September weather forecastQuarryville, NJ
September
Weather in September
The first month of the autumn, September, is still a warm month in Quarryville, New Jersey, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 53.4°F (11.9°C).Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from a warm 80.2°F (26.8°C) in August to a still moderately hot 73.4°F (23°C). During September, the average low-temperature is recorded at a fresh 53.4°F (11.9°C).Humidity
In September, the average relative humidity is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.85" (47mm) of precipitation.Snowfall
In Quarryville, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:25 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:41 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Quarryville, NJ
- Average high temperature in September: 73.4°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 (32.7°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Quarryville, NJ
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Quarryville, NJ
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Quarryville, NJ
- Average humidity in September: 80%
The months with the highest relative humidity are February, October and December (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Quarryville, NJ
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Quarryville, NJ
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in September
Quarryville, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Quarryville, NJ
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Quarryville, NJ
- 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Quarryville, NJ
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (10.4 days).
Average UV index in September
Quarryville, NJ
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Quarryville, NJ
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Quarryville, NJ
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
