Climate averages 1991–2020
Wa weather
in September.
A hot, very 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 Wa: daytime highs average 28.9°C and nights cool to about 21.9°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 190 mm of rain on roughly 24 days, which makes September a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average September day.
The nearest other city in this atlas is Jirapa (57 km away). In September its highs average 29.2°C, about as warm as Wa, with 155 mm of rain.
Among the 26 cities listed in Ghana, Wa ranks 6th of 26 for the warmest September highs and 24th of 26 for the driest September (rainfall, lowest first). The mean September high of those 26 cities is 28.2°C; Wa is 0.7°C warmer than that mean.
From September to October, average highs rise by 2.0°C to 30.8°C, and monthly rainfall falls from 190 mm to 88 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
Wa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 34.5°C19.8°C | 19.8°C | 0.9 | 0.3 | 11.612 h |
| February | 36.7°C22.1°C | 22.1°C | 6.0 | 1.1 | 11.812 h |
| March | 37.7°C24.6°C | 24.6°C | 26 | 5.2 | 12.112 h |
| April | 36.4°C25.3°C | 25.3°C | 68 | 11.5 | 12.312 h |
| May | 34.1°C24.5°C | 24.5°C | 100 | 15.2 | 12.613 h |
| June | 31.7°C23.3°C | 23.3°C | 101 | 16.4 | 12.713 h |
| July | 29.2°C22.3°C | 22.3°C | 160 | 21.8 | 12.613 h |
| August | 28.2°C21.9°C | 21.9°C | 224 | 25.6 | 12.512 h |
| September, selected | 28.9°C21.9°C | 21.9°C | 190 | 23.5 | 12.212 h |
| October | 30.8°C22.4°C | 22.4°C | 88 | 14.3 | 11.912 h |
| November | 33.7°C21.4°C | 21.4°C | 10 | 1.9 | 11.712 h |
| December | 34.3°C20.0°C | 20.0°C | 0.4 | 0.2 | 11.512 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
- Jirapa in SeptemberGhana · 57 kmHigh 29.2°C · Low 21.9°C · 155 mm rain
- Houndé in SeptemberBurkina Faso · 195 kmHigh 29.6°C · Low 22.1°C · 140 mm rain
- Tamale in SeptemberGhana · 196 kmHigh 29.0°C · Low 22.4°C · 179 mm rain
- Bolgatanga in SeptemberGhana · 198 kmHigh 29.6°C · Low 22.6°C · 144 mm rain
- Bondoukou in SeptemberIvory Coast · 227 kmHigh 28.6°C · Low 21.5°C · 185 mm rain
- Bobo-Dioulasso in SeptemberBurkina Faso · 232 kmHigh 28.9°C · Low 21.5°C · 147 mm rain
- Koudougou in SeptemberBurkina Faso · 244 kmHigh 31.1°C · Low 23.0°C · 122 mm rain
- Banfora in SeptemberBurkina Faso · 255 kmHigh 29.2°C · Low 21.7°C · 157 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 Wa) is explained once on the Wa year overview and on the Sources, method and limits page.