I-n-Salah Weather in September
What's the weather like in I-n-Salah (Tamanghasset) in September 2025?
The climate in I-n-Salah during September can be summarized as very hot and very dry.
September is in the fall / autumn in I-n-Salah and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a hot 40°C (104°F), whilst at night 26°C (78°F) is normal.
| Daytime temperature | 40.1°C 104.2°F |
|---|---|
| Nightly temperature | 25.5°C 77.9°F |
| Average temperature | 32.8°C 91°F |
| Daily sunshine | 11 hrs |
| Avg rainfall | 0 mm 0 ins |
| Rainy days | 1 days |
| Sea temperature | 23.9°C 75°F |
| Humidity | 41% |
| Windspeed | 6.1kph 4 mph |
On average September is the 3rd driest month of the year in I-n-Salah with around 0mm 0 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 11 hours of sunshine per day.
September temperatures in I-n-Salah
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 I-n-Salah in September 2025.
Other monthly averages
Best places to visit in September
I-n-Salah weather stats
| Hottest month: | July | 44.1°C 111.4°F |
|---|---|---|
| Driest month: | July | 0mm 0ins |
| Sunniest month: | March | 11hrs |
| Coldest month: | January | 21.1°C 70°F |
| Wettest month: | January | 4mm 0.2ins |
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