September weather forecastBentleyville, PA
September
Weather in September
The first month of the autumn, September, is still a warm month in Bentleyville, Pennsylvania, with an average temperature varying between 76.1°F (24.5°C) and 55.2°F (12.9°C).Temperature
September signifies a gentle decline in Bentleyville's average high-temperature, easing from 82°F (27.8°C) in August to a still moderately hot 76.1°F (24.5°C). Bentleyville's average low-temperature in the month of September is recorded at a fresh 55.2°F (12.9°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In September, the rain falls for 13.6 days. Throughout September, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 170.8 rainfall days, and 25.2" (640mm) of precipitation is accumulated.Snowfall
In Bentleyville, snow does not fall in May through September.Daylight
In Bentleyville, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:48 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:03 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 during September translates into the following guidance:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bentleyville, PA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Bentleyville, PA
- 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
Bentleyville, PA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Bentleyville, PA
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in September
Bentleyville, PA
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days in September
Bentleyville, PA
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Bentleyville, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Bentleyville, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bentleyville, PA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Bentleyville, PA
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in September
Bentleyville, PA
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Bentleyville, PA
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Bentleyville, PA
- Average visibility in September: 5mi
The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, September, October and December (5mi).
