September weather forecastLower Whyel, PA
September
Weather in September
The first month of the autumn, September, is still a warm month in Lower Whyel, Pennsylvania, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 75°F (23.9°C).Temperature
As August makes way for September, Lower Whyel's average high-temperature eases from a moderately hot 81.1°F (27.3°C) to a still warm 75°F (23.9°C). Lower Whyel sees an average low-temperature of 54.7°F (12.6°C) during September.Humidity
The average relative humidity in September is 78%.Rainfall
In Lower Whyel, in September, it is raining for 13.7 days, with typically 1.69" (43mm) of accumulated precipitation. In Lower Whyel, during the entire year, the rain falls for 174.1 days and collects up to 23.82" (605mm) of precipitation.Snowfall
In Lower Whyel, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:46 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:02 pm EDT.
Sunshine
In September, the average sunshine is 8.8h.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 exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lower Whyel, PA
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Lower Whyel, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Lower Whyel, PA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Lower Whyel, PA
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Lower Whyel, PA
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in September
Lower Whyel, PA
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (10 days).
Average snowfall in September
Lower Whyel, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Lower Whyel, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lower Whyel, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Lower Whyel, PA
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is January (7.3 days).
Average UV index in September
Lower Whyel, PA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Lower Whyel, PA
- Average cloud cover in September: 37
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
Lower Whyel, PA
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





