Weather in September
Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from an extremely hot 44.7°C (112.5°F) in August to a still blistering 41.4°C (106.5°F). In the month of September, Dammam witnesses a marked temperature drop at night, averaging a low of 25.2°C (77.4°F).Humidity
In September, the average relative humidity is 37%.Rainfall
January through May, September through December are months with rainfall. September is the first month it rains. Throughout September, Dammam receives 1mm (0.04") of precipitation. During the entire year, Dammam aggregates up to 86mm (3.39") of precipitation.Sea temperature
In Dammam, Saudi Arabia, the average seawater temperature in September is 32.2°C (90°F).Note: Water that's warmer than 30°C (86°F) might not offer the desired refreshing feeling during high temperatures.
Daylight
In Dammam, the average length of the day in September is 12h and 19min.On the first day of the month, sunrise is at 05:20 and sunset at 17:59. On the last day of September, in Dammam, sunrise is at 05:32 and sunset at 17:27 +03.
Frequently asked questions
How hot does it get in Dammam in September?
What is the average humidity in September in Dammam?
When does it start raining in Dammam?
What is the sea temperature in September in Dammam?
What is the average length of the day in September in Dammam?
When are sunrise and sunset in September in Dammam?
Average temperature in September
Dammam, Saudi Arabia
- Average high temperature in September: 41.4°C
The warmest month (with the highest average high temperature) is July (45°C).
The month with the lowest average high temperature is January (21.1°C).
- Average low temperature in September: 25.2°C
The month with the highest average low temperature is July (29.3°C).
The coldest month (with the lowest average low temperature) is January (9.5°C).
Average humidity in September
Dammam, Saudi Arabia
- Average humidity in September: 37%
The months with the highest relative humidity are January and December (59%).
The month with the lowest relative humidity is June (20%).
Average rainfall in September
Dammam, Saudi Arabia
- Average rainfall in September: 0.5mm
The wettest month (with the highest rainfall) is December (23mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Dammam, Saudi Arabia
- Average rainfall days in September: 0 days
The month with the highest number of rainy days is January (9.3 days).
The months with the least rainy days are June, July, August and September (0 days).
Average sea temperature in September
Dammam, Saudi Arabia
- Average sea temperature in September: 32.2°C
The best month for swimming (with the highest average sea temperature) is August (33.3°C).
The coldest month (with the lowest average sea temperature) is February (18.7°C).
Average daylight in September
Dammam, Saudi Arabia
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
Dammam, Saudi Arabia
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