Climate averages 1991–2020
Bobo-Dioulasso weather
in September.
A hot, wet month: the 11th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Bobo-Dioulasso: daytime highs average 28.9°C and nights cool to about 21.5°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 147 mm of rain on roughly 20 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average September day.
The nearest other city in this atlas is Banfora (78 km away). In September its highs average 29.2°C, about as warm as Bobo-Dioulasso, with 157 mm of rain.
Among the 10 cities listed in Burkina Faso, Bobo-Dioulasso ranks 10th of 10 for the warmest September highs and 9th of 10 for the driest September (rainfall, lowest first). The mean September high of those 10 cities is 30.9°C; Bobo-Dioulasso is 2.0°C cooler than that mean.
From September to October, average highs rise by 2.1°C to 31.0°C, and monthly rainfall falls from 147 mm to 57 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Bobo-Dioulasso climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 33.1°C18.1°C | 18.1°C | 0.3 | 0.1 | 11.512 h |
| February | 35.6°C20.4°C | 20.4°C | 1.1 | 0.4 | 11.812 h |
| March | 37.4°C23.4°C | 23.4°C | 8.5 | 2.3 | 12.112 h |
| April | 37.0°C25.1°C | 25.1°C | 34 | 7.6 | 12.412 h |
| May | 35.1°C24.6°C | 24.6°C | 66 | 12.6 | 12.613 h |
| June | 32.6°C23.3°C | 23.3°C | 76 | 13.9 | 12.813 h |
| July | 29.4°C22.0°C | 22.0°C | 166 | 21.9 | 12.713 h |
| August | 28.0°C21.4°C | 21.4°C | 246 | 24.8 | 12.512 h |
| September, selected | 28.9°C21.5°C | 21.5°C | 147 | 20.1 | 12.212 h |
| October | 31.0°C22.1°C | 22.1°C | 57 | 11.0 | 11.912 h |
| November | 33.3°C20.2°C | 20.2°C | 3.8 | 0.9 | 11.612 h |
| December | 33.0°C18.3°C | 18.3°C | 0 | 0.0 | 11.511 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Banfora in SeptemberBurkina Faso · 78 kmHigh 29.2°C · Low 21.7°C · 157 mm rain
- Houndé in SeptemberBurkina Faso · 92 kmHigh 29.6°C · Low 22.1°C · 140 mm rain
- Sikasso in SeptemberMali · 150 kmHigh 29.4°C · Low 22.0°C · 188 mm rain
- Koutiala in SeptemberMali · 185 kmHigh 30.3°C · Low 22.6°C · 141 mm rain
- Jirapa in SeptemberGhana · 188 kmHigh 29.2°C · Low 21.9°C · 155 mm rain
- Ferkessédougou in SeptemberIvory Coast · 202 kmHigh 29.2°C · Low 21.8°C · 176 mm rain
- Wa in SeptemberGhana · 232 kmHigh 28.9°C · Low 21.9°C · 190 mm rain
- Korhogo in SeptemberIvory Coast · 241 kmHigh 29.0°C · Low 21.5°C · 188 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bobo-Dioulasso) is explained once on the Bobo-Dioulasso year overview and on the Sources, method and limits page.