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
Weather in September
Temperature
With the onset of September, Virgil's average high-temperature slightly adjusts, moderately receding from August's 84.2°F (29°C) to a still warm 75.7°F (24.3°C). Throughout September, an average nighttime temperature of 54.5°F (12.5°C) is experienced in Virgil.Humidity
The least humid month is September, with an average relative humidity of 62%.Rainfall
In Virgil, in September, during 9.8 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Virgil, during the entire year, the rain falls for 101.8 days and collects up to 18.19" (462mm) of precipitation.Snowfall
May through September are months without snowfall in Virgil.Daylight
In Virgil, the average length of the day in September is 12h and 30min.On the first day of September in Virgil, sunrise is at 6:57 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:15 pm CDT.
Sunshine
In September, the average sunshine in Virgil is 8.9h.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 health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Virgil?
What is the least humid month in Virgil?
What is the average humidity in September in Virgil?
How much does it rain in Virgil in September?
When it does not snow in Virgil?
Does it snow in Virgil in September?
How many hours of daylight does Virgil have in September?
When is the sunrise / sunset in September in Virgil?
How long on average sun shines in September in Virgil?
What is the UV index reading in September in Virgil?
Average temperature in September
Virgil, SD
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in September
Virgil, SD
- Average pressure in September: 29.96"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Virgil, SD
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).
Average humidity in September
Virgil, SD
- Average humidity in September: 62%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).
Average rainfall in September
Virgil, SD
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Virgil, SD
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in September
Virgil, SD
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Virgil, SD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (9.5 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, SD
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Virgil, SD
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Virgil, SD
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Virgil, SD
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in September
Virgil, SD
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Virgil, South Dakota, USA
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