September weather forecastZirian, Iran

September

Weather in September

September, the first month of the autumn in Zirian, is also an agreeable month, with an average temperature fluctuating between 11.4°C (52.5°F) and 22.1°C (71.8°F).

Temperature

September indicates a minor shift in the average high-temperature, from August's warm 25.7°C (78.3°F) to a pleasant 22.1°C (71.8°F). Zirian observes an average low-temperature of 11.4°C (52.5°F) during September.

Humidity

The average relative humidity in September in Zirian, Iran, is 58%.

Rainfall

In Zirian, in September, during 8.8 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, in Zirian, there are 100.2 rainfall days, and 282mm (11.1") of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day in Zirian, Iran, is 12h and 26min.
On the first day of the month, sunrise is at 05:51 and sunset at 18:52. On the last day of September, sunrise is at 06:17 and sunset at 18:06 +0330.

Sunshine

The average sunshine in September is 10.4h.

UV index

In September, the average daily maximum UV index in Zirian, Iran, 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 average individuals.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

During September, Zirian experiences an average high-temperature of 22.1°C (71.8°F) and a low-temperature of 11.4°C (52.5°F).

In Zirian, the average relative humidity in September is 58%.

In Zirian, during September, the rain falls for 8.8 days and regularly aggregates up to 25mm (0.98") of precipitation.

May through September are months without snowfall in Zirian, Iran.

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

The average day length in September is 12h and 26min.

On the first day of September in Zirian, Iran, sunrise is at 05:51 and sunset at 18:52. On the last day of the month, sunrise is at 06:17 and sunset at 18:06 +0330.

In September, the average sunshine duration in Zirian, Iran, is 10.4h.

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Zirian, Iran

  • Average high temperature in September: 22.1°C

The warmest month (with the highest average high temperature) is July (26.6°C).
The month with the lowest average high temperature is January (1.2°C).

  • Average low temperature in September: 11.4°C

The month with the highest average low temperature is July (14.9°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average pressure in September
Zirian, Iran

  • Average pressure in September: 1014.5mbar

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

Average wind speed in September
Zirian, Iran

  • Average wind speed in September: 9.7km/h

The windiest month (with the highest average wind speed) is March (14.2km/h).
The calmest month (with the lowest average wind speed) is September (9.7km/h).

Average humidity in September
Zirian, Iran

  • Average humidity in September: 58%

The months with the highest relative humidity are January and February (71%).
The months with the lowest relative humidity are July and August (52%).

Average rainfall in September
Zirian, Iran

  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is May (50mm).
The driest month (with the least rainfall) is August (12mm).

Average rainfall days in September
Zirian, Iran

  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in September
Zirian, Iran

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (112mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Zirian, Iran

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (8 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
Zirian, Iran

  • Average daylight in September: 12h and 24min

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: 10h and 24min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in September
Zirian, Iran

  • Average sunshine days in September: 18.1 days

The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is April (12.3 days).

Average UV index in September
Zirian, Iran

  • Average UV index in September: 4

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

Average cloud cover in September
Zirian, Iran

  • Average cloud cover in September: 17

The month with the most cloud cover is February (Cloud cover 30).
The months with the least cloud cover are June, July and August (Cloud cover 14).

Average visibility in September
Zirian, Iran

  • Average visibility in September: 10km

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).