September weather forecastVirden, IL
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Virden, Illinois, with an average temperature ranging between min 59.2°F (15.1°C) and max 77.5°F (25.3°C).Temperature
In September, the average high-temperature registers at a still warm 77.5°F (25.3°C), nearly identical to August's 82°F (27.8°C). Virden encounters a steady low-temperature average of 59.2°F (15.1°C) throughout the month of September.Humidity
In Virden, Illinois, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. In Virden, during the entire year, the rain falls for 143.6 days and collects up to 23.74" (603mm) of precipitation.Snowfall
In Virden, snow does not fall in May through October.Daylight
In Virden, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:28 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:42 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Virden, IL
- Average high temperature in September: 77.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in September
Virden, IL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Virden, IL
- Average wind speed in September: 6.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in September
Virden, IL
- Average humidity in September: 74%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Virden, IL
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are February and December (1.26").
Average rainfall days in September
Virden, IL
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Virden, IL
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Virden, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8 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
Virden, IL
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Virden, IL
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in September
Virden, IL
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Virden, IL
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in September
Virden, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
