Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a scorching 42.9°C (109.2°F) in August to a very hot 39.6°C (103.3°F). As Sulayyil, amidst the high September temperatures, experiences a substantial shift to an average nighttime low of 26.4°C (79.5°F).Humidity
In September, the average relative humidity is 13%.Rainfall
June, August through December are months without rainfall.Daylight
The average length of the day in September is 12h and 16min.On the first day of September, sunrise is at 05:41 and sunset at 18:13. On the last day of the month, sunrise is at 05:48 and sunset at 17:46 +03.
Sunshine
In As Sulayyil, the average sunshine in September is 11.1h.UV index
The average daily maximum UV index in September is 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 8 during September, leads to the following recommendations:
Prioritize protection; rapid damage can occur to unprotected eyes and skin. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in As Sulayyil in September?
What is the average humidity in September in As Sulayyil?
What is the driest month in As Sulayyil?
What is the average length of the day in September in As Sulayyil?
When is the sunrise / sunset in September in As Sulayyil?
How long on average sun shines in September in As Sulayyil?
How high is the UV index in September in As Sulayyil?
Average temperature in September
As Sulayyil, Saudi Arabia
- Average high temperature in September: 39.6°C
The warmest month (with the highest average high temperature) is July (43.2°C).
The month with the lowest average high temperature is January (23.9°C).
- Average low temperature in September: 26.4°C
The month with the highest average low temperature is July (31.1°C).
The coldest month (with the lowest average low temperature) is January (12.2°C).
Average pressure in September
As Sulayyil, Saudi Arabia
- Average pressure in September: 1006.3mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1000.3mbar).
Average wind speed in September
As Sulayyil, Saudi Arabia
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is March (15.9km/h).
The calmest month (with the lowest average wind speed) is September (11.5km/h).
Average humidity in September
As Sulayyil, Saudi Arabia
- Average humidity in September: 13%
The month with the highest relative humidity is December (35%).
The month with the lowest relative humidity is June (10%).
Average rainfall in September
As Sulayyil, Saudi Arabia
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is April (12mm).
The driest months (with the least rainfall) are June, August, September, October, November and December (0mm).
Average rainfall days in September
As Sulayyil, Saudi Arabia
- Average rainfall days in September: 0.3 days
The month with the highest number of rainy days is April (6.4 days).
The month with the least rainy days is June (0 days).
Average daylight in September /
Average sunshine in September
As Sulayyil, Saudi Arabia
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in September: 11h and 1min
The months with the most sunshine are June and August (Average sunshine: 12h and 18min).
The month with the least sunshine is January (Average sunshine: 7h and 36min).
Average sunshine days in September
As Sulayyil, Saudi Arabia
- Average sunshine days in September: 29.9 days
The month with the most sunshine days is October (30.7 days).
The month with the least sunshine days is April (22.3 days).
Average UV index in September
As Sulayyil, Saudi Arabia
- Average UV index in September: 8
The months with the highest UV index are May, June, July and August (UV index 9).
The months with the lowest UV index are November and December (UV index 5).
Average cloud cover in September
As Sulayyil, Saudi Arabia
- Average cloud cover in September: 4
The month with the most cloud cover is July (Cloud cover 16).
The month with the least cloud cover is October (Cloud cover 2).
Average visibility in September
As Sulayyil, Saudi Arabia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
