Climate averages 1991–2020
Biu weather
in September.
A hot, wet month: the 11th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Biu: daytime highs average 28.0°C and nights cool to about 20.8°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 116 mm of rain on roughly 20 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average September day.
The nearest other city in this atlas is Mubi (123 km away). In September its highs average 28.3°C, about as warm as Biu, with 188 mm of rain.
Among the 143 cities listed in Nigeria, Biu ranks joint 88th of 143 for the warmest September highs and 20th of 143 for the driest September (rainfall, lowest first). The mean September high of those 143 cities is 28.6°C; Biu is 0.7°C cooler than that mean.
From September to October, average highs rise by 2.4°C to 30.4°C, and monthly rainfall falls from 116 mm to 61 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
Biu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.7°C15.9°C | 15.9°C | 0 | 0.0 | 11.612 h |
| February | 33.6°C18.4°C | 18.4°C | 0 | 0.0 | 11.812 h |
| March | 36.7°C21.7°C | 21.7°C | 1.0 | 0.3 | 12.112 h |
| April | 37.1°C24.1°C | 24.1°C | 17 | 5.1 | 12.412 h |
| May | 34.5°C23.9°C | 23.9°C | 59 | 12.5 | 12.613 h |
| June | 31.5°C22.7°C | 22.7°C | 77 | 15.0 | 12.713 h |
| July | 28.4°C21.2°C | 21.2°C | 117 | 19.9 | 12.713 h |
| August | 26.6°C20.5°C | 20.5°C | 183 | 23.8 | 12.512 h |
| September, selected | 28.0°C20.8°C | 20.8°C | 116 | 20.2 | 12.212 h |
| October | 30.4°C20.8°C | 20.8°C | 61 | 13.3 | 11.912 h |
| November | 32.0°C18.9°C | 18.9°C | 0.9 | 0.3 | 11.612 h |
| December | 30.7°C16.7°C | 16.7°C | 0 | 0.0 | 11.512 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
- Mubi in SeptemberNigeria · 123 kmHigh 28.3°C · Low 20.6°C · 188 mm rain
- Numan in SeptemberNigeria · 129 kmHigh 31.1°C · Low 23.6°C · 72 mm rain
- Daura in SeptemberNigeria · 135 kmHigh 30.7°C · Low 22.2°C · 79 mm rain
- Jimeta in SeptemberNigeria · 151 kmHigh 31.2°C · Low 23.4°C · 109 mm rain
- Pindiga in SeptemberNigeria · 153 kmHigh 28.6°C · Low 21.5°C · 108 mm rain
- Yola in SeptemberNigeria · 159 kmHigh 31.0°C · Low 23.1°C · 109 mm rain
- Potiskum in SeptemberNigeria · 172 kmHigh 31.1°C · Low 22.8°C · 97 mm rain
- Maiduguri in SeptemberNigeria · 173 kmHigh 32.0°C · Low 23.6°C · 82 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 Biu) is explained once on the Biu year overview and on the Sources, method and limits page.