Climate averages 1991–2020
Mbalmayo weather
in September.
A warm, 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 Mbalmayo: daytime highs average 26.9°C and nights cool to about 20.4°C. By daytime temperature it is the joint 9th warmest of the 12 months.
Expect about 166 mm of rain on roughly 26 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 Yaoundé (39 km away). In September its highs average 26.4°C, 0.6°C cooler than Mbalmayo, with 184 mm of rain.
Among the 24 cities listed in Cameroon, Mbalmayo ranks 10th 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; Mbalmayo is 0.8°C warmer than that mean.
From September to October, average highs fall by 0.2°C to 26.8°C, and monthly rainfall rises from 166 mm to 199 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
Mbalmayo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.5°C21.0°C | 21.0°C | 39 | 8.0 | 11.912 h |
| February | 30.3°C21.4°C | 21.4°C | 55 | 10.1 | 12.012 h |
| March | 29.5°C21.4°C | 21.4°C | 125 | 20.1 | 12.112 h |
| April | 28.7°C21.2°C | 21.2°C | 151 | 23.3 | 12.212 h |
| May | 28.1°C21.1°C | 21.1°C | 141 | 23.9 | 12.312 h |
| June | 27.4°C20.6°C | 20.6°C | 125 | 23.5 | 12.312 h |
| July | 26.9°C20.2°C | 20.2°C | 115 | 21.1 | 12.312 h |
| August | 26.9°C20.1°C | 20.1°C | 110 | 22.8 | 12.212 h |
| September, selected | 26.9°C20.4°C | 20.4°C | 166 | 26.1 | 12.112 h |
| October | 26.8°C20.4°C | 20.4°C | 199 | 28.1 | 12.012 h |
| November | 27.2°C20.6°C | 20.6°C | 146 | 21.6 | 12.012 h |
| December | 28.4°C20.9°C | 20.9°C | 48 | 10.0 | 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
- Yaoundé in SeptemberCameroon · 39 kmHigh 26.4°C · Low 20.3°C · 184 mm rain
- Ébolowa in SeptemberCameroon · 79 kmHigh 27.0°C · Low 20.5°C · 241 mm rain
- Sangmélima in SeptemberCameroon · 84 kmHigh 27.7°C · Low 20.2°C · 191 mm rain
- Bafia in SeptemberCameroon · 140 kmHigh 28.0°C · Low 21.3°C · 174 mm rain
- Edéa in SeptemberCameroon · 155 kmHigh 28.6°C · Low 22.9°C · 305 mm rain
- Kribi in SeptemberCameroon · 188 kmHigh 26.2°C · Low 23.3°C · 335 mm rain
- Douala in SeptemberCameroon · 208 kmHigh 27.3°C · Low 22.6°C · 351 mm rain
- Oyem in SeptemberGabon · 213 kmHigh 27.5°C · Low 20.1°C · 223 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 Mbalmayo) is explained once on the Mbalmayo year overview and on the Sources, method and limits page.