Climate averages 1991–2020
Inkisi weather
in September.
A hot, fairly dry month: the 2nd 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 Inkisi: daytime highs average 29.7°C and nights cool to about 20.4°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 21 mm of rain on roughly 6 days, which makes September a fairly dry month (the 4th 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 Mbanza-Ngungu (26 km away). In September its highs average 27.9°C, 1.8°C cooler than Inkisi, with 18 mm of rain.
Among the 60 cities listed in the Democratic Republic of the Congo, Inkisi ranks joint 27th of 60 for the warmest September highs and 17th of 60 for the driest September (rainfall, lowest first). The mean September high of those 60 cities is 29.6°C; Inkisi is 0.1°C warmer than that mean.
From September to October, average highs fall by 0.1°C to 29.6°C, and monthly rainfall rises from 21 mm to 116 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
Inkisi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.8°C21.4°C | 21.4°C | 134 | 22.2 | 12.412 h |
| February | 29.5°C21.8°C | 21.8°C | 100 | 17.4 | 12.312 h |
| March | 29.8°C21.9°C | 21.9°C | 128 | 19.8 | 12.112 h |
| April | 29.3°C21.6°C | 21.6°C | 174 | 24.3 | 12.012 h |
| May | 29.0°C21.4°C | 21.4°C | 82 | 15.3 | 11.912 h |
| June | 28.8°C19.7°C | 19.7°C | 3.8 | 0.9 | 11.812 h |
| July | 29.0°C18.7°C | 18.7°C | 0.7 | 0.1 | 11.912 h |
| August | 28.9°C19.2°C | 19.2°C | 5.7 | 1.4 | 11.912 h |
| September, selected | 29.7°C20.4°C | 20.4°C | 21 | 6.1 | 12.112 h |
| October | 29.6°C21.3°C | 21.3°C | 116 | 18.9 | 12.212 h |
| November | 28.6°C21.2°C | 21.2°C | 203 | 25.2 | 12.312 h |
| December | 28.5°C21.1°C | 21.1°C | 179 | 25.6 | 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
- Mbanza-Ngungu in SeptemberDemocratic Republic of the Congo · 26 kmHigh 27.9°C · Low 18.5°C · 18 mm rain
- Kimpese in SeptemberDemocratic Republic of the Congo · 84 kmHigh 29.3°C · Low 20.4°C · 11 mm rain
- Masina in SeptemberDemocratic Republic of the Congo · 91 kmHigh 31.4°C · Low 21.7°C · 19 mm rain
- Kinshasa in SeptemberDemocratic Republic of the Congo · 94 kmHigh 31.2°C · Low 21.7°C · 16 mm rain
- Brazzaville in SeptemberRepublic of the Congo · 99 kmHigh 31.2°C · Low 21.7°C · 16 mm rain
- Mbanza Kongo in SeptemberAngola · 155 kmHigh 27.9°C · Low 18.9°C · 11 mm rain
- Matadi in SeptemberDemocratic Republic of the Congo · 193 kmHigh 27.7°C · Low 20.3°C · 12 mm rain
- Nkayi in SeptemberRepublic of the Congo · 222 kmHigh 29.8°C · Low 21.4°C · 11 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 Inkisi) is explained once on the Inkisi year overview and on the Sources, method and limits page.