September weather forecastZarjan, Iran
September
Weather in September
The first month of the autumn, September, is still a hot month in Zarjan, Iran, with an average temperature varying between 21.4°C (70.5°F) and 31.3°C (88.3°F).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from 34.8°C (94.6°F) in August to a still hot 31.3°C (88.3°F). During the month of September, an average temperature of 21.4°C (70.5°F) is noted during the nights.Humidity
In September, the average relative humidity in Zarjan is 17%.Rainfall
In Zarjan, in September, it is raining for 1.3 days, with typically 2mm (0.08") of accumulated precipitation. In Zarjan, Iran, during the entire year, the rain falls for 49.2 days and collects up to 200mm (7.87") of precipitation.Snowfall
In Zarjan, snow does not fall in February through December.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 05:35 and sunset at 18:18. On the last day of September, sunrise is at 05:49 and sunset at 17:44 +0330.
Sunshine
In September, the average sunshine in Zarjan is 11.1h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Zarjan, Iran
- Average high temperature in September: 31.3°C
The warmest month (with the highest average high temperature) is July (36.3°C).
The month with the lowest average high temperature is January (11.7°C).
- Average low temperature in September: 21.4°C
The month with the highest average low temperature is July (25.5°C).
The coldest month (with the lowest average low temperature) is January (3.9°C).
Average pressure in September
Zarjan, Iran
- Average pressure in September: 1009.1mbar
The month with the highest atmospheric pressure is December (1019.3mbar).
The month with the lowest atmospheric pressure is July (1001.9mbar).
Average wind speed in September
Zarjan, Iran
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is July (10.4km/h).
The calmest month (with the lowest average wind speed) is December (6.1km/h).
Average humidity in September
Zarjan, Iran
- Average humidity in September: 17%
The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is June (12%).
Average rainfall in September
Zarjan, Iran
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is February (41mm).
The driest month (with the least rainfall) is June (0mm).
Average rainfall days in September
Zarjan, Iran
- Average rainfall days in September: 1.3 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (0.6 days).
Average snowfall in September
Zarjan, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Zarjan, Iran
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Zarjan, Iran
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 11h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is February (Average sunshine: 7h and 0min).
Average sunshine days in September
Zarjan, Iran
- Average sunshine days in September: 28.4 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is February (19.8 days).
Average UV index in September
Zarjan, 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 and December (UV index 3).
Average cloud cover in September
Zarjan, Iran
- Average cloud cover in September: 5
The months with the most cloud cover are January and February (Cloud cover 18).
The months with the least cloud cover are June, September and October (Cloud cover 5).
Average visibility in September
Zarjan, 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).
