September weather forecastRockton, PA
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Rockton, Pennsylvania, with an average temperature fluctuating between 51.8°F (11°C) and 72.3°F (22.4°C).Temperature
September brings a slight decrease in temperature, down from a moderately hot 78.4°F (25.8°C) in August to an agreeable 72.3°F (22.4°C). During September, Rockton observes a consistent average nighttime temperature of 51.8°F (11°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In Rockton, Pennsylvania, during September, the rain falls for 14.2 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 177 rainfall days, and 34.29" (871mm) of precipitation is accumulated.Snowfall
In Rockton, snow does not fall in June through September.Daylight
In Rockton, Pennsylvania, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:57 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Take precautions - Protection against sunburn is recommended. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rockton, PA
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in September
Rockton, 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 (29.95"Hg).
Average wind speed in September
Rockton, PA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Rockton, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).
Average rainfall in September
Rockton, PA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in September
Rockton, PA
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in September
Rockton, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (9.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Rockton, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rockton, 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 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Rockton, PA
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in September
Rockton, PA
- Average UV index in September: 3
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
Rockton, PA
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Rockton, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).





