The climate in Najrān during September can be summarized as hot and dry.
September is in the fall / autumn in Najrān and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a warm 33°C (91°F), whilst at night 18°C (65°F) is normal.
Daytime temperature | 33°C 91.3°F |
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Nightly temperature | 18.3°C 64.9°F |
Average temperature | 25.6°C 78.1°F |
Daily sunshine | 9.1 hrs |
Avg rainfall | 14 mm 0.6 ins |
Rainy days | 1 days |
Sea temperature | 30.8°C 87.4°F |
Humidity | 52% |
Windspeed | 11.9kph 7 mph |
On average September is the 6th driest month of the year in Najrān with around 14mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 1 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 Najrān in September 2025.
Best places to visit in September
Hottest month: | July | 35.1°C 95.2°F |
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Driest month: | December | 4mm 0.2ins |
Sunniest month: | October | 10.1hrs |
Coldest month: | January | 22.3°C 72.1°F |
Wettest month: | April | 41mm 1.6ins |