Climate averages 1991–2020
Biskra weather
in September.
A hot, fairly dry month: the 4th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Biskra: daytime highs average 32.9°C and nights cool to about 22.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 17 mm of rain on roughly 3 days, which makes September a fairly dry month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average September day.
The nearest other city in this atlas is Barika (68 km away). In September its highs average 30.0°C, 2.9°C cooler than Biskra, with 23 mm of rain.
Among the 55 cities listed in Algeria, Biskra ranks 8th of 55 for the warmest September highs and 11th of 55 for the driest September (rainfall, lowest first). The mean September high of those 55 cities is 29.2°C; Biskra is 3.7°C warmer than that mean.
From September to October, average highs fall by 5.6°C to 27.3°C, and monthly rainfall falls from 17 mm to 13 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
Biskra climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.6°C5.2°C | 5.2°C | 13 | 2.3 | 10.110 h |
| February | 17.5°C6.1°C | 6.1°C | 7.7 | 1.9 | 10.911 h |
| March | 21.7°C9.7°C | 9.7°C | 15 | 2.5 | 11.912 h |
| April | 25.6°C13.4°C | 13.4°C | 16 | 2.5 | 13.013 h |
| May | 30.9°C18.2°C | 18.2°C | 6.4 | 1.6 | 14.014 h |
| June | 36.1°C23.2°C | 23.2°C | 2.2 | 0.7 | 14.514 h |
| July | 39.2°C26.4°C | 26.4°C | 0.6 | 0.2 | 14.214 h |
| August | 38.4°C26.2°C | 26.2°C | 4.0 | 0.9 | 13.513 h |
| September, selected | 32.9°C22.0°C | 22.0°C | 17 | 2.5 | 12.412 h |
| October | 27.3°C16.5°C | 16.5°C | 13 | 2.3 | 11.311 h |
| November | 20.4°C10.3°C | 10.3°C | 12 | 2.2 | 10.410 h |
| December | 16.2°C6.3°C | 6.3°C | 11 | 2.2 | 9.910 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
- Barika in SeptemberAlgeria · 68 kmHigh 30.0°C · Low 18.1°C · 23 mm rain
- Batna in SeptemberAlgeria · 88 kmHigh 26.8°C · Low 14.4°C · 46 mm rain
- M'Sila in SeptemberAlgeria · 144 kmHigh 30.4°C · Low 18.5°C · 23 mm rain
- Khenchela in SeptemberAlgeria · 144 kmHigh 26.1°C · Low 14.3°C · 31 mm rain
- El Eulma in SeptemberAlgeria · 145 kmHigh 26.3°C · Low 15.1°C · 42 mm rain
- Bou Saâda in SeptemberAlgeria · 147 kmHigh 30.3°C · Low 17.6°C · 34 mm rain
- Sétif in SeptemberAlgeria · 152 kmHigh 25.2°C · Low 14.3°C · 47 mm rain
- Bordj Bou Arreridj in SeptemberAlgeria · 162 kmHigh 27.2°C · Low 15.0°C · 38 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 Biskra) is explained once on the Biskra year overview and on the Sources, method and limits page.