Climate averages 1991–2020
Kalima weather
in September.
A hot, moderately wet month: the 4th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Kalima: daytime highs average 31.4°C and nights cool to about 20.1°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 55 mm of rain on roughly 11 days, which makes September a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average September day.
The nearest other city in this atlas is Kalemie (120 km away). In September its highs average 29.8°C, 1.6°C cooler than Kalima, with 11 mm of rain.
Among the 60 cities listed in the Democratic Republic of the Congo, Kalima ranks joint 11th of 60 for the warmest September highs and 24th of 60 for the driest September (rainfall, lowest first). The mean September high of those 60 cities is 29.6°C; Kalima is 1.8°C warmer than that mean.
From September to October, average highs fall by 2.3°C to 29.1°C, and monthly rainfall rises from 55 mm to 160 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
Kalima climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.7°C19.5°C | 19.5°C | 198 | 24.1 | 12.412 h |
| February | 28.6°C19.9°C | 19.9°C | 148 | 18.8 | 12.312 h |
| March | 28.9°C20.0°C | 20.0°C | 169 | 21.7 | 12.112 h |
| April | 29.3°C20.2°C | 20.2°C | 101 | 14.7 | 12.012 h |
| May | 31.0°C20.2°C | 20.2°C | 27 | 5.4 | 11.912 h |
| June | 32.0°C19.8°C | 19.8°C | 3.7 | 0.8 | 11.812 h |
| July | 32.5°C19.6°C | 19.6°C | 1.4 | 0.3 | 11.812 h |
| August | 32.5°C20.2°C | 20.2°C | 13 | 2.9 | 11.912 h |
| September, selected | 31.4°C20.1°C | 20.1°C | 55 | 11.0 | 12.112 h |
| October | 29.1°C19.9°C | 19.9°C | 160 | 21.3 | 12.212 h |
| November | 27.4°C19.5°C | 19.5°C | 242 | 25.6 | 12.412 h |
| December | 27.2°C19.4°C | 19.4°C | 223 | 26.5 | 12.412 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
- Kalemie in SeptemberDemocratic Republic of the Congo · 120 kmHigh 29.8°C · Low 21.9°C · 11 mm rain
- Kongolo in SeptemberDemocratic Republic of the Congo · 135 kmHigh 31.8°C · Low 22.0°C · 61 mm rain
- Kabalo in SeptemberDemocratic Republic of the Congo · 157 kmHigh 32.7°C · Low 22.4°C · 50 mm rain
- Kigoma in SeptemberTanzania · 170 kmHigh 27.9°C · Low 24.2°C · 24 mm rain
- Kasongo in SeptemberDemocratic Republic of the Congo · 208 kmHigh 29.6°C · Low 21.0°C · 106 mm rain
- Manono in SeptemberDemocratic Republic of the Congo · 221 kmHigh 33.6°C · Low 22.1°C · 35 mm rain
- Kasulu in SeptemberTanzania · 232 kmHigh 30.0°C · Low 17.8°C · 36 mm rain
- Baudhuinville in SeptemberDemocratic Republic of the Congo · 245 kmHigh 28.9°C · Low 18.6°C · 12 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 Kalima) is explained once on the Kalima year overview and on the Sources, method and limits page.