September weather forecastShawanese, PA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Shawanese, Pennsylvania, with temperature in the range of an average low of 51.8°F (11°C) and an average high of 71.4°F (21.9°C).Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from a warm 77.9°F (25.5°C) in August to an agreeable 71.4°F (21.9°C). Shawanese, in September, observes a steady average low-temperature of 51.8°F (11°C).Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 13.8 days. Throughout September, 2.13" (54mm) of precipitation is accumulated. Throughout the year, there are 166.2 rainfall days, and 30.83" (783mm) of precipitation is accumulated.Snowfall
In Shawanese, 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 6:31 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.
Sunshine
In Shawanese, the average sunshine in September is 8.6h.UV index
In Shawanese, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 during September leads to these advisories:
Adopt protective measures - It is advised to guard against sun damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Shawanese, PA
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Shawanese, PA
- Average pressure in September: 30.07"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
Shawanese, PA
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Shawanese, PA
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in September
Shawanese, PA
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in September
Shawanese, PA
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Shawanese, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Shawanese, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Shawanese, 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 12min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in September
Shawanese, PA
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in September
Shawanese, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Shawanese, PA
- Average cloud cover in September: 42
The months with the most cloud cover are February and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Shawanese, PA
- 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).





