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
September's onset brings a negligible change in high-temperatures, falling from a warm 83.8°F (28.8°C) in August to a still moderately hot 77.7°F (25.4°C). In September, the temperature drops to an average of 57.2°F (14°C) at night.Humidity
The months with the lowest humidity are April, August through November, with an average relative humidity of 76%.Rainfall
September is the month with the least rainfall. Rain falls for 7.6 days and accumulates 0.35" (9mm) of precipitation.Snowfall
In Bentonville, snow does not fall in May through September.Daylight
The average length of the day in September in Bentonville is 12h and 26min.On the first day of September, sunrise is at 7:04 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm EDT.
Sunshine
In Bentonville, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What are the least humid months?
What is the average humidity in September in Bentonville?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in Bentonville in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Bentonville have in September?
What is the UV index reading in September?
Average temperature in September
Bentonville, OH
- Average high temperature in September: 77.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Bentonville, OH
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Bentonville, OH
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Bentonville, OH
- Average humidity in September: 76%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, August, September, October and November (76%).
Average rainfall in September
Bentonville, OH
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is May (0.87").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Bentonville, OH
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is May (11.5 days).
The month with the least rainy days is November (6 days).
Average snowfall in September
Bentonville, OH
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Bentonville, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 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
Bentonville, OH
- 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 30min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Bentonville, OH
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (15.1 days).
Average UV index in September
Bentonville, OH
- 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, February, November and December (UV index 2).
Average cloud cover in September
Bentonville, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Bentonville, OH
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Bentonville, Ohio, USA
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