Climate averages 1991–2020
Arua weather
in September.
A warm, wet month: the 9th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Arua: daytime highs average 26.6°C and nights cool to about 17.2°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 105 mm of rain on roughly 17 days, which makes September a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average September day.
The nearest other city in this atlas is Yei (122 km away). In September its highs average 27.9°C, 1.4°C warmer than Arua, with 178 mm of rain.
Among the 21 cities listed in Uganda, Arua ranks 5th of 21 for the warmest September highs and 5th of 21 for the driest September (rainfall, lowest first). The mean September high of those 21 cities is 25.7°C; Arua is 0.9°C warmer than that mean.
From September to October, average highs fall by 0.1°C to 26.5°C, and monthly rainfall rises from 105 mm to 118 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
Arua climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.2°C19.4°C | 19.4°C | 9.7 | 2.2 | 12.012 h |
| February | 31.2°C20.1°C | 20.1°C | 17 | 3.6 | 12.012 h |
| March | 30.0°C19.8°C | 19.8°C | 50 | 9.8 | 12.112 h |
| April | 28.0°C19.1°C | 19.1°C | 80 | 14.5 | 12.212 h |
| May | 27.4°C18.6°C | 18.6°C | 70 | 12.2 | 12.312 h |
| June | 26.7°C17.8°C | 17.8°C | 85 | 13.4 | 12.312 h |
| July | 26.1°C17.1°C | 17.1°C | 113 | 16.1 | 12.312 h |
| August | 26.0°C17.0°C | 17.0°C | 137 | 19.1 | 12.212 h |
| September, selected | 26.6°C17.2°C | 17.2°C | 105 | 17.1 | 12.112 h |
| October | 26.5°C17.6°C | 17.6°C | 118 | 20.2 | 12.112 h |
| November | 26.8°C17.8°C | 17.8°C | 72 | 13.7 | 12.012 h |
| December | 28.3°C18.4°C | 18.4°C | 16 | 3.6 | 11.912 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
- Yei in SeptemberSouth Sudan · 122 kmHigh 27.9°C · Low 19.0°C · 178 mm rain
- Gulu in SeptemberUganda · 157 kmHigh 27.5°C · Low 18.3°C · 163 mm rain
- Masindi in SeptemberUganda · 174 kmHigh 26.7°C · Low 18.1°C · 145 mm rain
- Bunia in SeptemberDemocratic Republic of the Congo · 178 kmHigh 26.0°C · Low 17.5°C · 129 mm rain
- Hoima in SeptemberUganda · 183 kmHigh 26.5°C · Low 18.1°C · 280 mm rain
- Juba in SeptemberSouth Sudan · 217 kmHigh 30.2°C · Low 21.7°C · 113 mm rain
- Lira in SeptemberUganda · 237 kmHigh 27.9°C · Low 18.1°C · 117 mm rain
- Mubende in SeptemberUganda · 279 kmHigh 25.6°C · Low 16.2°C · 102 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 Arua) is explained once on the Arua year overview and on the Sources, method and limits page.