September weather forecastKhownan, Iran
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Khownan, Iran, with an average temperature ranging between max 27.1°C (80.8°F) and min 15.2°C (59.4°F).Temperature
A mild drop in Khownan's average high-temperature is observed in September, transitioning from a hot 31°C (87.8°F) in August to a moderately hot 27.1°C (80.8°F). In Khownan, the September nights cool down to an average low of 15.2°C (59.4°F).Heat index
The heat index value during September is calculated to be 27°C (80.6°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Heat index determinations are made taking into account the shade and light air movements. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 particularly relevant to children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
Humidity
In September, the average relative humidity in Khownan is 45%.Rainfall
July through September are months with the least rain in Khownan when the rain falls for 2.4 days and typically aggregates up to 3mm (0.12") of rain.Snowfall
May through October are months without snowfall in Khownan.Daylight
The average length of the day in September in Khownan, Iran, is 12h and 25min.On the first day of September, sunrise is at 05:41 and sunset at 18:37. On the last day of the month, sunrise is at 06:04 and sunset at 17:54 +0330.
Sunshine
The average sunshine in September in Khownan is 11.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Khownan, Iran
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is July (32.7°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 15.2°C
The month with the highest average low temperature is July (19.1°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).
Average pressure in September
Khownan, Iran
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is July (1008.3mbar).
Average wind speed in September
Khownan, Iran
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is July (12.8km/h).
The calmest month (with the lowest average wind speed) is December (9.1km/h).
Average humidity in September
Khownan, Iran
- Average humidity in September: 45%
The month with the highest relative humidity is February (60%).
The month with the lowest relative humidity is June (39%).
Average rainfall in September
Khownan, Iran
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is April (43mm).
The driest months (with the least rainfall) are July, August and September (3mm).
Average rainfall days in September
Khownan, Iran
- Average rainfall days in September: 2.4 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (1.5 days).
Average snowfall in September
Khownan, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (128mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Khownan, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Khownan, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 11h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in September
Khownan, Iran
- Average sunshine days in September: 25.2 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in September
Khownan, Iran
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Khownan, Iran
- Average cloud cover in September: 6
The month with the most cloud cover is February (Cloud cover 26).
The months with the least cloud cover are August and September (Cloud cover 6).
Average visibility in September
Khownan, 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).
