Climate averages 1991–2020
Lisala weather
in September.
A hot, wet month: the joint 8th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Lisala: daytime highs average 28.8°C and nights cool to about 22.1°C. By daytime temperature it is the joint 8th warmest of the 12 months.
Expect about 161 mm of rain on roughly 25 days, which makes September a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average September day.
The nearest other city in this atlas is Bumba (106 km away). In September its highs average 29.1°C, about as warm as Lisala, with 157 mm of rain.
Among the 60 cities listed in the Democratic Republic of the Congo, Lisala ranks joint 42nd of 60 for the warmest September highs and 52nd of 60 for the driest September (rainfall, lowest first). The mean September high of those 60 cities is 29.6°C; Lisala is 0.8°C cooler than that mean.
From September to October, average highs fall by 0.3°C to 28.5°C, and monthly rainfall rises from 161 mm to 185 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
Lisala climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.9°C22.8°C | 22.8°C | 45 | 9.0 | 12.012 h |
| February | 32.1°C23.3°C | 23.3°C | 71 | 11.9 | 12.012 h |
| March | 31.2°C23.3°C | 23.3°C | 136 | 18.3 | 12.112 h |
| April | 30.1°C23.2°C | 23.2°C | 142 | 20.7 | 12.212 h |
| May | 29.7°C23.1°C | 23.1°C | 118 | 21.2 | 12.212 h |
| June | 29.1°C22.5°C | 22.5°C | 103 | 19.4 | 12.212 h |
| July | 28.7°C22.0°C | 22.0°C | 116 | 21.6 | 12.212 h |
| August | 28.5°C21.9°C | 21.9°C | 155 | 25.5 | 12.212 h |
| September, selected | 28.8°C22.1°C | 22.1°C | 161 | 24.8 | 12.112 h |
| October | 28.5°C22.2°C | 22.2°C | 185 | 26.1 | 12.112 h |
| November | 28.8°C22.3°C | 22.3°C | 146 | 23.1 | 12.012 h |
| December | 30.2°C22.6°C | 22.6°C | 60 | 11.9 | 12.012 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
- Bumba in SeptemberDemocratic Republic of the Congo · 106 kmHigh 29.1°C · Low 22.4°C · 157 mm rain
- Binga in SeptemberDemocratic Republic of the Congo · 116 kmHigh 28.9°C · Low 21.8°C · 159 mm rain
- Gemena in SeptemberDemocratic Republic of the Congo · 229 kmHigh 28.8°C · Low 21.6°C · 159 mm rain
- Gbadolite in SeptemberDemocratic Republic of the Congo · 243 kmHigh 29.3°C · Low 22.0°C · 151 mm rain
- Basoko in SeptemberDemocratic Republic of the Congo · 254 kmHigh 29.1°C · Low 22.5°C · 144 mm rain
- Buta in SeptemberDemocratic Republic of the Congo · 364 kmHigh 29.0°C · Low 21.4°C · 139 mm rain
- Bangui in SeptemberCentral African Republic · 410 kmHigh 29.4°C · Low 22.5°C · 158 mm rain
- Bambari in SeptemberCentral African Republic · 413 kmHigh 29.1°C · Low 21.3°C · 190 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 Lisala) is explained once on the Lisala year overview and on the Sources, method and limits page.