Climate averages 1991–2020
Gaborone weather
in September.
A hot, very dry month: the joint 6th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Gaborone: daytime highs average 29.1°C and nights cool to about 13.4°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 10 mm of rain on roughly 2 days, which makes September a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average September day.
The nearest other city in this atlas is Mogoditshane (5 km away). In September its highs average 29.1°C, about as warm as Gaborone, with 9.0 mm of rain.
Among the 5 cities listed in Botswana, Gaborone ranks joint 3rd of 5 for the warmest September highs and 5th of 5 for the driest September (rainfall, lowest first). The mean September high of those 5 cities is 29.9°C; Gaborone is 0.7°C cooler than that mean.
From September to October, average highs rise by 2.0°C to 31.1°C, and monthly rainfall rises from 10 mm to 33 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
Gaborone climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.9°C20.1°C | 20.1°C | 89 | 12.3 | 13.513 h |
| February | 30.5°C19.9°C | 19.9°C | 82 | 9.8 | 12.913 h |
| March | 29.1°C18.2°C | 18.2°C | 59 | 8.4 | 12.212 h |
| April | 26.5°C14.5°C | 14.5°C | 30 | 4.4 | 11.512 h |
| May | 24.0°C10.2°C | 10.2°C | 14 | 1.7 | 10.911 h |
| June | 21.1°C6.8°C | 6.8°C | 8.6 | 1.2 | 10.611 h |
| July | 20.9°C6.1°C | 6.1°C | 1.9 | 0.5 | 10.811 h |
| August | 24.7°C8.9°C | 8.9°C | 3.3 | 0.7 | 11.311 h |
| September, selected | 29.1°C13.4°C | 13.4°C | 10 | 1.5 | 11.912 h |
| October | 31.1°C16.7°C | 16.7°C | 33 | 5.6 | 12.713 h |
| November | 31.1°C18.2°C | 18.2°C | 68 | 10.0 | 13.313 h |
| December | 31.1°C19.6°C | 19.6°C | 85 | 12.0 | 13.614 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
- Mogoditshane in SeptemberBotswana · 5 kmHigh 29.1°C · Low 13.2°C · 9.0 mm rain
- Molepolole in SeptemberBotswana · 50 kmHigh 28.6°C · Low 13.2°C · 8.9 mm rain
- Mafikeng in SeptemberSouth Africa · 137 kmHigh 26.9°C · Low 11.0°C · 13 mm rain
- Rustenburg in SeptemberSouth Africa · 175 kmHigh 27.4°C · Low 12.5°C · 14 mm rain
- Brits in SeptemberSouth Africa · 218 kmHigh 27.8°C · Low 12.7°C · 16 mm rain
- Ga-Rankuwa in SeptemberSouth Africa · 236 kmHigh 27.1°C · Low 11.8°C · 15 mm rain
- Soshanguve in SeptemberSouth Africa · 239 kmHigh 27.6°C · Low 12.5°C · 15 mm rain
- Bela Bela in SeptemberSouth Africa · 241 kmHigh 28.3°C · Low 12.9°C · 13 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 Gaborone) is explained once on the Gaborone year overview and on the Sources, method and limits page.