Climate averages 1991–2020
Bertoua weather
in September.
A warm, wet month: one of the coolest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Bertoua: daytime highs average 27.0°C and nights cool to about 20.3°C. By daytime temperature it is one of the coolest months of the year.
Expect about 166 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 09 min on an average September day.
The nearest other city in this atlas is Berbérati (236 km away). In September its highs average 27.6°C, 0.5°C warmer than Bertoua, with 228 mm of rain.
Among the 24 cities listed in Cameroon, Bertoua ranks joint 8th of 24 for the warmest September highs and joint 3rd of 24 for the driest September (rainfall, lowest first). The mean September high of those 24 cities is 26.1°C; Bertoua is 0.9°C warmer than that mean.
From September to October, average highs rise by 0.2°C to 27.2°C, and monthly rainfall rises from 166 mm to 223 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
Bertoua climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.1°C20.7°C | 20.7°C | 13 | 3.1 | 11.912 h |
| February | 32.7°C21.8°C | 21.8°C | 28 | 5.2 | 12.012 h |
| March | 31.1°C22.2°C | 22.2°C | 105 | 14.1 | 12.112 h |
| April | 29.3°C21.6°C | 21.6°C | 160 | 21.4 | 12.212 h |
| May | 28.4°C21.1°C | 21.1°C | 140 | 22.3 | 12.312 h |
| June | 27.6°C20.5°C | 20.5°C | 115 | 21.0 | 12.412 h |
| July | 27.0°C20.2°C | 20.2°C | 129 | 22.1 | 12.412 h |
| August | 27.1°C20.3°C | 20.3°C | 144 | 23.0 | 12.312 h |
| September, selected | 27.0°C20.3°C | 20.3°C | 166 | 24.5 | 12.112 h |
| October | 27.2°C20.1°C | 20.1°C | 223 | 27.6 | 12.012 h |
| November | 28.2°C20.2°C | 20.2°C | 130 | 16.7 | 11.912 h |
| December | 30.1°C20.1°C | 20.1°C | 25 | 4.2 | 11.912 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
- Berbérati in SeptemberCentral African Republic · 236 kmHigh 27.6°C · Low 20.1°C · 228 mm rain
- Carnot in SeptemberCentral African Republic · 246 kmHigh 28.0°C · Low 20.4°C · 232 mm rain
- Yaoundé in SeptemberCameroon · 253 kmHigh 26.4°C · Low 20.3°C · 184 mm rain
- Bouar in SeptemberCentral African Republic · 260 kmHigh 26.1°C · Low 18.3°C · 275 mm rain
- Sangmélima in SeptemberCameroon · 263 kmHigh 27.7°C · Low 20.2°C · 191 mm rain
- Mbalmayo in SeptemberCameroon · 269 kmHigh 26.9°C · Low 20.4°C · 166 mm rain
- Bafia in SeptemberCameroon · 272 kmHigh 28.0°C · Low 21.3°C · 174 mm rain
- Ngaoundéré in SeptemberCameroon · 306 kmHigh 26.2°C · Low 17.2°C · 359 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 Bertoua) is explained once on the Bertoua year overview and on the Sources, method and limits page.