Climate averages 1991–2020
Wau weather
in September.
A hot, wet month: the 10th 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 Wau: daytime highs average 30.7°C and nights cool to about 22.2°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 155 mm of rain on roughly 23 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average September day.
The nearest other city in this atlas is Kuacjok (67 km away). In September its highs average 30.5°C, about as warm as Wau, with 148 mm of rain.
Among the 6 cities listed in South Sudan, Wau ranks 1st of 6 for the warmest September highs and 5th of 6 for the driest September (rainfall, lowest first). The mean September high of those 6 cities is 30.0°C; Wau is 0.7°C warmer than that mean.
From September to October, average highs rise by 1.0°C to 31.7°C, and monthly rainfall falls from 155 mm to 124 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
Wau climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 35.7°C22.4°C | 22.4°C | 0.4 | 0.2 | 11.712 h |
| February | 37.5°C23.7°C | 23.7°C | 2.9 | 0.6 | 11.912 h |
| March | 38.2°C25.3°C | 25.3°C | 20 | 4.1 | 12.112 h |
| April | 36.7°C25.9°C | 25.9°C | 58 | 12.6 | 12.312 h |
| May | 33.9°C24.7°C | 24.7°C | 118 | 19.3 | 12.512 h |
| June | 31.9°C23.3°C | 23.3°C | 127 | 20.3 | 12.613 h |
| July | 30.3°C22.4°C | 22.4°C | 166 | 23.2 | 12.513 h |
| August | 29.9°C22.1°C | 22.1°C | 192 | 24.7 | 12.412 h |
| September, selected | 30.7°C22.2°C | 22.2°C | 155 | 23.3 | 12.212 h |
| October | 31.7°C22.5°C | 22.5°C | 124 | 20.1 | 12.012 h |
| November | 33.9°C22.6°C | 22.6°C | 17 | 3.9 | 11.812 h |
| December | 35.3°C22.6°C | 22.6°C | 0.6 | 0.2 | 11.712 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
- Kuacjok in SeptemberSouth Sudan · 67 kmHigh 30.5°C · Low 22.2°C · 148 mm rain
- Winejok in SeptemberSouth Sudan · 153 kmHigh 30.4°C · Low 22.3°C · 128 mm rain
- Bakwa in SeptemberDemocratic Republic of the Congo · 403 kmHigh 28.2°C · Low 20.4°C · 175 mm rain
- Kadugli in SeptemberSudan · 414 kmHigh 30.2°C · Low 21.9°C · 129 mm rain
- Malakal in SeptemberSouth Sudan · 452 kmHigh 30.5°C · Low 22.4°C · 129 mm rain
- El Daein in SeptemberSudan · 465 kmHigh 32.5°C · Low 23.0°C · 77 mm rain
- Yei in SeptemberSouth Sudan · 499 kmHigh 27.9°C · Low 19.0°C · 178 mm rain
- Gereida in SeptemberSudan · 506 kmHigh 31.8°C · Low 22.8°C · 88 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 Wau) is explained once on the Wau year overview and on the Sources, method and limits page.