September weather forecast
Keating Summit, PA

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Weather in September

September, the first month of the autumn in Keating Summit, is still a pleasant month, with an average temperature ranging between max 70°F (21.1°C) and min 49.5°F (9.7°C).

Temperature

The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a moderately hot 76.6°F (24.8°C) to an agreeable 70°F (21.1°C). Throughout September, Keating Summit records an average temperature of 49.5°F (9.7°C) at night.

Humidity

In Keating Summit, the average relative humidity in September 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. In Keating Summit, during the entire year, the rain falls for 162.1 days and collects up to 27.36" (695mm) of precipitation.

Snowfall

In Keating Summit, snow does not fall in June through September.

Daylight

In September, the average length of the day 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 September, the average sunshine is 8.1h.

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 unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 3 during September translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Keating Summit in September?

The average high-temperature, in September, in Keating Summit, is 70°F (21.1°C), while the average low-temperature is 49.5°F (9.7°C).

What is the average humidity in September in Keating Summit?

In September, the average relative humidity is 81%.

How much does it rain in September?

In September, in Keating Summit, the rain falls for 13.7 days. Throughout September, 1.97" (50mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In Keating Summit, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Keating Summit have in September?

In Keating Summit, the average day length in September is 12h and 28min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:39 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:55 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.1h.

What is the UV index intensity in September in Keating Summit?

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Keating Summit, PA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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

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