September weather forecastBentonville, VA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Bentonville, Virginia, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 56.1°F (13.4°C).Temperature
Bentonville's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 83.1°F (28.4°C) in August to a still warm 76.1°F (24.5°C). An average nighttime temperature of 56.1°F (13.4°C) is recorded during September.Humidity
In Bentonville, the average relative humidity in September is 78%.Rainfall
In Bentonville, in September, during 13.6 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, in Bentonville, there are 146.8 rainfall days, and 21.02" (534mm) of precipitation is accumulated.Snowfall
In Bentonville, snow does not fall in June through September.Daylight
In Bentonville, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:42 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:57 pm EDT.
Sunshine
In Bentonville, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Bentonville is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bentonville, VA
- Average high temperature in September: 76.1°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 (38.7°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in September
Bentonville, VA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Bentonville, VA
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are February and March (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Bentonville, VA
- Average humidity in September: 78%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in September
Bentonville, VA
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Bentonville, VA
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Bentonville, VA
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bentonville, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Bentonville, VA
- Average daylight in September: 12h and 24min
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 30min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Bentonville, VA
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is August (11.4 days).
Average UV index in September
Bentonville, VA
- Average UV index in September: 4
The months with the highest UV index are May, 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
Bentonville, VA
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Bentonville, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, April, June, July, August and November (6mi).
The months with the lowest visibility are March, May, September, October and December (5mi).





