September weather forecastAvella, PA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Avella, Pennsylvania, with an average temperature fluctuating between 75.4°F (24.1°C) and 55°F (12.8°C).Temperature
In Avella, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's 81.7°F (27.6°C) to a still moderately hot 75.4°F (24.1°C). Avella's average low-temperature in September is measured at a fresh 55°F (12.8°C).Humidity
The average relative humidity in September is 79%.Rainfall
In September, in Avella, the rain falls for 14 days. Throughout September, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 182.9 rainfall days, and 33.07" (840mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September in Avella is 12h and 27min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:05 pm EDT.
Sunshine
In Avella, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Avella, PA
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Avella, 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
Avella, PA
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Avella, PA
- Average humidity in September: 79%
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
Avella, PA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is April (3.5").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in September
Avella, PA
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in September
Avella, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Avella, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Avella, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Avella, PA
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is January (8.5 days).
Average UV index in September
Avella, 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
Avella, PA
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Avella, 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 and February (4mi).
