September weather forecastChahleh, Iran
September
Weather in September
The first month of the autumn, September, is still a very hot month in Chahleh, Iran, with temperature in the range of an average low of 31.8°C (89.2°F) and an average high of 37.6°C (99.7°F).Temperature
At the start of September, Chahleh's average high-temperature reaches a still torrid 37.6°C (99.7°F), subtly different from the preceding month. During September, the nighttime temperature averages to a tropical 31.8°C (89.2°F).Heat index
The average heat index in September is estimated at a burning hot 45°C (113°F). Stay watchful: Heat exhaustion along with heat cramps are likely. Ongoing effort may cause heatstroke.The standards for the heat index are set for locations in shade and under light breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.
Humidity
The average relative humidity in September in Chahleh, Iran, is 45%.Rainfall
In Chahleh, Iran, rain does not fall in June through September.Daylight
In Chahleh, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 05:43 and sunset at 18:26. On the last day of September, in Chahleh, sunrise is at 05:57 and sunset at 17:52 +0330.
Sunshine
In Chahleh, Iran, the average sunshine in September is 11.8h.UV index
In Chahleh, Iran, the average daily maximum UV index in September is 8. A UV Index of 8 to 10 symbolizes a very high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 8 translates into these guidelines:
It is essential to prioritize protection. Unprotected skin and eyes can suffer rapid harm. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chahleh, Iran
- Average high temperature in September: 37.6°C
The warmest month (with the highest average high temperature) is July (39.7°C).
The month with the lowest average high temperature is January (19.9°C).
- Average low temperature in September: 31.8°C
The month with the highest average low temperature is August (33.9°C).
The coldest month (with the lowest average low temperature) is January (15.5°C).
Average pressure in September
Chahleh, Iran
- Average pressure in September: 1005.1mbar
The month with the highest atmospheric pressure is December (1019mbar).
The month with the lowest atmospheric pressure is July (997.5mbar).
Average wind speed in September
Chahleh, Iran
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is June (18.9km/h).
The calmest month (with the lowest average wind speed) is October (13.1km/h).
Average humidity in September
Chahleh, Iran
- Average humidity in September: 45%
The month with the highest relative humidity is January (53%).
The month with the lowest relative humidity is June (36%).
Average rainfall in September
Chahleh, Iran
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is November (41mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).
Average rainfall days in September
Chahleh, Iran
- Average rainfall days in September: 0 days
The month with the highest number of rainy days is November (5.7 days).
The months with the least rainy days are June and September (0 days).
Average daylight in September /
Average sunshine in September
Chahleh, Iran
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in September: 11h and 48min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Chahleh, Iran
- Average sunshine days in September: 30 days
The month with the most sunshine days is July (30.9 days).
The month with the least sunshine days is November (23.7 days).
Average UV index in September
Chahleh, Iran
- Average UV index in September: 8
The months with the highest UV index are May, June, July and August (UV index 9).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in September
Chahleh, Iran
- Average cloud cover in September: 1
The months with the most cloud cover are January and February (Cloud cover 17).
The months with the least cloud cover are June and September (Cloud cover 1).
Average visibility in September
Chahleh, 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).





