September weather forecast
Darreh Yas, Iran

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.

Frequently asked questions

What is the temperature in September?
In Darreh Yas, in September, the average high-temperature is 26.7°C (80.1°F), and the average low-temperature is 12.6°C (54.7°F).
What is the average humidity in September?
The average relative humidity in September is 21%.
What is the driest month?
September is the only month when rain does not fall.
Does it rain in September?
In September, it doesn't rain. August is the latest month when it rains.
When it does not snow?
April through October are months without snowfall.
What is the average length of the day in September?
The average day length in September is 12h and 22min.
What time are sunrise and sunset in September?
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.
How many hours of sunshine does Darreh Yas have in September?
In Darreh Yas, Iran, the average sunshine duration in September is 11.6h.
How high is the UV index in September?
In Darreh Yas, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
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 2min

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 4min

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).

englishespañol中文
Share