September weather forecast
Chalus, Iran

September

Weather in September

The first month of the autumn, September, is still a warm month in Chalus, Iran, with an average temperature ranging between max 23°C (73.4°F) and min 14.2°C (57.6°F).

Temperature

As Chalus steps into September, the average high-temperature is measured at a still warm 23°C (73.4°F), displaying minor differences from August's 25.7°C (78.3°F). Chalus, during the month of September, experiences an average low-temperature of 14.2°C (57.6°F).

Humidity

With an average relative humidity of 76%, September is the most humid month.

Rainfall

In September, in Chalus, the rain falls for 5.3 days. Throughout September, 8mm (0.31") of precipitation is accumulated. Throughout the year, there are 88 rainfall days, and 258mm (10.16") of precipitation is accumulated.

Snowfall

In Chalus, snow does not fall in April through December.

Daylight

The average length of the day in September in Chalus is 12h and 25min.
On the first day of September in Chalus, sunrise is at 05:35 and sunset at 18:32. On the last day of the month, sunrise is at 05:59 and sunset at 17:49 +0330.

Sunshine

In September, the average sunshine is 9.9h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.

Frequently asked questions

What is the average September temperature in Chalus?
The high-temperature, in September, in Chalus, is 23°C (73.4°F), while the low-temperature averages to 14.2°C (57.6°F).
What is the most humid month in Chalus?
The most humid month in Chalus, Iran, is September, with an average relative humidity of 76%.
What is the average humidity in September in Chalus?
The average relative humidity in September in Chalus is 76%.
How much does it rain in Chalus in September?
In September, the rain falls for 5.3 days. Throughout September, 8mm (0.31") of precipitation is accumulated.
When it does not snow in Chalus?
April through December are months without snowfall in Chalus.
What is the average length of the day in September in Chalus?
In September, the average day length in Chalus, Iran, is 12h and 25min.
When is the sunrise / sunset in September in Chalus?
In September, on the first day of the month, sunrise is at 05:35 and sunset at 18:32. On the last day of the month, sunrise is at 05:59 and sunset at 17:49 +0330.
How many hours of sunshine does Chalus have in September?
In September, the average sunshine duration in Chalus is 9.9h.
How high is the UV index in September in Chalus?
In September, the average daily maximum UV index in Chalus, Iran, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Chalus, Iran
  • Average high temperature in September: 23°C

The warmest month (with the highest average high temperature) is July (26.3°C).
The months with the lowest average high temperature are January and February (7.8°C).

  • Average low temperature in September: 14.2°C

The month with the highest average low temperature is July (16.9°C).
The coldest month (with the lowest average low temperature) is February (1.1°C).

Average pressure in September
Chalus, Iran
  • Average pressure in September: 1013.5mbar

The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is July (1008.1mbar).

Average wind speed in September
Chalus, Iran
  • Average wind speed in September: 7.5km/h

The windiest months (with the highest average wind speed) are January, February and March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).

Average humidity in September
Chalus, Iran
  • Average humidity in September: 76%

The month with the highest relative humidity is September (76%).
The month with the lowest relative humidity is May (64%).

Average rainfall in September
Chalus, Iran
  • Average rainfall in September: 8mm

The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is June (5mm).

Average rainfall days in September
Chalus, Iran
  • Average rainfall days in September: 5.3 days

The month with the highest number of rainy days is March (10.9 days).
The month with the least rainy days is September (5.3 days).

Average snowfall in September
Chalus, Iran
  • Average snowfall in September: 0mm

The month with the highest snowfall is March (7mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Chalus, Iran
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are February and March (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Chalus, Iran
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 9h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are February and November (Average sunshine: 5h and 48min).

Average sunshine days in September
Chalus, Iran
  • Average sunshine days in September: 22.8 days

The month with the most sunshine days is July (24.7 days).
The month with the least sunshine days is March (18.8 days).

Average UV index in September
Chalus, Iran
  • Average UV index in September: 5

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

Average cloud cover in September
Chalus, Iran
  • Average cloud cover in September: 25

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is June (Cloud cover 17).

Average visibility in September
Chalus, Iran
  • Average visibility in September: 8km

The month with the highest visibility is June (10km).
The month with the lowest visibility is September (8km).

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