September weather forecast
Cornog, PA

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Weather in September

September, the first month of the autumn in Cornog, is also a moderately hot month, with an average temperature ranging between max 75°F (23.9°C) and min 57.7°F (14.3°C).

Temperature

In Cornog, entering September brings a subtle temperature decrement, reducing from August's warm 81.1°F (27.3°C) to a still moderately hot 75°F (23.9°C). During the September nights, an average temperature of 57.7°F (14.3°C) is observed in Cornog.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In September, the rain falls for 12.5 days. Throughout September, 1.89" (48mm) of precipitation is accumulated. Throughout the year, in Cornog, there are 145.6 rainfall days, and 26.81" (681mm) of precipitation is accumulated.

Snowfall

In Cornog, snow does not fall in June through September.

Daylight

In September, the average length of the day in Cornog is 12h and 26min.
On the first day of the month, sunrise is at 6:31 am and sunset at 7:34 pm. On the last day of September, in Cornog, sunrise is at 6:59 am and sunset at 6:46 pm EDT.

Sunshine

In Cornog, the average sunshine in September is 8.7h.

UV index

In Cornog, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Cornog?

In Cornog, 75°F (23.9°C) is the average high-temperature and 57.7°F (14.3°C) is the average low-temperature during September. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in August is calculated to be 86°F (30°C).

What is the average humidity in September in Cornog?

The average relative humidity in September is 79%.

How many days does it rain in September in Cornog?

In Cornog, in September, during 12.5 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

When it does not snow in Cornog?

June through September are months without snowfall in Cornog.

Does it snow in Cornog in September?

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

How many hours of daylight does Cornog have in September?

In Cornog, Pennsylvania, the average day length in September is 12h and 26min.

What time are sunrise and sunset in September in Cornog?

In September, on the first day of the month, sunrise is at 6:31 am and sunset at 7:34 pm. On the last day of the month, in Cornog, Pennsylvania, sunrise is at 6:59 am and sunset at 6:46 pm EDT.

How long on average sun shines in September in Cornog?

In September, the average sunshine duration in Cornog, Pennsylvania, is 8.7h.

What is the UV index reading in September in Cornog?

In September, the average daily maximum UV index in Cornog, Pennsylvania, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to 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
Cornog, PA

Average temperature in September - Cornog, PA
  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in September: 57.7°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in September
Cornog, PA

Average pressure in September - Cornog, 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 (29.94"Hg).

Average wind speed in September
Cornog, PA

Average wind speed in September - Cornog, PA
  • Average wind speed in September: 5.6mph

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in September
Cornog, PA

Average humidity in September - Cornog, PA
  • Average humidity in September: 79%

The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Cornog, PA

Average rainfall in September - Cornog, PA
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.61").

Average rainfall days in September
Cornog, PA

Average rainfall days in September - Cornog, PA
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in September
Cornog, PA

Average snowfall in September - Cornog, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Cornog, PA

Average snowfall days in September - Cornog, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Cornog, PA

Average daylight in September / Average sunshine in September - Cornog, PA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Cornog, PA

Average sunshine days in September - Cornog, PA
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in September
Cornog, PA

Average UV index in September - Cornog, PA
  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Cornog, PA

Average cloud cover in September - Cornog, PA
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Cornog, PA

Average visibility in September - Cornog, PA
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Cornog, Pennsylvania, USA

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