Climate averages 1991–2020
Katumba weather
in September.
A warm, very dry month: the joint 4th 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 Katumba: daytime highs average 25.1°C and nights cool to about 14.1°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 11 mm of rain on roughly 3 days, 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 Vwawa (76 km away). In September its highs average 27.6°C, 2.5°C warmer than Katumba, with 2.7 mm of rain.
Among the 43 cities listed in Tanzania, Katumba ranks 37th of 43 for the warmest September highs and joint 20th of 43 for the driest September (rainfall, lowest first). The mean September high of those 43 cities is 28.0°C; Katumba is 2.9°C cooler than that mean.
From September to October, average highs rise by 1.1°C to 26.2°C, and monthly rainfall rises from 11 mm to 48 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
Katumba climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.0°C17.6°C | 17.6°C | 456 | 29.4 | 12.613 h |
| February | 25.2°C17.6°C | 17.6°C | 370 | 25.9 | 12.412 h |
| March | 24.3°C17.3°C | 17.3°C | 362 | 29.1 | 12.212 h |
| April | 22.5°C16.4°C | 16.4°C | 186 | 24.5 | 11.912 h |
| May | 21.5°C14.8°C | 14.8°C | 44 | 11.6 | 11.712 h |
| June | 20.1°C12.4°C | 12.4°C | 9.3 | 3.3 | 11.612 h |
| July | 19.7°C11.5°C | 11.5°C | 9.5 | 3.4 | 11.612 h |
| August | 22.2°C12.5°C | 12.5°C | 7.5 | 2.4 | 11.812 h |
| September, selected | 25.1°C14.1°C | 14.1°C | 11 | 3.0 | 12.012 h |
| October | 26.2°C15.9°C | 15.9°C | 48 | 10.0 | 12.312 h |
| November | 26.0°C16.8°C | 16.8°C | 179 | 18.6 | 12.513 h |
| December | 25.1°C17.4°C | 17.4°C | 400 | 27.0 | 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
- Vwawa in SeptemberTanzania · 76 kmHigh 27.6°C · Low 14.3°C · 2.7 mm rain
- Tunduma in SeptemberTanzania · 94 kmHigh 26.5°C · Low 13.1°C · 2.6 mm rain
- Nakonde in SeptemberZambia · 96 kmHigh 27.4°C · Low 13.9°C · 2.6 mm rain
- Njombe in SeptemberTanzania · 127 kmHigh 20.9°C · Low 9.4°C · 3.6 mm rain
- Makumbako in SeptemberTanzania · 140 kmHigh 23.5°C · Low 12.6°C · 0.8 mm rain
- Mafinga in SeptemberTanzania · 211 kmHigh 22.7°C · Low 12.0°C · 3.1 mm rain
- Mzuzu in SeptemberMalawi · 252 kmHigh 24.1°C · Low 14.3°C · 12 mm rain
- Sumbawanga in SeptemberTanzania · 261 kmHigh 25.4°C · Low 14.2°C · 8.2 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 Katumba) is explained once on the Katumba year overview and on the Sources, method and limits page.