Weather in Bujumbura in September 2025
Average weather
Average temperature in Bujumbura in September
The expected average maximum temperature in September is +30°C with a maximum of +34°C and a minimum of +20°C.
The average maximum temperature goes up 7% by the end of the month, compared with the beginning of the month, from +32°C to +33°C.
Is Bujumbura warm or cold in September?
Bujumbura is typically warm in September.
Maximum temperatures go up compared to the previous month from +29°C to +29°C. The minimum temperature also goes up from +21°C to +21°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Bujumbura, here is the comparison with other months:
Climate in Bujumbura in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +29°C | +29°C | +29°C | ||||
| Min. temperature | ||||||
| +18°C | +19°C | +19°C | ||||
| Max. temperature | ||||||
| +34°C | +34°C | +34°C | ||||
| Rainfall | ||||||
| 4 mm | 9 mm | 26 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 2 m/s | ||||
| Humidity | ||||||
| 60% | 60% | 62% | ||||
| Air pressure | ||||||
| 1013 HPa | 1012 HPa | 1011 HPa | ||||
| Sunny days | ||||||
| 4 | 2 | 0 | ||||
| Cloudy days | ||||||
| 24 | 23 | 19 | ||||
| Rainy days | ||||||
| 3 | 3 | 7 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as good as in August. The temperature levels stay the same in the area of +29°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 4 mm to 9 mm. Humidity levels don’t change as the month goes on, averaging around 60%. The average wind speed doesn’t change much during September, staying around 3 m/s. The days becoming less sunny, going from 4 sunny days in August to 2 in September.
October brings much the same weather, it remains good.
Wind
The average wind speed is 1 m/s getting up to 2 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Bujumbura is gradually increasing during September, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last September in Bujumbura?
Climate Change over Years
The climate in Bujumbura in September has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+27°C) and the highest in 2023 (+30°C). The driest year was 2005 with only 254 mm of rainfall, and the wettest year was 1989 with 1479 mm.
FAQ
Is September a good time to visit Bujumbura?
Can you sunbathe in Bujumbura in September?
Is Bujumbura rainy in September?
Is it sunny in Bujumbura in September?
Monthly weather in Bujumbura
Source of the data
For this page, we’ve looked at the typical weather in Bujumbura, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.