Weather in Dammam: September
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Average day temperature: | 100.9°F |
| Average night temperature: | 88.9°F | |
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Sea water temperature: | 91.4°F |
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Number of sunny days: | 30 days |
| Day length: | 11.9 - 12.7 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.0 in. | |
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forecast
| Dammam |
temperature
| Dammam |
Air temperature in September, °F
The highest day temperature during September of 2025 was 103°F. At the same time the lowest night temperature was 82°F. Daily and nightly averages during September were 98.1°F and 88.2°F.
Sea water temperature in Dammam in September, °F
The average sea water temperature in September of 2025 was 90.6°F. The highest and lowest sea temperatures during the month were 93.6°F and 85.6°F.
Almost all days of September in Dammam are sunny. Cloudy days are rare.
Precipitation total in September, in.
Precipitation total value in Dammam in September is 0.0 in. Other months of the year show relatively similar values.
The average wind speed value in September is 9.9 mph It makes September one of the least windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 12.2.
Best time for vacation in Dammam
Dammam on a weather map
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