September weather forecastDarreh Yas, Iran
September weather forecast for Darreh Yas, Iran: The first month of the autumn, September, is still a warm month in Darreh Yas, Iran, with an average temperature ranging between min 12.6°C (54.7°F) and max 26.7°C (80.1°F). Darreh Yas's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's tropical 30.3°C (86.5°F) to a moderately hot 26.7°C (80.1°F).
September
Weather in September
The first month of the autumn, September, is still a warm month in Darreh Yas, Iran, with an average temperature ranging between min 12.6°C (54.7°F) and max 26.7°C (80.1°F).Temperature
Darreh Yas's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's tropical 30.3°C (86.5°F) to a moderately hot 26.7°C (80.1°F). Darreh Yas reports a sharp reduction in temperature during September, averaging at a fresh 12.6°C (54.7°F) at night.Humidity
In Darreh Yas, the average relative humidity in September is 21%.Rainfall
The only month without rainfall is September.Snowfall
In Darreh Yas, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 05:42 and sunset at 18:30. On the last day of the month, sunrise is at 05:59 and sunset at 17:52 +0330.
Sunshine
In September, the average sunshine is 11.6h.UV index
In Darreh Yas, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Darreh Yas, Iran
- Average high temperature in September: 26.7°C
The warmest month (with the highest average high temperature) is July (31.6°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 12.6°C
The month with the highest average low temperature is July (18.2°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Darreh Yas, Iran
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is July (1005mbar).
Average wind speed in September
Darreh Yas, Iran
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is March (11km/h).
The calmest month (with the lowest average wind speed) is November (6.4km/h).
Average humidity in September
Darreh Yas, Iran
- Average humidity in September: 21%
The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is July (17%).
Average rainfall in September
Darreh Yas, Iran
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is February (37mm).
The driest month (with the least rainfall) is September (0mm).
Average rainfall days in September
Darreh Yas, Iran
- Average rainfall days in September: 0.9 days
The month with the highest number of rainy days is April (9.3 days).
The months with the least rainy days are August and September (0.9 days).
Average snowfall in September
Darreh Yas, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (160mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Darreh Yas, 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
Darreh Yas, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 11h and 36min
The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in September
Darreh Yas, Iran
- Average sunshine days in September: 28.9 days
The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is February (16.6 days).
Average UV index in September
Darreh Yas, 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, November and December (UV index 2).
Average cloud cover in September
Darreh Yas, Iran
- Average cloud cover in September: 5
The months with the most cloud cover are January and February (Cloud cover 20).
The month with the least cloud cover is September (Cloud cover 5).
Average visibility in September
Darreh Yas, 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).
