September weather forecast
Derman, Iran

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Weather in September

The first month of the autumn, September, is still a warm month in Derman, Iran, with an average temperature ranging between max 27.7°C (81.9°F) and min 14.1°C (57.4°F).

Temperature

A minor decrease in the average high-temperature is observed during September, shifting from a hot 31.8°C (89.2°F) in August to a warm 27.7°C (81.9°F). Derman observes a dramatic plunge from daytime highs in September, settling at an average low-temperature of 14.1°C (57.4°F).

Humidity

The average relative humidity in September in Derman is 23%.

Rainfall

July through September are months with the least rain in Derman when the rain falls for 0.7 days and typically aggregates up to 1mm (0.04") of rain.

Snowfall

April through October are months without snowfall in Derman.

Daylight

In September, the average length of the day is 12h and 23min.
On the first day of the month, sunrise is at 05:45 and sunset at 18:38. On the last day of September, sunrise is at 06:06 and sunset at 17:57 +0330.

Sunshine

In September, the average sunshine in Derman, Iran, is 11.3h.

UV index

The average daily maximum UV index in September in Derman, Iran, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What are September temperatures in Derman?

In September, in Derman, the average high-temperature is 27.7°C (81.9°F), and the average low-temperature is 14.1°C (57.4°F).

What is the average humidity in September in Derman?

In September, the average relative humidity is 23%.

What is the driest month in Derman?

July through September are months with the least rain in Derman when the rain falls for 0.7 days and typically aggregates up to 1mm (0.04") of rain.

How much does it rain in Derman in September?

In Derman, in September, it is raining for 0.7 days, with typically 1mm (0.04") of accumulated precipitation.

When it does not snow in Derman?

April through October are months without snowfall in Derman, Iran.

How many hours of daylight does Derman have in September?

The average day length in September is 12h and 23min.

What time are sunrise and sunset in September in Derman?

In September, on the first day of the month, sunrise is at 05:45 and sunset at 18:38. On the last day of the month, sunrise is at 06:06 and sunset at 17:57 +0330.

How long on average sun shines in September in Derman?

In Derman, the average sunshine duration in September is 11.3h.

What is the UV index intensity in September in Derman?

The average daily maximum UV index in September in Derman is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Derman, Iran

Average temperature in September - Derman, Iran
  • Average high temperature in September: 27.7°C

The warmest month (with the highest average high temperature) is July (33.2°C).
The month with the lowest average high temperature is January (4.4°C).

  • Average low temperature in September: 14.1°C

The month with the highest average low temperature is July (19.6°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

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Average pressure in September
Derman, Iran

Average pressure in September - Derman, Iran
  • Average pressure in September: 1012.6mbar

The month with the highest atmospheric pressure is December (1021.6mbar).
The month with the lowest atmospheric pressure is July (1005.8mbar).

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Average wind speed in September
Derman, Iran

Average wind speed in September - Derman, Iran
  • Average wind speed in September: 8.7km/h

The windiest month (with the highest average wind speed) is March (12.5km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).

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Average humidity in September
Derman, Iran

Average humidity in September - Derman, Iran
  • Average humidity in September: 23%

The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is July (18%).

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Average rainfall in September
Derman, Iran

Average rainfall in September - Derman, Iran
  • Average rainfall in September: 1mm

The wettest month (with the highest rainfall) is March (22mm).
The driest months (with the least rainfall) are July, August and September (1mm).

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Average rainfall days in September
Derman, Iran

Average rainfall days in September - Derman, Iran
  • Average rainfall days in September: 0.7 days

The month with the highest number of rainy days is April (8.3 days).
The month with the least rainy days is September (0.7 days).

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Average snowfall in September
Derman, Iran

Average snowfall in September - Derman, Iran
  • Average snowfall in September: 0mm

The month with the highest snowfall is March (56mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Derman, Iran

Average snowfall days in September - Derman, Iran
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Derman, Iran

Average daylight in September / Average sunshine in September - Derman, 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 2min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).

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Average sunshine days in September
Derman, Iran

Average sunshine days in September - Derman, 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 April (21.2 days).

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Average UV index in September
Derman, Iran

Average UV index in September - Derman, 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, November and December (UV index 2).

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Average cloud cover in September
Derman, Iran

Average cloud cover in September - Derman, Iran
  • Average cloud cover in September: 5

The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 5).

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Average visibility in September
Derman, Iran

Average visibility in September - Derman, 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).

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Derman, Iran

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