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 snowfall in September
- Average snowfall 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
In September, the average high-temperature marginally decreases from a hot 33.7°C (92.7°F) in August to a warm 29.3°C (84.7°F). Dahleh Sufian registers a significant drop in temperature in September, with average nighttime lows of 10.9°C (51.6°F).Humidity
The average relative humidity in September is 28%.Rainfall
Months with rainfall are January through May, September through December. September is the first month it rains. Throughout September, in the average 0.8 rainfall days, it receives 1mm (0.04") of precipitation. In Dahleh Sufian, during the entire year, the rain falls for 64.9 days and collects up to 300mm (11.81") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 05:45 and sunset at 18:36. On the last day of September, sunrise is at 06:05 and sunset at 17:57 +0330.
Sunshine
In September, the average sunshine is 11.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
When does it start raining?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Dahleh Sufian, Iran
- Average high temperature in September: 29.3°C
The warmest month (with the highest average high temperature) is July (34.6°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is July (17°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in September
Dahleh Sufian, Iran
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is July (1004.2mbar).
Average wind speed in September
Dahleh Sufian, Iran
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is March (9.9km/h).
The calmest month (with the lowest average wind speed) is November (6.9km/h).
Average humidity in September
Dahleh Sufian, Iran
- Average humidity in September: 28%
The month with the highest relative humidity is January (63%).
The month with the lowest relative humidity is July (18%).
Average rainfall in September
Dahleh Sufian, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (59mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Dahleh Sufian, Iran
- Average rainfall days in September: 0.8 days
The month with the highest number of rainy days is March (11.2 days).
The months with the least rainy days are July and August (0.3 days).
Average snowfall in September
Dahleh Sufian, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (117mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dahleh Sufian, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Dahleh Sufian, Iran
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 11h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in September
Dahleh Sufian, Iran
- Average sunshine days in September: 29.3 days
The month with the most sunshine days is July (30.8 days).
The month with the least sunshine days is February (16.7 days).
Average UV index in September
Dahleh Sufian, Iran
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Dahleh Sufian, Iran
- Average cloud cover in September: 3
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 3).
Average visibility in September
Dahleh Sufian, Iran
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
