Climate averages 1991–2020
Yaoundé weather
in September.
A warm, very wet month: the joint 9th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Yaoundé: daytime highs average 26.4°C and nights cool to about 20.3°C. By daytime temperature it is the joint 9th warmest of the 12 months.
Expect about 184 mm of rain on roughly 27 days, which makes September a very 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 Mbalmayo (39 km away). In September its highs average 26.9°C, 0.6°C warmer than Yaoundé, with 166 mm of rain.
Among the 24 cities listed in Cameroon, Yaoundé ranks 12th of 24 for the warmest September highs and 6th of 24 for the driest September (rainfall, lowest first). The mean September high of those 24 cities is 26.1°C; Yaoundé is 0.2°C warmer than that mean.
From September to October, average highs stay level at 26.4°C, and monthly rainfall rises from 184 mm to 244 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
Yaoundé climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C21.0°C | 21.0°C | 40 | 8.4 | 11.912 h |
| February | 30.3°C21.5°C | 21.5°C | 55 | 10.4 | 12.012 h |
| March | 29.4°C21.5°C | 21.5°C | 128 | 20.1 | 12.112 h |
| April | 28.4°C21.3°C | 21.3°C | 170 | 23.8 | 12.212 h |
| May | 27.7°C21.0°C | 21.0°C | 172 | 25.5 | 12.312 h |
| June | 26.8°C20.6°C | 20.6°C | 150 | 24.1 | 12.312 h |
| July | 26.2°C20.1°C | 20.1°C | 120 | 22.3 | 12.312 h |
| August | 26.3°C20.1°C | 20.1°C | 121 | 22.7 | 12.212 h |
| September, selected | 26.4°C20.3°C | 20.3°C | 184 | 26.6 | 12.112 h |
| October | 26.4°C20.4°C | 20.4°C | 244 | 29.1 | 12.012 h |
| November | 26.9°C20.6°C | 20.6°C | 173 | 22.2 | 11.912 h |
| December | 27.9°C21.0°C | 21.0°C | 53 | 11.0 | 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
- Mbalmayo in SeptemberCameroon · 39 kmHigh 26.9°C · Low 20.4°C · 166 mm rain
- Bafia in SeptemberCameroon · 103 kmHigh 28.0°C · Low 21.3°C · 174 mm rain
- Ébolowa in SeptemberCameroon · 115 kmHigh 27.0°C · Low 20.5°C · 241 mm rain
- Sangmélima in SeptemberCameroon · 116 kmHigh 27.7°C · Low 20.2°C · 191 mm rain
- Edéa in SeptemberCameroon · 154 kmHigh 28.6°C · Low 22.9°C · 305 mm rain
- Douala in SeptemberCameroon · 202 kmHigh 27.3°C · Low 22.6°C · 351 mm rain
- Kribi in SeptemberCameroon · 206 kmHigh 26.2°C · Low 23.3°C · 335 mm rain
- Foumbot in SeptemberCameroon · 207 kmHigh 24.7°C · Low 17.6°C · 239 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 Yaoundé) is explained once on the Yaoundé year overview and on the Sources, method and limits page.