The climate in Ad Dammām during September can be summarized as very hot and arid.
September is in the fall / autumn in Ad Dammām and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a hot 39°C (102°F), whilst at night 26°C (79°F) is normal.
| Daytime temperature | 39.1°C 102.3°F |
|---|---|
| Nightly temperature | 26.2°C 79.1°F |
| Average temperature | 32.6°C 90.7°F |
| Daily sunshine | 11 hrs |
| Avg rainfall | 0 mm 0 ins |
| Rainy days | 0 days |
| Sea temperature | 32.7°C 90.8°F |
| Humidity | 53% |
| Windspeed | 14.8kph 9 mph |
On average September is the 4th driest month of the year in Ad Dammām with around 0mm 0 inches of rain making it a arid time to visit.
On the flip side this corresponds to an average of 11 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 Ad Dammām in September 2025.
Best places to visit in September
| Hottest month: | July | 41.3°C 106.3°F |
|---|---|---|
| Driest month: | June | 0mm 0ins |
| Sunniest month: | October | 10.4hrs |
| Coldest month: | January | 20°C 68°F |
| Wettest month: | March | 20mm 0.8ins |