September weather forecast
Chang Darreh, Iran

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Chang Darreh, Iran, with temperature in the range of an average low of 14.8°C (58.6°F) and an average high of 21.9°C (71.4°F).

Temperature

A minor decrease in the average high-temperature is observed during September, shifting from a moderately hot 26.2°C (79.2°F) in August to an agreeable 21.9°C (71.4°F). Throughout September, Chang Darreh registers a consistent average low-temperature of 14.8°C (58.6°F).

Humidity

In September, the average relative humidity is 73%.

Rainfall

In September, the rain falls for 12.9 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 131.9 rainfall days, and 530mm (20.87") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Chang Darreh, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 05:48 and sunset at 18:48. On the last day of the month, sunrise is at 06:14 and sunset at 18:03 +0330.

Sunshine

The average sunshine in September in Chang Darreh is 8.5h.

UV index

In Chang Darreh, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

What is the average September temperature?
In September, in Chang Darreh, the average high-temperature is 21.9°C (71.4°F), and the average low-temperature is 14.8°C (58.6°F). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 28°C (82.4°F).
What is the average humidity in September?
The average relative humidity in September is 73%.
How much does it rain in September?
In Chang Darreh, in September, during 12.9 rainfall days, 26mm (1.02") of precipitation is typically accumulated.
When it does not snow?
May through September are months without snowfall.
Does it snow in September?
In Chang Darreh, in September, it doesn't snow. In October, it regularly snows.
How many hours of daylight does Chang Darreh have in September?
The average day length in September is 12h and 26min.
When are sunrise and sunset in September?
On the first day of September, sunrise is at 05:48 and sunset at 18:48. On the last day of the month, sunrise is at 06:14 and sunset at 18:03 +0330.
How many hours of sunshine does Chang Darreh have in September?
In September, the average sunshine duration is 8.5h.
What is the UV index intensity in September?
In Chang Darreh, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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 - Chang Darreh, Iran
Average temperature in September
Chang Darreh, Iran
  • Average high temperature in September: 21.9°C

The warmest month (with the highest average high temperature) is July (27.3°C).
The month with the lowest average high temperature is January (5°C).

  • Average low temperature in September: 14.8°C

The month with the highest average low temperature is July (17.3°C).
The coldest month (with the lowest average low temperature) is February (-0.5°C).

Average pressure in September - Chang Darreh, Iran
Average pressure in September
Chang Darreh, Iran
  • Average pressure in September: 1014.8mbar

The month with the highest atmospheric pressure is November (1022.1mbar).
The month with the lowest atmospheric pressure is July (1009.4mbar).

Average wind speed in September - Chang Darreh, Iran
Average wind speed in September
Chang Darreh, Iran
  • Average wind speed in September: 9.2km/h

The windiest months (with the highest average wind speed) are July and August (10km/h).
The calmest month (with the lowest average wind speed) is December (7.7km/h).

Average humidity in September - Chang Darreh, Iran
Average humidity in September
Chang Darreh, Iran
  • Average humidity in September: 73%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is July (57%).

Average rainfall in September - Chang Darreh, Iran
Average rainfall in September
Chang Darreh, Iran
  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is July (13mm).

Average rainfall days in September - Chang Darreh, Iran
Average rainfall days in September
Chang Darreh, Iran
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is October (16.3 days).
The month with the least rainy days is August (6.5 days).

Average snowfall in September - Chang Darreh, Iran
Average snowfall in September
Chang Darreh, Iran
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (415mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September - Chang Darreh, Iran
Average snowfall days in September
Chang Darreh, Iran
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Chang Darreh, Iran
Average daylight in September /
Average sunshine in September
Chang Darreh, Iran
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).

Average sunshine days in September - Chang Darreh, Iran
Average sunshine days in September
Chang Darreh, Iran
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is April (8.2 days).

Average UV index in September - Chang Darreh, Iran
Average UV index in September
Chang Darreh, Iran
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in September - Chang Darreh, Iran
Average cloud cover in September
Chang Darreh, Iran
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 15).

Average visibility in September - Chang Darreh, Iran
Average visibility in September
Chang Darreh, Iran
  • Average visibility in September: 9km

The months with the highest visibility are May, June, July and August (10km).
The month with the lowest visibility is February (8km).

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