September weather forecastVirgil, IL
September
Weather in September
September, the first month of the autumn in Virgil, is still a pleasant month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 72.5°F (22.5°C).Temperature
September indicates a minor shift in the average high-temperature, from August's warm 78.1°F (25.6°C) to an agreeable 72.5°F (22.5°C). Virgil's nighttime temperature in September falls to an average of 54.1°F (12.3°C).Humidity
The average relative humidity in September is 81%.Rainfall
In Virgil, in September, during 8.1 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Virgil, during the entire year, the rain falls for 103.9 days and collects up to 8.5" (216mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:20 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:36 pm CDT.
Sunshine
In Virgil, the average sunshine in September is 8.5h.UV index
In Virgil, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Make use of precautions - It is urged to ward off sun damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Virgil, IL
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in September
Virgil, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Virgil, IL
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Virgil, IL
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Virgil, IL
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is November (0.39").
Average rainfall days in September
Virgil, IL
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in September
Virgil, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Virgil, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Virgil, IL
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Virgil, IL
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in September
Virgil, IL
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Virgil, IL
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in September
Virgil, IL
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
