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
Weather in September
Temperature
The average high-temperature slightly decreases in September, shifting from a tropical 31.8°C (89.2°F) in August to a warm 27.6°C (81.7°F). With a significant daily temperature differential, Vahnan's nighttime temperature in September falls to an average of 12.6°C (54.7°F).Humidity
The average relative humidity in September is 25%.Rainfall
September is the only month when rain does not fall in Vahnan.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Vahnan is 12h and 23min.On the first day of the month, sunrise is at 05:50 and sunset at 18:43. On the last day of September, in Vahnan, sunrise is at 06:11 and sunset at 18:02 +0330.
Sunshine
In September, the average sunshine in Vahnan is 11.1h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the usual temperature for Vahnan in September?
What is the average humidity in September in Vahnan?
What is the driest month in Vahnan?
Does it rain in Vahnan in September?
When it does not snow in Vahnan?
What is the average length of the day in September in Vahnan?
When is the sunrise / sunset in September in Vahnan?
How many hours of sunshine does Vahnan have in September?
How high is the UV index in September in Vahnan?
Average temperature in September
Vahnan, Iran
- Average high temperature in September: 27.6°C
The warmest month (with the highest average high temperature) is July (32.9°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 12.6°C
The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure in September
Vahnan, Iran
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is July (1006.4mbar).
Average wind speed in September
Vahnan, Iran
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is March (12.7km/h).
The calmest month (with the lowest average wind speed) is November (8.3km/h).
Average humidity in September
Vahnan, Iran
- Average humidity in September: 25%
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is July (21%).
Average rainfall in September
Vahnan, Iran
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is March (44mm).
The driest month (with the least rainfall) is September (0mm).
Average rainfall days in September
Vahnan, Iran
- Average rainfall days in September: 0.6 days
The month with the highest number of rainy days is April (10.4 days).
The month with the least rainy days is September (0.6 days).
Average snowfall in September
Vahnan, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (194mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Vahnan, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.1 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
Vahnan, Iran
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 11h and 1min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in September
Vahnan, Iran
- Average sunshine days in September: 28.7 days
The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is April (17.8 days).
Average UV index in September
Vahnan, Iran
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Vahnan, Iran
- Average cloud cover in September: 4
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 4).
Average visibility in September
Vahnan, 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).
Vahnan, Iran
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