Climate averages 1991–2020
Gagnoa weather
in September.
A hot, wet month: the 10th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Gagnoa: daytime highs average 28.6°C and nights cool to about 22.0°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 158 mm of rain on roughly 24 days, which makes September a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 09 min on an average September day.
The nearest other city in this atlas is Sinfra (55 km away). In September its highs average 28.6°C, about as warm as Gagnoa, with 161 mm of rain.
Among the 30 cities listed in Ivory Coast, Gagnoa ranks joint 16th of 30 for the warmest September highs and 15th of 30 for the driest September (rainfall, lowest first). The mean September high of those 30 cities is 28.3°C; Gagnoa is 0.3°C warmer than that mean.
From September to October, average highs rise by 0.6°C to 29.2°C, and monthly rainfall falls from 158 mm to 141 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
Gagnoa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.8°C22.2°C | 22.2°C | 24 | 5.8 | 11.812 h |
| February | 32.5°C23.1°C | 23.1°C | 53 | 10.4 | 11.912 h |
| March | 32.0°C23.2°C | 23.2°C | 93 | 17.5 | 12.112 h |
| April | 31.5°C23.2°C | 23.2°C | 101 | 19.2 | 12.312 h |
| May | 30.4°C23.0°C | 23.0°C | 127 | 23.9 | 12.412 h |
| June | 28.7°C22.1°C | 22.1°C | 129 | 22.6 | 12.512 h |
| July | 28.0°C21.6°C | 21.6°C | 84 | 17.9 | 12.412 h |
| August | 27.9°C21.6°C | 21.6°C | 98 | 18.7 | 12.312 h |
| September, selected | 28.6°C22.0°C | 22.0°C | 158 | 24.4 | 12.212 h |
| October | 29.2°C22.2°C | 22.2°C | 141 | 25.0 | 12.012 h |
| November | 29.4°C22.2°C | 22.2°C | 64 | 16.0 | 11.812 h |
| December | 30.1°C22.2°C | 22.2°C | 26 | 6.7 | 11.812 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
- Sinfra in SeptemberIvory Coast · 55 kmHigh 28.6°C · Low 21.8°C · 161 mm rain
- Divo in SeptemberIvory Coast · 73 kmHigh 28.5°C · Low 22.2°C · 154 mm rain
- Soubré in SeptemberIvory Coast · 81 kmHigh 28.7°C · Low 22.3°C · 159 mm rain
- Bonon in SeptemberIvory Coast · 89 kmHigh 28.8°C · Low 22.0°C · 167 mm rain
- Bouaflé in SeptemberIvory Coast · 98 kmHigh 28.9°C · Low 22.4°C · 161 mm rain
- Daloa in SeptemberIvory Coast · 100 kmHigh 28.7°C · Low 21.8°C · 193 mm rain
- Méagui in SeptemberIvory Coast · 105 kmHigh 28.3°C · Low 22.1°C · 167 mm rain
- Yamoussoukro in SeptemberIvory Coast · 107 kmHigh 29.0°C · Low 22.3°C · 149 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 Gagnoa) is explained once on the Gagnoa year overview and on the Sources, method and limits page.