Climate averages 1991–2020
Ilesa weather
in September.
A warm, very 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 warm month in Ilesa: daytime highs average 27.6°C and nights cool to about 21.3°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 228 mm of rain on roughly 27 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average September day.
The nearest other city in this atlas is Efon-Alaaye (20 km away). In September its highs average 26.7°C, 0.8°C cooler than Ilesa, with 243 mm of rain.
Among the 143 cities listed in Nigeria, Ilesa ranks joint 119th of 143 for the warmest September highs and joint 81st of 143 for the driest September (rainfall, lowest first). The mean September high of those 143 cities is 28.6°C; Ilesa is 1.1°C cooler than that mean.
From September to October, average highs rise by 1.0°C to 28.6°C, and monthly rainfall falls from 228 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
Ilesa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 33.7°C21.2°C | 21.2°C | 14 | 2.9 | 11.712 h |
| February | 34.1°C22.3°C | 22.3°C | 31 | 5.7 | 11.912 h |
| March | 32.7°C23.3°C | 23.3°C | 79 | 15.3 | 12.112 h |
| April | 31.0°C23.2°C | 23.2°C | 104 | 18.1 | 12.312 h |
| May | 29.4°C22.7°C | 22.7°C | 157 | 23.3 | 12.512 h |
| June | 27.9°C21.9°C | 21.9°C | 199 | 26.2 | 12.613 h |
| July | 26.9°C21.2°C | 21.2°C | 188 | 26.7 | 12.513 h |
| August | 26.8°C20.9°C | 20.9°C | 190 | 25.1 | 12.412 h |
| September, selected | 27.6°C21.3°C | 21.3°C | 228 | 26.7 | 12.212 h |
| October | 28.6°C21.6°C | 21.6°C | 199 | 25.9 | 12.012 h |
| November | 30.4°C22.1°C | 22.1°C | 48 | 8.6 | 11.812 h |
| December | 32.6°C21.3°C | 21.3°C | 8.1 | 2.0 | 11.712 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
- Efon-Alaaye in SeptemberNigeria · 20 kmHigh 26.7°C · Low 20.3°C · 243 mm rain
- Ile-Ife in SeptemberNigeria · 26 kmHigh 28.0°C · Low 21.8°C · 218 mm rain
- Osogbo in SeptemberNigeria · 26 kmHigh 28.0°C · Low 21.6°C · 204 mm rain
- Oke Mesi in SeptemberNigeria · 29 kmHigh 27.1°C · Low 20.6°C · 243 mm rain
- Ikirun in SeptemberNigeria · 33 kmHigh 28.0°C · Low 21.4°C · 264 mm rain
- Aramoko-Ekiti in SeptemberNigeria · 34 kmHigh 27.6°C · Low 21.1°C · 243 mm rain
- Ede in SeptemberNigeria · 36 kmHigh 28.1°C · Low 21.8°C · 204 mm rain
- Ilobu in SeptemberNigeria · 37 kmHigh 28.1°C · Low 21.6°C · 204 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 Ilesa) is explained once on the Ilesa year overview and on the Sources, method and limits page.