September weather forecastPennsburg, PA
September
Weather in September
The first month of the autumn, September, is still a warm month in Pennsburg, Pennsylvania, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 75.7°F (24.3°C).Temperature
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from 82.2°F (27.9°C) in August to a still moderately hot 75.7°F (24.3°C). During the nights in September, an average low-temperature of 56.7°F (13.7°C) is observed in Pennsburg.Humidity
In Pennsburg, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 12 days and typically collects 1.65" (42mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Pennsburg is 12h and 27min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:45 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Ensure safety - Sun damage prevention is strongly urged. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pennsburg, PA
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Pennsburg, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Pennsburg, PA
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Pennsburg, PA
- Average humidity in September: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in September
Pennsburg, PA
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Pennsburg, PA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8 days).
Average snowfall in September
Pennsburg, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Pennsburg, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pennsburg, 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 18min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Pennsburg, PA
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is April (12 days).
Average UV index in September
Pennsburg, PA
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Pennsburg, PA
- Average cloud cover in September: 39
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Pennsburg, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, May, September, October and December (5mi).
