September weather forecastDehaj, Iran
September
Weather in September
The first month of the autumn, September, is still a tropical month in Dehaj, Iran, with temperature in the range of an average high of 30.4°C (86.7°F) and an average low of 18.6°C (65.5°F).Temperature
The transition into September subtly indicates a reduction in the average high-temperature, down to a still tropical 30.4°C (86.7°F) from August's hot 33.4°C (92.1°F). Dehaj experiences a mean low-temperature of 18.6°C (65.5°F) during September.Humidity
In Dehaj, the average relative humidity in September is 15%.Rainfall
In Dehaj, during September, the rain falls for 0.7 days and regularly aggregates up to 1mm (0.04") of precipitation. Throughout the year, there are 40.1 rainfall days, and 97mm (3.82") of precipitation is accumulated.Snowfall
In Dehaj, snow does not fall in March through October and December.Daylight
The average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 05:27 and sunset at 18:13. On the last day of September, sunrise is at 05:43 and sunset at 17:37 +0330.
Sunshine
The average sunshine in September is 10.5h.UV index
In Dehaj, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 6 in September translates into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dehaj, Iran
- Average high temperature in September: 30.4°C
The warmest month (with the highest average high temperature) is July (35.3°C).
The month with the lowest average high temperature is January (12°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is July (23.8°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in September
Dehaj, Iran
- Average pressure in September: 1011.1mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1004.1mbar).
Average wind speed in September
Dehaj, Iran
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is March (15.1km/h).
The calmest month (with the lowest average wind speed) is October (8.9km/h).
Average humidity in September
Dehaj, Iran
- Average humidity in September: 15%
The months with the highest relative humidity are January and February (39%).
The month with the lowest relative humidity is June (12%).
Average rainfall in September
Dehaj, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is April (21mm).
The driest month (with the least rainfall) is June (0mm).
Average rainfall days in September
Dehaj, Iran
- Average rainfall days in September: 0.7 days
The month with the highest number of rainy days is April (9 days).
The month with the least rainy days is June (0.3 days).
Average snowfall in September
Dehaj, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Dehaj, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Dehaj, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 10h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is February (Average sunshine: 7h and 12min).
Average sunshine days in September
Dehaj, Iran
- Average sunshine days in September: 28.9 days
The month with the most sunshine days is July (29.2 days).
The month with the least sunshine days is April (18.2 days).
Average UV index in September
Dehaj, Iran
- Average UV index in September: 6
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Dehaj, Iran
- Average cloud cover in September: 3
The month with the most cloud cover is April (Cloud cover 16).
The month with the least cloud cover is September (Cloud cover 3).
Average visibility in September
Dehaj, 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).





