September weather forecastShenandoah, PA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Shenandoah, Pennsylvania, with an average temperature fluctuating between 72.7°F (22.6°C) and 53.8°F (12.1°C).Temperature
September indicates a minor shift in the average high-temperature, from August's warm 78.4°F (25.8°C) to a pleasant 72.7°F (22.6°C). Shenandoah records an average temperature drop to a cool 53.8°F (12.1°C) in September.Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.97" (50mm) of precipitation.Snowfall
In Shenandoah, snow does not fall in June through September.Daylight
In Shenandoah, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:48 pm EDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shenandoah, PA
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in September
Shenandoah, PA
- Average pressure in September: 30.07"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
Shenandoah, PA
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Shenandoah, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Shenandoah, PA
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Shenandoah, PA
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in September
Shenandoah, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Shenandoah, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Shenandoah, PA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
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 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in September
Shenandoah, PA
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in September
Shenandoah, PA
- Average UV index in September: 4
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, November and December (UV index 2).
Average cloud cover in September
Shenandoah, PA
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Shenandoah, 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).
