September weather forecast
Chileh Sar, Iran

September

Weather in September

The first month of the autumn, September, is still a warm month in Chileh Sar, Iran, with an average temperature fluctuating between 27.3°C (81.1°F) and 29.5°C (85.1°F).

Temperature

The start of September sees the average high-temperature at a still moderately hot 29.5°C (85.1°F), showing little difference from August's 29.6°C (85.3°F). Chileh Sar registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 27.3°C (81.1°F) during September.

Heat index

For September, the heat index is appraised at a torrid 35°C (95°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The average relative humidity in September is 76%.

Rainfall

May and September are months without rainfall.

Daylight

In Chileh Sar, Iran, the average length of the day in September is 12h and 18min.
On the first day of the month, sunrise is at 05:05 and sunset at 17:43. On the last day of September, sunrise is at 05:16 and sunset at 17:12 +0330.

Sunshine

April, May, September through December, with an average of 9.9h of sunshine, are months with the most sunshine in Chileh Sar.

UV index

In Chileh Sar, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in September transforms into the following instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

How hot is it in September?
In Chileh Sar, 29.5°C (85.1°F) is the average high-temperature and 27.3°C (81.1°F) is the average low-temperature during September. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 35°C (95°F).
What is the average humidity in September?
In September, the average relative humidity is 76%.
What is the driest month?
In Chileh Sar, rain does not fall in May and September.
Does it rain in September?
In September, it doesn't rain. August is the latest month when it rains.
How many hours of daylight does Chileh Sar have in September?
In Chileh Sar, the average day length in September is 12h and 18min.
When is the sunrise / sunset in September?
In September, on the first day of the month, sunrise is at 05:05 and sunset at 17:43. On the last day of the month, sunrise is at 05:16 and sunset at 17:12 +0330.
What is the month with the most sunshine?
The months with the most sunshine are April, May, September through December, with an average of 9.9h of sunshine.
How long on average sun shines in September?
In Chileh Sar, Iran, the average sunshine duration in September is 9.9h.
How high is the UV index in September?
In Chileh Sar, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Chileh Sar, Iran
  • Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is May (32.3°C).
The month with the lowest average high temperature is January (23°C).

  • Average low temperature in September: 27.3°C

The month with the highest average low temperature is June (29.8°C).
The coldest month (with the lowest average low temperature) is January (20.3°C).

Average pressure in September
Chileh Sar, Iran
  • Average pressure in September: 1005.4mbar

The month with the highest atmospheric pressure is January (1017.2mbar).
The month with the lowest atmospheric pressure is July (998.6mbar).

Average wind speed in September
Chileh Sar, Iran
  • Average wind speed in September: 14.2km/h

The windiest month (with the highest average wind speed) is May (18.5km/h).
The calmest month (with the lowest average wind speed) is October (12.1km/h).

Average humidity in September
Chileh Sar, Iran
  • Average humidity in September: 76%

The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is December (48%).

Average rainfall in September
Chileh Sar, Iran
  • Average rainfall in September: 0mm

The wettest month (with the highest rainfall) is January (16mm).
The driest months (with the least rainfall) are May and September (0mm).

Average rainfall days in September
Chileh Sar, Iran
  • Average rainfall days in September: 0.7 days

The month with the highest number of rainy days is January (3.6 days).
The month with the least rainy days is May (0.5 days).

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

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in September: 9h and 5min

The months with the most sunshine are April, May, September, October, November and December (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 9h and 18min).

Average sunshine days in September
Chileh Sar, Iran
  • Average sunshine days in September: 29.1 days

The month with the most sunshine days is May (30.4 days).
The month with the least sunshine days is February (25 days).

Average UV index in September
Chileh Sar, Iran
  • Average UV index in September: 7

The months with the highest UV index are April, May and June (UV index 8).
The months with the lowest UV index are January, February and December (UV index 6).

Average cloud cover in September
Chileh Sar, Iran
  • Average cloud cover in September: 11

The month with the most cloud cover is July (Cloud cover 28).
The month with the least cloud cover is October (Cloud cover 3).

Average visibility in September
Chileh Sar, Iran
  • Average visibility in September: 10km

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

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