Climate averages 1991–2020
Bawku weather
in September.
A hot, wet month: the 11th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Bawku: daytime highs average 29.8°C and nights cool to about 22.6°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 137 mm of rain on roughly 17 days, which makes September a wet month (the 11th 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 Bolgatanga (73 km away). In September its highs average 29.6°C, about as warm as Bawku, with 144 mm of rain.
Among the 26 cities listed in Ghana, Bawku ranks 1st of 26 for the warmest September highs and 14th of 26 for the driest September (rainfall, lowest first). The mean September high of those 26 cities is 28.2°C; Bawku is 1.6°C warmer than that mean.
From September to October, average highs rise by 2.8°C to 32.6°C, and monthly rainfall falls from 137 mm to 40 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
Bawku climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 34.4°C20.5°C | 20.5°C | 0.1 | 0.0 | 11.612 h |
| February | 36.8°C22.7°C | 22.7°C | 1.2 | 0.4 | 11.812 h |
| March | 38.8°C25.2°C | 25.2°C | 6.3 | 1.4 | 12.112 h |
| April | 38.5°C26.9°C | 26.9°C | 25 | 5.1 | 12.412 h |
| May | 36.3°C26.3°C | 26.3°C | 49 | 9.9 | 12.613 h |
| June | 33.6°C24.8°C | 24.8°C | 56 | 10.2 | 12.813 h |
| July | 30.5°C23.2°C | 23.2°C | 123 | 18.0 | 12.713 h |
| August | 28.9°C22.5°C | 22.5°C | 195 | 23.7 | 12.512 h |
| September, selected | 29.8°C22.6°C | 22.6°C | 137 | 16.6 | 12.212 h |
| October | 32.6°C23.3°C | 23.3°C | 40 | 7.7 | 11.912 h |
| November | 35.1°C22.1°C | 22.1°C | 1.7 | 0.3 | 11.612 h |
| December | 34.4°C20.7°C | 20.7°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
- Bolgatanga in SeptemberGhana · 73 kmHigh 29.6°C · Low 22.6°C · 144 mm rain
- Fada N'gourma in SeptemberBurkina Faso · 129 kmHigh 30.8°C · Low 22.8°C · 105 mm rain
- Pouytenga in SeptemberBurkina Faso · 134 kmHigh 31.4°C · Low 22.9°C · 98 mm rain
- Saaba in SeptemberBurkina Faso · 194 kmHigh 31.5°C · Low 23.1°C · 108 mm rain
- Tamale in SeptemberGhana · 196 kmHigh 29.0°C · Low 22.4°C · 179 mm rain
- Ouagadougou in SeptemberBurkina Faso · 202 kmHigh 31.5°C · Low 23.1°C · 108 mm rain
- Kara in SeptemberTogo · 229 kmHigh 29.2°C · Low 21.7°C · 266 mm rain
- Kaya in SeptemberBurkina Faso · 243 kmHigh 32.3°C · Low 23.1°C · 80 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 Bawku) is explained once on the Bawku year overview and on the Sources, method and limits page.