September weather forecastMashhad, Iran
September
Weather in September
With temperature readings dropping between 14.8°C (58.6°F) and 26.2°C (79.2°F), September signals the onset of autumn, providing some respite from the summer heat. Rain starts to sprout after a prolonged dry period, marking the end of the rainless phase. The wind speed further drops to 9.9km/h (6.2mph), whipping up a refreshing breeze in the cooler evenings. Even with furtive showers around, sunlight graces the city for 12.4 hours on average. While humidity increases, the atmospheric pressure notches up to 1014 mb, foretelling the return of the wetter autumnal weather.Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from a hot 30°C (86°F) in August to a moderately hot 26.2°C (79.2°F). An average low-temperature of 14.8°C (58.6°F) marks the month of September in Mashhad.Humidity
The average relative humidity in September is 25%.Rainfall
July through September are months without rainfall.Snowfall
May through October are months without snowfall in Mashhad, Iran.Daylight
In Mashhad, the average length of the day in September is 12h and 25min.On the first day of September in Mashhad, sunrise is at 05:03 and sunset at 17:59. On the last day of the month, sunrise is at 05:26 and sunset at 17:16 +0330.
Sunshine
In Mashhad, the average sunshine in September is 10h.UV index
In Mashhad, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. 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
Mashhad, Iran
- Average high temperature in September: 26.2°C
The warmest month (with the highest average high temperature) is July (32.1°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in September: 14.8°C
The month with the highest average low temperature is July (20.9°C).
The coldest month (with the lowest average low temperature) is January (-1°C).
Average pressure in September
Mashhad, Iran
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is July (1007.2mbar).
Average wind speed in September
Mashhad, Iran
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is July (15.7km/h).
The calmest month (with the lowest average wind speed) is November (7.8km/h).
Average humidity in September
Mashhad, Iran
- Average humidity in September: 25%
The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is July (20%).
Average rainfall in September
Mashhad, Iran
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is April (35mm).
The driest months (with the least rainfall) are July, August and September (0mm).
Average rainfall days in September
Mashhad, Iran
- Average rainfall days in September: 0.6 days
The month with the highest number of rainy days is March (12 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in September
Mashhad, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (126mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Mashhad, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mashhad, 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 0min
The month with the most sunshine is August (Average sunshine: 12h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 54min).
Average sunshine days in September
Mashhad, Iran
- Average sunshine days in September: 29.3 days
The month with the most sunshine days is August (30.4 days).
The month with the least sunshine days is April (14.8 days).
Average UV index in September
Mashhad, Iran
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Mashhad, Iran
- Average cloud cover in September: 3
The month with the most cloud cover is February (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility in September
Mashhad, 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).





