Climate averages 1991–2020
Dolisie weather
in September.
A warm, fairly dry month: the 9th 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 Dolisie: daytime highs average 27.9°C and nights cool to about 20.3°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 18 mm of rain on roughly 5 days, which makes September a fairly dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 05 min on an average September day.
The nearest other city in this atlas is Nkayi (69 km away). In September its highs average 29.8°C, 1.9°C warmer than Dolisie, with 11 mm of rain.
Among the 4 cities listed in the Republic of the Congo, Dolisie ranks 3rd of 4 for the warmest September highs and 4th of 4 for the driest September (rainfall, lowest first). The mean September high of those 4 cities is 28.8°C; Dolisie is 0.9°C cooler than that mean.
From September to October, average highs rise by 1.2°C to 29.1°C, and monthly rainfall rises from 18 mm to 122 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
Dolisie climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.9°C22.3°C | 22.3°C | 219 | 26.8 | 12.312 h |
| February | 29.5°C22.5°C | 22.5°C | 183 | 23.5 | 12.212 h |
| March | 29.8°C22.8°C | 22.8°C | 177 | 24.5 | 12.112 h |
| April | 29.4°C22.8°C | 22.8°C | 180 | 23.6 | 12.012 h |
| May | 28.8°C22.3°C | 22.3°C | 94 | 17.5 | 11.912 h |
| June | 27.5°C19.9°C | 19.9°C | 5.2 | 1.4 | 11.912 h |
| July | 27.0°C18.5°C | 18.5°C | 1.6 | 0.3 | 11.912 h |
| August | 27.0°C19.0°C | 19.0°C | 4.6 | 1.2 | 12.012 h |
| September, selected | 27.9°C20.3°C | 20.3°C | 18 | 5.1 | 12.112 h |
| October | 29.1°C21.9°C | 21.9°C | 122 | 21.0 | 12.212 h |
| November | 28.8°C22.2°C | 22.2°C | 245 | 27.2 | 12.312 h |
| December | 28.6°C22.2°C | 22.2°C | 258 | 28.1 | 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
- Nkayi in SeptemberRepublic of the Congo · 69 kmHigh 29.8°C · Low 21.4°C · 11 mm rain
- Pointe-Noire in SeptemberRepublic of the Congo · 110 kmHigh 26.1°C · Low 21.7°C · 6.3 mm rain
- Cabinda in SeptemberAngola · 160 kmHigh 25.7°C · Low 22.0°C · 9.0 mm rain
- Boma in SeptemberDemocratic Republic of the Congo · 189 kmHigh 28.2°C · Low 20.8°C · 12 mm rain
- Moanda, Democratic Republic of the Congo in SeptemberDemocratic Republic of the Congo · 195 kmHigh 25.6°C · Low 21.5°C · 4.2 mm rain
- Matadi in SeptemberDemocratic Republic of the Congo · 203 kmHigh 27.7°C · Low 20.3°C · 12 mm rain
- Soyo in SeptemberAngola · 218 kmHigh 24.4°C · Low 22.1°C · 2.1 mm rain
- Kimpese in SeptemberDemocratic Republic of the Congo · 247 kmHigh 29.3°C · Low 20.4°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 Dolisie) is explained once on the Dolisie year overview and on the Sources, method and limits page.