September weather forecastStiefler Corner, PA
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Stiefler Corner, Pennsylvania, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 72.1°F (22.3°C).Temperature
The arrival of September corresponds with a light shift in temperature, down from a warm 78.8°F (26°C) in August to an agreeable 72.1°F (22.3°C). An average low-temperature of 52.5°F (11.4°C) marks the nights throughout September.Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 15.3 days. Throughout September, 2.32" (59mm) of precipitation is accumulated. In Stiefler Corner, during the entire year, the rain falls for 162.4 days and collects up to 30" (762mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:42 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:57 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Stiefler Corner, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 3 in September transforms into this advice:
Take precautions - Protection against sun damage is advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stiefler Corner, PA
- Average high temperature in September: 72.1°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Stiefler Corner, PA
- Average pressure in September: 30.06"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
Stiefler Corner, PA
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Stiefler Corner, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (77%).
Average rainfall in September
Stiefler Corner, PA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in September
Stiefler Corner, PA
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Stiefler Corner, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Stiefler Corner, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stiefler Corner, 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 12min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Stiefler Corner, PA
- Average sunshine days in September: 12.7 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in September
Stiefler Corner, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Stiefler Corner, PA
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Stiefler Corner, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
