Climate averages 1991–2020
Gereida weather
in September.
A hot, moderately 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 Gereida: daytime highs average 31.8°C and nights cool to about 22.8°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 88 mm of rain on roughly 15 days, which makes September a moderately 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 Nyala (91 km away). In September its highs average 31.8°C, about as warm as Gereida, with 72 mm of rain.
Among the 22 cities listed in Sudan, Gereida ranks joint 17th of 22 for the warmest September highs and 20th of 22 for the driest September (rainfall, lowest first). The mean September high of those 22 cities is 34.7°C; Gereida is 2.9°C cooler than that mean.
From September to October, average highs rise by 3.0°C to 34.8°C, and monthly rainfall falls from 88 mm to 32 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
Gereida climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.9°C17.4°C | 17.4°C | 0 | 0.0 | 11.512 h |
| February | 34.5°C19.5°C | 19.5°C | 0 | 0.0 | 11.812 h |
| March | 37.4°C22.3°C | 22.3°C | 1.1 | 0.3 | 12.112 h |
| April | 39.2°C24.2°C | 24.2°C | 3.6 | 0.8 | 12.412 h |
| May | 38.2°C25.2°C | 25.2°C | 26 | 5.3 | 12.613 h |
| June | 35.1°C24.7°C | 24.7°C | 62 | 11.4 | 12.813 h |
| July | 31.5°C23.1°C | 23.1°C | 107 | 17.4 | 12.713 h |
| August | 30.4°C22.4°C | 22.4°C | 131 | 19.2 | 12.512 h |
| September, selected | 31.8°C22.8°C | 22.8°C | 88 | 14.8 | 12.212 h |
| October | 34.8°C22.9°C | 22.9°C | 32 | 7.2 | 11.912 h |
| November | 35.2°C21.6°C | 21.6°C | 0.7 | 0.1 | 11.612 h |
| December | 32.4°C18.4°C | 18.4°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
- Nyala in SeptemberSudan · 91 kmHigh 31.8°C · Low 22.0°C · 72 mm rain
- El Daein in SeptemberSudan · 109 kmHigh 32.5°C · Low 23.0°C · 77 mm rain
- El Fasher in SeptemberSudan · 263 kmHigh 34.9°C · Low 22.2°C · 23 mm rain
- Winejok in SeptemberSouth Sudan · 366 kmHigh 30.4°C · Low 22.3°C · 128 mm rain
- Al-Junaynah in SeptemberSudan · 380 kmHigh 31.1°C · Low 20.1°C · 69 mm rain
- El Geneina Fort in SeptemberSudan · 380 kmHigh 31.1°C · Low 20.1°C · 69 mm rain
- An Nuhūd in SeptemberSudan · 392 kmHigh 33.6°C · Low 22.8°C · 53 mm rain
- Kuacjok in SeptemberSouth Sudan · 454 kmHigh 30.5°C · Low 22.2°C · 148 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 Gereida) is explained once on the Gereida year overview and on the Sources, method and limits page.