Climate averages 1991–2020
Mbarara weather
in September.
A warm, moderately wet month: the 6th 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 Mbarara: daytime highs average 25.9°C and nights cool to about 15.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 70 mm of rain on roughly 17 days, which makes September a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 06 min on an average September day.
The nearest other city in this atlas is Rutoma (30 km away). In September its highs average 25.5°C, about as warm as Mbarara, with 116 mm of rain.
Among the 21 cities listed in Uganda, Mbarara ranks 7th of 21 for the warmest September highs and 2nd of 21 for the driest September (rainfall, lowest first). The mean September high of those 21 cities is 25.7°C; Mbarara is 0.2°C warmer than that mean.
From September to October, average highs fall by 0.5°C to 25.4°C, and monthly rainfall rises from 70 mm to 101 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
Mbarara climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.3°C16.3°C | 16.3°C | 35 | 9.5 | 12.112 h |
| February | 27.3°C16.9°C | 16.9°C | 38 | 9.1 | 12.112 h |
| March | 26.7°C16.9°C | 16.9°C | 66 | 15.2 | 12.112 h |
| April | 25.5°C16.4°C | 16.4°C | 85 | 19.3 | 12.112 h |
| May | 25.2°C16.0°C | 16.0°C | 65 | 15.8 | 12.112 h |
| June | 25.7°C16.0°C | 16.0°C | 26 | 6.7 | 12.112 h |
| July | 26.3°C15.9°C | 15.9°C | 13 | 3.5 | 12.112 h |
| August | 26.1°C16.1°C | 16.1°C | 46 | 11.1 | 12.112 h |
| September, selected | 25.9°C15.7°C | 15.7°C | 70 | 17.4 | 12.112 h |
| October | 25.4°C15.7°C | 15.7°C | 101 | 22.8 | 12.112 h |
| November | 24.8°C15.5°C | 15.5°C | 103 | 22.5 | 12.112 h |
| December | 25.2°C15.6°C | 15.6°C | 61 | 15.2 | 12.212 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
- Rutoma in SeptemberUganda · 30 kmHigh 25.5°C · Low 15.8°C · 116 mm rain
- Ibanda in SeptemberUganda · 55 kmHigh 25.6°C · Low 15.6°C · 132 mm rain
- Nyagatare in SeptemberRwanda · 85 kmHigh 27.1°C · Low 16.0°C · 65 mm rain
- Masaka in SeptemberUganda · 124 kmHigh 24.8°C · Low 16.7°C · 103 mm rain
- Rutshuru in SeptemberDemocratic Republic of the Congo · 148 kmHigh 25.9°C · Low 15.2°C · 230 mm rain
- Musanze in SeptemberRwanda · 150 kmHigh 23.4°C · Low 15.5°C · 114 mm rain
- Bukoba in SeptemberTanzania · 153 kmHigh 24.4°C · Low 19.3°C · 110 mm rain
- Mubende in SeptemberUganda · 154 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 Mbarara) is explained once on the Mbarara year overview and on the Sources, method and limits page.