Climate averages 1991–2020
Vwawa weather
in September.
A warm, very dry month: the 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 warm month in Vwawa: daytime highs average 27.6°C and nights cool to about 14.3°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 2.7 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 12 h 03 min on an average September day.
The nearest other city in this atlas is Tunduma (28 km away). In September its highs average 26.5°C, 1.1°C cooler than Vwawa, with 2.6 mm of rain.
Among the 43 cities listed in Tanzania, Vwawa ranks 29th of 43 for the warmest September highs and 10th of 43 for the driest September (rainfall, lowest first). The mean September high of those 43 cities is 28.0°C; Vwawa is 0.4°C cooler than that mean.
From September to October, average highs rise by 1.0°C to 28.6°C, and monthly rainfall rises from 2.7 mm to 24 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
Vwawa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.7°C15.8°C | 15.8°C | 240 | 26.8 | 12.613 h |
| February | 24.0°C15.7°C | 15.7°C | 191 | 23.1 | 12.412 h |
| March | 24.0°C15.9°C | 15.9°C | 256 | 27.1 | 12.212 h |
| April | 23.4°C15.6°C | 15.6°C | 160 | 20.0 | 11.912 h |
| May | 23.6°C14.4°C | 14.4°C | 23 | 4.6 | 11.712 h |
| June | 23.3°C12.5°C | 12.5°C | 0.3 | 0.1 | 11.612 h |
| July | 23.1°C11.7°C | 11.7°C | 0.2 | 0.0 | 11.612 h |
| August | 25.3°C12.8°C | 12.8°C | 0.6 | 0.2 | 11.812 h |
| September, selected | 27.6°C14.3°C | 14.3°C | 2.7 | 0.8 | 12.012 h |
| October | 28.6°C16.0°C | 16.0°C | 24 | 5.7 | 12.312 h |
| November | 27.3°C16.3°C | 16.3°C | 102 | 14.4 | 12.513 h |
| December | 24.7°C16.0°C | 16.0°C | 224 | 24.0 | 12.613 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
- Tunduma in SeptemberTanzania · 28 kmHigh 26.5°C · Low 13.1°C · 2.6 mm rain
- Nakonde in SeptemberZambia · 33 kmHigh 27.4°C · Low 13.9°C · 2.6 mm rain
- Katumba in SeptemberTanzania · 76 kmHigh 25.1°C · Low 14.1°C · 11 mm rain
- Sumbawanga in SeptemberTanzania · 193 kmHigh 25.4°C · Low 14.2°C · 8.2 mm rain
- Njombe in SeptemberTanzania · 203 kmHigh 20.9°C · Low 9.4°C · 3.6 mm rain
- Makumbako in SeptemberTanzania · 210 kmHigh 23.5°C · Low 12.6°C · 0.8 mm rain
- Kasama in SeptemberZambia · 228 kmHigh 29.4°C · Low 15.1°C · 2.1 mm rain
- Mafinga in SeptemberTanzania · 274 kmHigh 22.7°C · Low 12.0°C · 3.1 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 Vwawa) is explained once on the Vwawa year overview and on the Sources, method and limits page.