September weather forecastKoman, Iran

September

Weather in September

The first month of the autumn, September, is still a warm month in Koman, Iran, with an average temperature varying between 25°C (77°F) and 16.8°C (62.2°F).

Temperature

Koman's weather in September involves a decrease in the average high-temperature, moving down from August's tropical 30.8°C (87.4°F) to a warm 25°C (77°F). Throughout the nights in September, an average low-temperature of 16.8°C (62.2°F) is noted.

Humidity

In September, the average relative humidity in Koman, Iran, is 64%.

Rainfall

In September, the rain falls for 15.1 days. Throughout September, 37mm (1.46") of precipitation is accumulated. In Koman, Iran, during the entire year, the rain falls for 142.5 days and collects up to 370mm (14.57") of precipitation.

Snowfall

In Koman, snow does not fall in May through September.

Daylight

In Koman, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 05:50 and sunset at 18:52. On the last day of September, sunrise is at 06:16 and sunset at 18:05 +0330.

Sunshine

The average sunshine in September in Koman is 8.2h.

UV index

The average daily maximum UV index in September in Koman, Iran, is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 5 during September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. To protect against the Sun's most potent rays, avoid direct exposure around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

September temperatures vary between a high-temperature of 25°C (77°F) and a low-temperature of 16.8°C (62.2°F). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 32°C (89.6°F).

In September, the average relative humidity in Koman, Iran, is 64%.

In Koman, Iran, in September, during 15.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

In Koman, Iran, snow does not fall in May through September.

In Koman, Iran, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Koman, Iran, is 12h and 27min.

On the first day of September in Koman, Iran, sunrise is at 05:50 and sunset at 18:52. On the last day of the month, sunrise is at 06:16 and sunset at 18:05 +0330.

In September, the average sunshine duration in Koman is 8.2h.

In Koman, Iran, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Koman, Iran

  • Average high temperature in September: 25°C

The warmest month (with the highest average high temperature) is July (32.3°C).
The month with the lowest average high temperature is January (6.7°C).

  • Average low temperature in September: 16.8°C

The month with the highest average low temperature is July (21.3°C).
The coldest month (with the lowest average low temperature) is January (0.4°C).

Average pressure in September
Koman, Iran

  • Average pressure in September: 1015.1mbar

The months with the highest atmospheric pressure are November and December (1022.1mbar).
The month with the lowest atmospheric pressure is July (1010mbar).

Average wind speed in September
Koman, Iran

  • Average wind speed in September: 7km/h

The windiest month (with the highest average wind speed) is July (8.6km/h).
The calmest month (with the lowest average wind speed) is December (5.2km/h).

Average humidity in September
Koman, Iran

  • Average humidity in September: 64%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is July (45%).

Average rainfall in September
Koman, Iran

  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is July (14mm).

Average rainfall days in September
Koman, Iran

  • Average rainfall days in September: 15.1 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is December (7.1 days).

Average snowfall in September
Koman, Iran

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (133mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Koman, Iran

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 12min

The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).

Average sunshine days in September
Koman, Iran

  • Average sunshine days in September: 11.9 days

The month with the most sunshine days is December (20.8 days).
The month with the least sunshine days is May (8.5 days).

Average UV index in September
Koman, 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 and December (UV index 2).

Average cloud cover in September
Koman, Iran

  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 18).

Average visibility in September
Koman, Iran

  • Average visibility in September: 9km

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