September weather forecastClearfield, PA
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Clearfield, Pennsylvania, with an average temperature varying between 51.8°F (11°C) and 72°F (22.2°C).Temperature
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 78.4°F (25.8°C) to an agreeable 72°F (22.2°C). Clearfield's September nights cool down to an 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 13.3 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. In Clearfield, during the entire year, the rain falls for 165.7 days and collects up to 31.54" (801mm) of precipitation.Snowfall
In Clearfield, snow does not fall in June through September.Daylight
In Clearfield, 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 7:45 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:56 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In Clearfield, Pennsylvania, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 3 in September transforms into the following instructions:
Take precautions - Protection against sunburn is recommended. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Clearfield, PA
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Clearfield, 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
Clearfield, PA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Clearfield, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (77%).
Average rainfall in September
Clearfield, PA
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is August (1.97").
Average rainfall days in September
Clearfield, PA
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Clearfield, 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
Clearfield, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clearfield, 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 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Clearfield, PA
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
Clearfield, 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
Clearfield, PA
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Clearfield, PA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).





