September weather forecastNow Chaman, Iran
September
Weather in September
The first month of the autumn, September, is still a warm month in Now Chaman, Iran, with an average temperature ranging between min 18.2°C (64.8°F) and max 28°C (82.4°F).Temperature
September's advent denotes a minor fluctuation in the average high-temperature to a moderately hot 28°C (82.4°F) from August's 30.9°C (87.6°F). During September, Now Chaman records an average temperature of 18.2°C (64.8°F) at night.Heat index
September's average heat index is calculated to be 28°C (82.4°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in September is 49%.Rainfall
In Now Chaman, Iran, during September, the rain falls for 9.3 days and regularly aggregates up to 26mm (1.02") of precipitation. In Now Chaman, Iran, during the entire year, the rain falls for 143.2 days and collects up to 458mm (18.03") of precipitation.Snowfall
April through October are months without snowfall in Now Chaman.Daylight
In Now Chaman, the average length of the day in September is 12h and 25min.On the first day of September in Now Chaman, sunrise is at 05:24 and sunset at 18:21. On the last day of the month, sunrise is at 05:47 and sunset at 17:37 +0330.
Sunshine
In September, the average sunshine is 10.7h.UV index
In Now Chaman, Iran, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 6 in September translates into this advice:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Now Chaman, Iran
- Average high temperature in September: 28°C
The warmest month (with the highest average high temperature) is July (31.9°C).
The month with the lowest average high temperature is January (10.6°C).
- Average low temperature in September: 18.2°C
The month with the highest average low temperature is July (22.3°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in September
Now Chaman, Iran
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is July (1008mbar).
Average wind speed in September
Now Chaman, Iran
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is November (6.3km/h).
Average humidity in September
Now Chaman, Iran
- Average humidity in September: 49%
The month with the highest relative humidity is February (60%).
The months with the lowest relative humidity are June and August (46%).
Average rainfall in September
Now Chaman, Iran
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (61mm).
The driest months (with the least rainfall) are July and December (20mm).
Average rainfall days in September
Now Chaman, Iran
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are July and August (7.7 days).
Average snowfall in September
Now Chaman, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Now Chaman, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Now Chaman, Iran
- Average daylight in September: 12h and 24min
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: 10h and 42min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in September
Now Chaman, Iran
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is May (7.5 days).
Average UV index in September
Now Chaman, Iran
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, March and December (UV index 3).
Average cloud cover in September
Now Chaman, Iran
- Average cloud cover in September: 10
The months with the most cloud cover are February and March (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Now Chaman, 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).





