Climate averages 1991–2020
Choma weather
in September.
A hot, very dry month: the joint 2nd warmest and the 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Choma: daytime highs average 28.3°C and nights cool to about 15.3°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 2.0 mm of rain on fewer than one day, which makes September a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 59 min on an average September day.
The nearest other city in this atlas is Mazabuka (133 km away). In September its highs average 30.6°C, 2.3°C warmer than Choma, with 1.0 mm of rain.
Among the 24 cities listed in Zambia, Choma ranks 23rd of 24 for the warmest September highs and 16th of 24 for the driest September (rainfall, lowest first). The mean September high of those 24 cities is 29.9°C; Choma is 1.6°C cooler than that mean.
From September to October, average highs rise by 1.8°C to 30.0°C, and monthly rainfall rises from 2.0 mm to 15 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
Choma climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.8°C17.5°C | 17.5°C | 222 | 24.2 | 13.013 h |
| February | 24.7°C17.3°C | 17.3°C | 176 | 21.3 | 12.713 h |
| March | 24.6°C16.8°C | 16.8°C | 125 | 17.5 | 12.212 h |
| April | 23.9°C14.8°C | 14.8°C | 30 | 6.8 | 11.712 h |
| May | 23.0°C12.4°C | 12.4°C | 3.9 | 1.0 | 11.311 h |
| June | 21.2°C10.1°C | 10.1°C | 1.3 | 0.3 | 11.111 h |
| July | 20.8°C9.4°C | 9.4°C | 1.3 | 0.4 | 11.211 h |
| August | 24.4°C11.8°C | 11.8°C | 0.2 | 0.0 | 11.512 h |
| September, selected | 28.3°C15.3°C | 15.3°C | 2.0 | 0.4 | 12.012 h |
| October | 30.0°C18.0°C | 18.0°C | 15 | 3.1 | 12.512 h |
| November | 28.3°C18.5°C | 18.5°C | 96 | 13.8 | 12.913 h |
| December | 25.4°C17.7°C | 17.7°C | 199 | 22.8 | 13.113 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
- Mazabuka in SeptemberZambia · 133 kmHigh 30.6°C · Low 18.1°C · 1.0 mm rain
- Livingstone in SeptemberZambia · 166 kmHigh 32.1°C · Low 17.0°C · 2.7 mm rain
- Kafue in SeptemberZambia · 172 kmHigh 30.0°C · Low 17.4°C · 1.5 mm rain
- Namalombwe in SeptemberZambia · 203 kmHigh 29.1°C · Low 17.0°C · 2.1 mm rain
- Lusaka in SeptemberZambia · 209 kmHigh 28.7°C · Low 16.8°C · 2.1 mm rain
- Chunga in SeptemberZambia · 215 kmHigh 29.2°C · Low 17.1°C · 1.9 mm rain
- Madido in SeptemberZambia · 219 kmHigh 28.7°C · Low 16.9°C · 1.9 mm rain
- Kabwe in SeptemberZambia · 306 kmHigh 29.4°C · Low 16.7°C · 1.1 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 Choma) is explained once on the Choma year overview and on the Sources, method and limits page.