September weather forecastBorashan, Iran
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Borashan, Iran, with an average temperature ranging between max 25.3°C (77.5°F) and min 13.4°C (56.1°F).Temperature
September signals a slight drop in average high-temperature, sliding from August's warm 29.3°C (84.7°F) to a still moderately hot 25.3°C (77.5°F). Borashan reports an average low-temperature of 13.4°C (56.1°F) during the nights of September.Humidity
The average relative humidity in September in Borashan is 38%.Rainfall
The months with the least rainfall are August and September Rain falls for 2.3 days and accumulates 3mm (0.12") of rain.Snowfall
In Borashan, Iran, snow does not fall in May through October.Daylight
In Borashan, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 06:00 and sunset at 18:58. On the last day of September, sunrise is at 06:24 and sunset at 18:14 +0330.
Sunshine
In September, the average sunshine is 9.9h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Borashan, Iran
- Average high temperature in September: 25.3°C
The warmest month (with the highest average high temperature) is July (29.9°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is July (18.6°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).
Average pressure in September
Borashan, Iran
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is December (1022.1mbar).
The month with the lowest atmospheric pressure is July (1006.8mbar).
Average wind speed in September
Borashan, Iran
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is July (9.3km/h).
The calmest month (with the lowest average wind speed) is November (6.7km/h).
Average humidity in September
Borashan, Iran
- Average humidity in September: 38%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (35%).
Average rainfall in September
Borashan, Iran
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is March (33mm).
The driest months (with the least rainfall) are August and September (3mm).
Average rainfall days in September
Borashan, Iran
- Average rainfall days in September: 2.3 days
The month with the highest number of rainy days is April (9.8 days).
The month with the least rainy days is August (1.6 days).
Average snowfall in September
Borashan, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (131mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Borashan, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.2 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
Borashan, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 42min).
Average sunshine days in September
Borashan, Iran
- Average sunshine days in September: 26.2 days
The month with the most sunshine days is August (28.1 days).
The month with the least sunshine days is April (18 days).
Average UV index in September
Borashan, Iran
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Borashan, Iran
- Average cloud cover in September: 5
The months with the most cloud cover are January, February and March (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 5).
Average visibility in September
Borashan, Iran
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).





