Climate averages 1991–2020
Relizane weather
in September.
A hot, fairly dry month: the 4th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Relizane: daytime highs average 31.6°C and nights cool to about 18.5°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 18 mm of rain on roughly 4 days, which makes September a fairly dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average September day.
The nearest other city in this atlas is Mostaganem (47 km away). In September its highs average 28.8°C, 2.8°C cooler than Relizane, with 14 mm of rain.
Among the 55 cities listed in Algeria, Relizane ranks 9th of 55 for the warmest September highs and 12th of 55 for the driest September (rainfall, lowest first). The mean September high of those 55 cities is 29.2°C; Relizane is 2.3°C warmer than that mean.
From September to October, average highs fall by 4.8°C to 26.8°C, and monthly rainfall rises from 18 mm to 32 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
Relizane climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.8°C5.4°C | 5.4°C | 47 | 8.2 | 10.010 h |
| February | 17.0°C5.9°C | 5.9°C | 45 | 8.3 | 10.911 h |
| March | 20.3°C8.2°C | 8.2°C | 46 | 7.3 | 11.912 h |
| April | 23.1°C10.4°C | 10.4°C | 41 | 6.8 | 13.113 h |
| May | 27.4°C13.8°C | 13.8°C | 28 | 4.4 | 14.014 h |
| June | 32.8°C17.8°C | 17.8°C | 6.2 | 1.4 | 14.515 h |
| July | 36.8°C21.0°C | 21.0°C | 1.4 | 0.4 | 14.314 h |
| August | 36.7°C21.5°C | 21.5°C | 5.3 | 0.8 | 13.514 h |
| September, selected | 31.6°C18.5°C | 18.5°C | 18 | 3.6 | 12.412 h |
| October | 26.8°C14.5°C | 14.5°C | 32 | 5.6 | 11.311 h |
| November | 20.2°C9.9°C | 9.9°C | 56 | 7.9 | 10.310 h |
| December | 16.8°C7.0°C | 7.0°C | 43 | 7.2 | 9.810 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
- Mostaganem in SeptemberAlgeria · 47 kmHigh 28.8°C · Low 20.1°C · 14 mm rain
- Mascara in SeptemberAlgeria · 53 kmHigh 29.1°C · Low 16.5°C · 23 mm rain
- Tiaret in SeptemberAlgeria · 80 kmHigh 26.9°C · Low 14.9°C · 30 mm rain
- Chlef in SeptemberAlgeria · 85 kmHigh 31.1°C · Low 18.9°C · 23 mm rain
- Sougueur in SeptemberAlgeria · 105 kmHigh 26.8°C · Low 15.3°C · 33 mm rain
- Saïda in SeptemberAlgeria · 107 kmHigh 29.0°C · Low 16.8°C · 31 mm rain
- Oran in SeptemberAlgeria · 108 kmHigh 27.3°C · Low 20.2°C · 14 mm rain
- Sidi Bel Abbes in SeptemberAlgeria · 124 kmHigh 29.3°C · Low 17.4°C · 19 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 Relizane) is explained once on the Relizane year overview and on the Sources, method and limits page.