September weather forecastChileh 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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 18min
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 54min
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).





