September weather forecastAvonia, PA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Avonia, Pennsylvania, with an average temperature varying between 69.6°F (20.9°C) and 58.6°F (14.8°C).Temperature
With the advent of September, Avonia's high-temperatures adjust to a pleasant 69.6°F (20.9°C), closely aligning with the preceding month. The temperature lowers to an average of 58.6°F (14.8°C) during September nights.Humidity
August through November, with an average relative humidity of 78%, are the least humid months.Rainfall
In Avonia, during September, the rain falls for 15.5 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 174.5 rainfall days, and 37.8" (960mm) of precipitation is accumulated.Snowfall
In Avonia, Pennsylvania, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in Avonia, sunrise is at 6:47 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:03 pm EDT.
Sunshine
In Avonia, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Put precautions into practice - Protective measures against sun-induced damage are advised. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Avonia, PA
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in September
Avonia, PA
- Average pressure in September: 30.05"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
Avonia, PA
- Average wind speed in September: 9.2mph
The windiest months (with the highest average wind speed) are January and December (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in September
Avonia, PA
- Average humidity in September: 78%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are August, September, October and November (78%).
Average rainfall in September
Avonia, PA
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is November (2.64").
Average rainfall days in September
Avonia, PA
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is October (18.5 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in September
Avonia, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Avonia, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Avonia, PA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
Avonia, PA
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is September (12.1 days).
The month with the least sunshine days is January (5.7 days).
Average UV index in September
Avonia, PA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Avonia, PA
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Avonia, PA
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





