Climate averages 1991–2020
Bata weather
in September.
A warm, very wet month: the 10th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Bata: daytime highs average 27.1°C and nights cool to about 22.9°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 245 mm of rain on roughly 28 days, which makes September a very wet month (the 8th 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 Kribi (120 km away). In September its highs average 26.2°C, 0.9°C cooler than Bata, with 335 mm of rain.
Among the 3 cities listed in Equatorial Guinea, Bata ranks 1st of 3 for the warmest September highs and 1st of 3 for the driest September (rainfall, lowest first). The mean September high of those 3 cities is 27.0°C; Bata is 0.2°C warmer than that mean.
From September to October, average highs rise by 0.4°C to 27.5°C, and monthly rainfall rises from 245 mm to 335 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
Bata climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.6°C23.7°C | 23.7°C | 164 | 28.2 | 12.012 h |
| February | 29.2°C24.0°C | 24.0°C | 169 | 25.9 | 12.112 h |
| March | 29.4°C24.2°C | 24.2°C | 236 | 28.6 | 12.112 h |
| April | 29.3°C24.1°C | 24.1°C | 256 | 28.1 | 12.212 h |
| May | 28.7°C23.9°C | 23.9°C | 265 | 29.5 | 12.212 h |
| June | 27.5°C23.4°C | 23.4°C | 179 | 22.4 | 12.212 h |
| July | 26.8°C22.8°C | 22.8°C | 110 | 17.2 | 12.212 h |
| August | 26.8°C22.7°C | 22.7°C | 96 | 19.7 | 12.212 h |
| September, selected | 27.1°C22.9°C | 22.9°C | 245 | 27.6 | 12.112 h |
| October | 27.5°C23.0°C | 23.0°C | 335 | 30.7 | 12.112 h |
| November | 28.0°C23.1°C | 23.1°C | 325 | 29.8 | 12.012 h |
| December | 28.3°C23.4°C | 23.4°C | 213 | 29.7 | 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
- Kribi in SeptemberCameroon · 120 kmHigh 26.2°C · Low 23.3°C · 335 mm rain
- Ciudad de la Paz in SeptemberEquatorial Guinea · 121 kmHigh 26.9°C · Low 20.1°C · 266 mm rain
- Libreville in SeptemberGabon · 167 kmHigh 27.6°C · Low 23.4°C · 151 mm rain
- Owendo in SeptemberGabon · 177 kmHigh 28.3°C · Low 23.1°C · 123 mm rain
- Ébolowa in SeptemberCameroon · 192 kmHigh 27.0°C · Low 20.5°C · 241 mm rain
- Oyem in SeptemberGabon · 204 kmHigh 27.5°C · Low 20.1°C · 223 mm rain
- Edéa in SeptemberCameroon · 219 kmHigh 28.6°C · Low 22.9°C · 305 mm rain
- Malabo in SeptemberEquatorial Guinea · 237 kmHigh 26.8°C · Low 24.3°C · 384 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 Bata) is explained once on the Bata year overview and on the Sources, method and limits page.