Climate averages 1991–2020
Njeru weather
in September.
A warm, wet month: the 4th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Njeru: daytime highs average 25.2°C and nights cool to about 19.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 151 mm of rain on roughly 25 days, which makes September a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 07 min on an average September day.
The nearest other city in this atlas is Lugazi (28 km away). In September its highs average 25.1°C, about as warm as Njeru, with 158 mm of rain.
Among the 21 cities listed in Uganda, Njeru ranks 12th of 21 for the warmest September highs and 17th of 21 for the driest September (rainfall, lowest first). The mean September high of those 21 cities is 25.7°C; Njeru is 0.5°C cooler than that mean.
From September to October, average highs fall by 0.3°C to 24.9°C, and monthly rainfall rises from 151 mm to 191 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
Njeru climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.8°C19.6°C | 19.6°C | 117 | 18.4 | 12.112 h |
| February | 26.4°C20.0°C | 20.0°C | 104 | 17.2 | 12.112 h |
| March | 25.9°C20.1°C | 20.1°C | 178 | 24.0 | 12.112 h |
| April | 24.7°C19.8°C | 19.8°C | 240 | 28.1 | 12.112 h |
| May | 24.6°C19.5°C | 19.5°C | 215 | 28.4 | 12.112 h |
| June | 24.4°C18.9°C | 18.9°C | 142 | 23.7 | 12.112 h |
| July | 24.2°C18.4°C | 18.4°C | 116 | 20.4 | 12.112 h |
| August | 24.6°C18.6°C | 18.6°C | 138 | 23.1 | 12.112 h |
| September, selected | 25.2°C19.0°C | 19.0°C | 151 | 24.8 | 12.112 h |
| October | 24.9°C19.3°C | 19.3°C | 191 | 27.3 | 12.112 h |
| November | 24.7°C19.2°C | 19.2°C | 202 | 26.3 | 12.112 h |
| December | 25.0°C19.2°C | 19.2°C | 153 | 22.4 | 12.112 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
- Lugazi in SeptemberUganda · 28 kmHigh 25.1°C · Low 17.1°C · 158 mm rain
- Mukono in SeptemberUganda · 48 kmHigh 25.1°C · Low 17.1°C · 140 mm rain
- Kira in SeptemberUganda · 61 kmHigh 25.0°C · Low 17.2°C · 179 mm rain
- Kampala in SeptemberUganda · 68 kmHigh 24.2°C · Low 18.0°C · 121 mm rain
- Nansana in SeptemberUganda · 73 kmHigh 24.7°C · Low 16.8°C · 121 mm rain
- Kajansi in SeptemberUganda · 76 kmHigh 24.6°C · Low 18.8°C · 121 mm rain
- Kyengera in SeptemberUganda · 77 kmHigh 24.7°C · Low 17.9°C · 121 mm rain
- Katabi in SeptemberUganda · 88 kmHigh 24.2°C · Low 19.4°C · 106 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 Njeru) is explained once on the Njeru year overview and on the Sources, method and limits page.