September weather forecast and climate
ilan, Iran

The first month of the autumn, September, is still a tropical month in ilan, Iran, with temperature in the range of an average low of 23.5°C (74.3°F) and an average high of 34.8°C (94.6°F).

Temperature

In ilan, the average high-temperature in September slightly decreases, from a very hot 38.4°C (101.1°F) in August, to a tropical 34.8°C (94.6°F). In ilan, the average low-temperature is 23.5°C (74.3°F).

Humidity

In September, the average relative humidity is 20%.

Rainfall

In ilan, during September, the rain falls for 1 days and regularly aggregates up to 1mm (0.04") of precipitation. In ilan, during the entire year, the rain falls for 51.9 days and collects up to 240mm (9.45") of precipitation.

Daylight

The average length of the day in September is 12.3h.

Sunshine

In ilan, the average sunshine in September is 11.6h.

UV index

In September, the average daily maximum UV index in ilan is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in ilan?

In September, in ilan, the average high-temperature is 34.8°C (94.6°F), and the average low-temperature is 23.5°C (74.3°F).

What is the average humidity in September in ilan?

The average relative humidity in September is 20%.

How many days does it rain in September in ilan?

In ilan, Iran, during September, the rain falls for 1 days and regularly aggregates up to 1mm (0.04") of precipitation.

What is the average length of the day in September in ilan?

In ilan, the average length of the day in September is 12.3h.

How many hours of sunshine does ilan have in September?

In September, the average sunshine in ilan is 11.6h.

What is the UV index reading in September in ilan?

In ilan, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to the UV radiation.
Average temperature in September - ilan, Iran
  • Average high temperature in September: 34.8°C

The warmest month (with the highest average high temperature) is July (39.3°C).
The month with the lowest average high temperature is January (13.8°C).

  • Average low temperature in September: 23.5°C

The month with the highest average low temperature is July (27.5°C).
The coldest month (with the lowest average low temperature) is January (5.8°C).

Average pressure in September - ilan, Iran
  • Average pressure in September: 1007.8mbar

The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is July (1000.6mbar).

Average wind speed in September - ilan, Iran
  • Average wind speed in September: 8.1km/h

The windiest month (with the highest average wind speed) is June (10.3km/h).
The calmest month (with the lowest average wind speed) is December (5.1km/h).

Average humidity in September - ilan, Iran
  • Average humidity in September: 20%

Months with the highest relative humidity are January and February (46%).
The month with the lowest relative humidity is June (13%).

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

The wettest months (with the highest rainfall) are March and November (45mm).
The driest month (with the least rainfall) is June (0mm).

Average rainfall days in September - ilan, Iran
  • Average rainfall days in September: 1 days

The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is June (0.5 days).

Average daylight in September / Average sunshine in September - ilan, Iran
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

  • Average sunshine in September: 11.6h

Months with the most sunshine are June and August (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 7.1h).

Average sunshine days in September - ilan, Iran
  • Average sunshine days in September: 27.9 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is February (19.5 days).

Average UV index in September - ilan, Iran
  • Average UV index in September: 7

Months with the highest UV index are May, June, July and August (UV index 8).
Months with the lowest UV index are January, February, November and December (UV index 4).

Average cloud cover in September - ilan, Iran
  • Average cloud cover in September: 3

Months with the most cloud cover are January and February (Cloud cover 17).
Months with the least cloud cover are June and September (Cloud cover 3).

Average visibility in September - ilan, Iran
  • Average visibility in September: 10km

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