Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
In September, the average high-temperature marginally decreases from a warm 23.7°C (74.7°F) in August to a pleasant 20.1°C (68.2°F). An average low-temperature of 11.8°C (53.2°F) is observed in Emam Chay during the September nights.Humidity
In Emam Chay, the average relative humidity in September is 69%.Rainfall
In Emam Chay, in September, during 10.6 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, there are 109.4 rainfall days, and 335mm (13.19") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Emam Chay, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 05:48 and sunset at 18:48. On the last day of September, sunrise is at 06:13 and sunset at 18:03 +0330.
Sunshine
The average sunshine in September is 10.4h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September in Emam Chay?
How many hours of sunshine does Emam Chay have in September?
How high is the UV index in September?
Average temperature in September
Emam Chay, Iran
- Average high temperature in September: 20.1°C
The warmest month (with the highest average high temperature) is July (24.7°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Emam Chay, Iran
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is July (1009.4mbar).
Average wind speed in September
Emam Chay, Iran
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is January (12.8km/h).
The calmest month (with the lowest average wind speed) is June (8.4km/h).
Average humidity in September
Emam Chay, Iran
- Average humidity in September: 69%
The month with the highest relative humidity is February (74%).
The month with the lowest relative humidity is July (58%).
Average rainfall in September
Emam Chay, Iran
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is November (42mm).
The driest months (with the least rainfall) are July and August (9mm).
Average rainfall days in September
Emam Chay, Iran
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
Emam Chay, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (305mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Emam Chay, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.7 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
Emam Chay, Iran
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 18min).
Average sunshine days in September
Emam Chay, Iran
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in September
Emam Chay, Iran
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Emam Chay, Iran
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in September
Emam Chay, Iran
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, October, November and December (9km).
