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
September sees a slight reduction in average high-temperature, with a shift from a very hot 36.3°C (97.3°F) in August to a tropical 32.3°C (90.1°F). September's nights observe an average temperature of 20.4°C (68.7°F).Humidity
The average relative humidity in September is 22%.Rainfall
January through July, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 0.7 rainfall days, it receives 1mm (0.04") of precipitation. Throughout the year, there are 43.2 rainfall days, and 94mm (3.7") of precipitation is accumulated.Snowfall
In Sefidaleh, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 23min.On the first day of September in Sefidaleh, sunrise is at 05:41 and sunset at 18:35. On the last day of the month, sunrise is at 06:02 and sunset at 17:54 +0330.
Sunshine
In September, the average sunshine is 11.7h.UV index
In Sefidaleh, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 6 in September transforms into this advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in 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 are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Sefidaleh, Iran
- Average high temperature in September: 32.3°C
The warmest month (with the highest average high temperature) is July (38.3°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in September: 20.4°C
The month with the highest average low temperature is July (26.3°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in September
Sefidaleh, Iran
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The month with the lowest atmospheric pressure is July (1006.1mbar).
Average wind speed in September
Sefidaleh, Iran
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is July (13.7km/h).
The calmest month (with the lowest average wind speed) is December (5.8km/h).
Average humidity in September
Sefidaleh, Iran
- Average humidity in September: 22%
The month with the highest relative humidity is December (50%).
The months with the lowest relative humidity are June and July (17%).
Average rainfall in September
Sefidaleh, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (25mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Sefidaleh, Iran
- Average rainfall days in September: 0.7 days
The month with the highest number of rainy days is April (7.6 days).
The month with the least rainy days is August (0.4 days).
Average snowfall in September
Sefidaleh, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Sefidaleh, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sefidaleh, Iran
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 11h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is November (Average sunshine: 7h and 6min).
Average sunshine days in September
Sefidaleh, Iran
- Average sunshine days in September: 28.5 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is April (20.9 days).
Average UV index in September
Sefidaleh, Iran
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
Sefidaleh, Iran
- Average cloud cover in September: 3
The month with the most cloud cover is March (Cloud cover 20).
The month with the least cloud cover is September (Cloud cover 3).
Average visibility in September
Sefidaleh, Iran
- 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).
