Oued Sly Weather in September
What's the weather like in Oued Sly (Chlef) in September 2025?
The climate in Oued Sly during September can be summarized as hot and dry.
September is in the fall / autumn in Oued Sly and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a warm 33°C (90°F), whilst at night 18°C (65°F) is normal.
| Daytime temperature | 32.5°C 90.4°F |
|---|---|
| Nightly temperature | 18.2°C 64.7°F |
| Average temperature | 25.3°C 77.5°F |
| Daily sunshine | 9 hrs |
| Avg rainfall | 12 mm 0.5 ins |
| Rainy days | 3 days |
| Sea temperature | 24.3°C 75.7°F |
| Humidity | 67% |
| Windspeed | 7.9kph 5 mph |
On average September is the 4th driest month of the year in Oued Sly with around 12mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 hours of sunshine per day.
September temperatures in Oued Sly
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Oued Sly in September 2025.
Other monthly averages
Best places to visit in September
Oued Sly weather stats
| Hottest month: | August | 36.2°C 97.2°F |
|---|---|---|
| Driest month: | July | 2mm 0.1ins |
| Sunniest month: | July | 11.6hrs |
| Coldest month: | January | 15.2°C 59.4°F |
| Wettest month: | December | 62mm 2.4ins |
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