The climate in Aïn Defla during September can be summarized as hot and dry.
September is in the fall / autumn in Aïn Defla and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 31°C (87°F), whilst at night 18°C (65°F) is normal.
| Daytime temperature | 30.5°C 86.9°F |
|---|---|
| Nightly temperature | 18.1°C 64.6°F |
| Average temperature | 24.3°C 75.7°F |
| Daily sunshine | 9.1 hrs |
| Avg rainfall | 21 mm 0.8 ins |
| Rainy days | 4 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 Aïn Defla with around 21mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.1 hours of sunshine per day.
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 Aïn Defla in September 2025.
Best places to visit in September
| Hottest month: | August | 34.2°C 93.6°F |
|---|---|---|
| Driest month: | July | 3mm 0.1ins |
| Sunniest month: | July | 11.7hrs |
| Coldest month: | January | 13.9°C 57°F |
| Wettest month: | December | 81mm 3.2ins |