.6°F).

The city of Bujumbura, situated near Lake Tanganyika, experiences warmer conditions with temperatures ranging between 23°C (73.4°F) and 26°C (78.8°F). The city, like the rest of the country, sees a significant increase in rainfall during September, marking the onset of the long rainy season.

Comparatively, September experiences more rainfall than August, marking a shift from the dry weather pattern of the previous months. The climate remains relatively warm, but the humidity level rises due to the increased rainfall.

As September progresses, the rain continues to fall more frequently, indicating the rainy season is well underway. This trend of increasing rainfall and humidity sets the stage for the months to come, with October and November being the wettest months of the year.

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• Bujumbura - September »
  The months with the lowest humidity in Bujumbura are August and September, with an average relative humidity of 62%. August and September, with an average relative humidity of 62%, are the least humid months in Bujumbura.
• Bururi - September »
  January through July, September through December, with an average maximum UV index of 5, are months with the lowest UV index in Bururi, Burundi. In Bururi, in September, during 16.7 rainfall days, 77mm (3.03") of precipitation is typically accumulated.
• Makamba - September »
  The months with the lowest UV index in Makamba, Burundi, are January through July, September through December, with an average maximum UV index of 5. In Makamba in September, it is raining for 16.7 days, with typically 77mm (3.03") of accumulated precipitation.
• Karuzi - September »
  In Karuzi, in September, during 19.2 rainfall days, 73mm (2.87") of precipitation is typically accumulated. On the first day of September in Karuzi, sunrise is at 05:57 and sunset at 18:01.
• Muramvya - September »
  On the first day of September in Muramvya sunrise is at 06:00 and sunset at 18:03. Muramvya starts September with an average high-temperature of a still warm 23.3°C (73.9°F), a minor shift from August's 23.2°C (73.8°F).
• Gitega - September »
  September is the month when Gitega's temperatures reach their peak, with averages of 24.8°C (76.6°F) and lows of 15.7°C (60.3°F). In Gitega, in September, during 16.7 rainfall days, 77mm (3.03") of precipitation is typically accumulated.
• Ngozi - September »
  In Ngozi in September, during 20.7 rainfall days, 79mm (3.11") of precipitation is typically accumulated. September in Ngozi, Burundi marks a gradual shift from the dry season to rainier weather, with a relative increase in humidity.
• Muyinga - September »
  In Muyinga in September, it is raining for 19.2 days, with typically 73mm (2.87") of accumulated precipitation. July through September, with an average maximum UV index of 6, are months with the highest UV index in Muyinga, Burundi.
• Mwaro - September »
  The month with the most sunshine in Mwaro is September, with an average of 10h of sunshine. Mwaro's September weather, with an average high temperature of 24.8°C (76.6°F) and an average low temperature of 15.7°C (60.3°F), tends to be the warmest of the year.
• Bubanza - September »
  The months with the lowest humidity in Bubanza are August and September, with an average relative humidity of 62%. As August transitions into September, Bubanza records an average high-temperature of a still warm 23.3°C (73.9°F), showing a gentle shift from the preceding month.
• Ruyigi - September »
  The months with the lowest UV index in Ruyigi are January through July, September through December, with an average maximum UV index of 5. On the first day of September in Ruyigi sunrise is at 05:57 and sunset at 18:00.
• Kirundo - September »
  On the first day of September in Kirundo, sunrise is at 05:57 and sunset at 18:01. In Kirundo, in September, it is raining for 19.2 days, with typically 73mm (2.87") of accumulated precipitation.