September weather forecastSulab, Iran
September
Weather in September
September, the first month of the autumn in Sulab, is still a tropical month, with an average temperature fluctuating between 20.4°C (68.7°F) and 32.3°C (90.1°F).Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a fiery hot 36.3°C (97.3°F) in August to a tropical 32.3°C (90.1°F). Sulab observes an average nighttime temperature of 20.4°C (68.7°F) during September.Humidity
The average relative humidity in September in Sulab is 22%.Rainfall
Months with rainfall are January through July, September through December. September is the first month it rains. Throughout September, in the average 0.7 rainfall days, it receives 1mm (0.04") of precipitation. In Sulab, during the entire year, the rain falls for 43.2 days and collects up to 94mm (3.7") of precipitation.Snowfall
In Sulab, snow does not fall in April through October.Daylight
In September, the average length of the day in Sulab is 12h and 24min.On the first day of September in Sulab, Iran, sunrise is at 05:43 and sunset at 18:37. On the last day of the month, sunrise is at 06:04 and sunset at 17:55 +0330.
Sunshine
In Sulab, the average sunshine in September is 11.7h.UV index
In Sulab, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sulab, Iran
- Average high temperature in September: 32.3°C
The warmest month (with the highest average high temperature) is July (38.3°C).
The month with the lowest average high temperature is January (9.9°C).
- Average low temperature in September: 20.4°C
The month with the highest average low temperature is July (26.3°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in September
Sulab, Iran
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The month with the lowest atmospheric pressure is July (1006.1mbar).
Average wind speed in September
Sulab, Iran
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is July (13.7km/h).
The calmest month (with the lowest average wind speed) is December (5.8km/h).
Average humidity in September
Sulab, Iran
- Average humidity in September: 22%
The month with the highest relative humidity is December (50%).
The months with the lowest relative humidity are June and July (17%).
Average rainfall in September
Sulab, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (25mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Sulab, Iran
- Average rainfall days in September: 0.7 days
The month with the highest number of rainy days is April (7.6 days).
The month with the least rainy days is August (0.4 days).
Average snowfall in September
Sulab, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Sulab, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.2 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
Sulab, 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 42min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is November (Average sunshine: 7h and 6min).
Average sunshine days in September
Sulab, Iran
- Average sunshine days in September: 28.5 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is April (20.9 days).
Average UV index in September
Sulab, Iran
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
Sulab, Iran
- Average cloud cover in September: 3
The month with the most cloud cover is March (Cloud cover 20).
The month with the least cloud cover is September (Cloud cover 3).
Average visibility in September
Sulab, 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).





