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
September signals a slight drop in average high-temperature, sliding from August's moderately hot 76.6°F (24.8°C) to an agreeable 70°F (21.1°C). Keating Summit reports an average low-temperature of 49.5°F (9.7°C) during the nights of September.Humidity
In September, the average relative humidity is 81%.Rainfall
In Keating Summit, during September, the rain falls for 13.7 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, in Keating Summit, Pennsylvania, there are 162.1 rainfall days, and 27.36" (695mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:55 pm EDT.
Sunshine
In Keating Summit, Pennsylvania, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September in Keating Summit is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What is the usual temperature for Keating Summit in September?
What is the average humidity in September in Keating Summit?
How much does it rain in Keating Summit in September?
When it does not snow in Keating Summit?
Does it snow in Keating Summit in September?
What is the average length of the day in September in Keating Summit?
When is the sunrise / sunset in September in Keating Summit?
How long on average sun shines in September in Keating Summit?
How high is the UV index in September in Keating Summit?
Average temperature in September
Keating Summit, PA
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in September: 49.5°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in September
Keating Summit, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Keating Summit, PA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Keating Summit, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is June (78%).
Average rainfall in September
Keating Summit, PA
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is August (1.85").
Average rainfall days in September
Keating Summit, PA
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Keating Summit, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Keating Summit, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Keating Summit, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The months with the least sunshine are January and December (Average sunshine: 2h and 36min).
Average sunshine days in September
Keating Summit, PA
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is February (5.2 days).
Average UV index in September
Keating Summit, 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
Keating Summit, PA
- Average cloud cover in September: 47
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Keating Summit, PA
- Average visibility in September: 4mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
Keating Summit, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
