Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's moderately hot 78.4°F (25.8°C) to a pleasant 71.6°F (22°C). Cooper Corners, in September, witnesses an average low-temperature of 50.9°F (10.5°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Cooper Corners, Pennsylvania, in September, it is raining for 12.1 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, in Cooper Corners, there are 153.7 rainfall days, and 28.35" (720mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Cooper Corners is 12h and 28min.On the first day of September, sunrise is at 6:30 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:46 pm EDT.
Sunshine
In Cooper Corners, the average sunshine in September is 8.5h.UV index
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 rays for the average person.Note: The UV index of 3 during September leads to these advisories:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in Cooper Corners in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Cooper Corners have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Cooper Corners, PA
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 50.9°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
Cooper Corners, 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
Cooper Corners, PA
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are January, February, March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Cooper Corners, 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
Cooper Corners, PA
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in September
Cooper Corners, PA
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Cooper Corners, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cooper Corners, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cooper Corners, PA
- Average daylight in September: 12h and 3min
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 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Cooper Corners, PA
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Cooper Corners, 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
Cooper Corners, PA
- Average cloud cover in September: 43
The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Cooper Corners, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Cooper Corners, Pennsylvania, USA
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