September weather forecastBuck Run, PA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Buck Run, Pennsylvania, with an average temperature ranging between max 73°F (22.8°C) and min 53.8°F (12.1°C).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a warm 79.2°F (26.2°C) to a pleasant 73°F (22.8°C). Throughout September, an average nighttime temperature of 53.8°F (12.1°C) is experienced.Humidity
In Buck Run, the average relative humidity in September is 80%.Rainfall
In Buck Run, during September, the rain falls for 12.1 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, in Buck Run, Pennsylvania, there are 146 rainfall days, and 26.42" (671mm) of precipitation is accumulated.Snowfall
In Buck Run, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:33 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:48 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Buck Run, PA
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
Buck Run, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Buck Run, PA
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Buck Run, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Buck Run, PA
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in September
Buck Run, PA
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in September
Buck Run, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Buck Run, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Buck Run, PA
- Average daylight in September: 12h and 30min
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 18min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).
Average sunshine days in September
Buck Run, PA
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Buck Run, PA
- Average UV index in September: 4
The months with the highest UV index are 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
Buck Run, PA
- Average cloud cover in September: 38
The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Buck Run, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, June, November and December (6mi).
The months with the lowest visibility are February, May, July, August, September and October (5mi).
