Climate averages 1991–2020
Warri weather
in September.
A warm, very wet month: the 10th 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 Warri: daytime highs average 27.9°C and nights cool to about 22.7°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 331 mm of rain on roughly 30 days, which makes September a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 09 min on an average September day.
The nearest other city in this atlas is Ughelli (28 km away). In September its highs average 28.1°C, about as warm as Warri, with 331 mm of rain.
Among the 143 cities listed in Nigeria, Warri ranks joint 97th of 143 for the warmest September highs and joint 132nd of 143 for the driest September (rainfall, lowest first). The mean September high of those 143 cities is 28.6°C; Warri is 0.7°C cooler than that mean.
From September to October, average highs rise by 1.0°C to 28.9°C, and monthly rainfall rises from 331 mm to 357 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
Warri climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 32.6°C23.1°C | 23.1°C | 59 | 14.0 | 11.812 h |
| February | 32.4°C24.1°C | 24.1°C | 97 | 18.8 | 11.912 h |
| March | 31.5°C24.5°C | 24.5°C | 198 | 27.3 | 12.112 h |
| April | 30.7°C24.3°C | 24.3°C | 267 | 28.4 | 12.212 h |
| May | 29.9°C23.8°C | 23.8°C | 323 | 29.7 | 12.412 h |
| June | 28.4°C23.1°C | 23.1°C | 330 | 29.5 | 12.412 h |
| July | 27.4°C22.6°C | 22.6°C | 329 | 29.2 | 12.412 h |
| August | 27.5°C22.6°C | 22.6°C | 274 | 27.9 | 12.312 h |
| September, selected | 27.9°C22.7°C | 22.7°C | 331 | 29.7 | 12.212 h |
| October | 28.9°C22.9°C | 22.9°C | 357 | 30.7 | 12.012 h |
| November | 30.4°C23.2°C | 23.2°C | 177 | 25.2 | 11.912 h |
| December | 31.6°C23.2°C | 23.2°C | 62 | 15.4 | 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
- Ughelli in SeptemberNigeria · 28 kmHigh 28.1°C · Low 22.5°C · 331 mm rain
- Sapele in SeptemberNigeria · 43 kmHigh 28.1°C · Low 22.6°C · 310 mm rain
- Yenagoa in SeptemberNigeria · 87 kmHigh 28.1°C · Low 23.0°C · 340 mm rain
- Benin City in SeptemberNigeria · 92 kmHigh 27.8°C · Low 22.3°C · 309 mm rain
- Ogbia in SeptemberNigeria · 111 kmHigh 27.8°C · Low 22.9°C · 339 mm rain
- Atani in SeptemberNigeria · 123 kmHigh 28.8°C · Low 22.9°C · 212 mm rain
- Ihiala in SeptemberNigeria · 128 kmHigh 28.1°C · Low 22.2°C · 282 mm rain
- Asaba in SeptemberNigeria · 132 kmHigh 28.9°C · Low 23.2°C · 200 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 Warri) is explained once on the Warri year overview and on the Sources, method and limits page.