September weather forecast
Scranton, PA

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These houses are set in a hilly spot and circled by trees full of the beauty of the fall foliage on a typical day in the Scranton region of Pennsylvania
These houses are set in a hilly spot and circled by trees full of the beauty of the fall foliage on a typical day in the Scranton region of Pennsylvania

Weather in September

September heralds the arrival of fall in Scranton, characterized by a noticeable decline in average temperatures. This temperature shift from the preceding month renders a cooler and more pleasant weather, ideal for enjoying autumn's radiant colors. A significant change observed is the absence of any snowfall, indicative of the prevalent temperate conditions. Days shorten and sunshine hours decrease, hinting at the approaching winter. As the wind picks up speed, residents welcome the fall with gentle breezes carrying the fragrance of fallen leaves.

Temperature

The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's warm 77.5°F (25.3°C) to a pleasant 71.1°F (21.7°C). Scranton's temperature tends to fall to an average low of 51.8°F (11°C) during the nights of September.

Humidity

In Scranton, the average relative humidity in September is 80%.

Rainfall

The months with the least rainfall are January and September Rain falls for 10.6 days and accumulates 1.38" (35mm) of rain.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of September, sunrise is at 6:29 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:45 pm EDT.

Sunshine

The average sunshine in September in Scranton is 8.5h.

UV index

In Scranton, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 3 during September translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Frequently asked questions

What are September temperatures?

The average high-temperature, in September, in Scranton, is 71.1°F (21.7°C), while the average low-temperature is 51.8°F (11°C).

What is the average humidity in September?

The average relative humidity in September is 80%.

What is the driest month in Scranton?

January and September are months with the least rain in Scranton when the rain falls for 10.6 days and typically aggregates up to 1.38" (35mm) of rain.

How many days does it rain in September?

In Scranton, during September, the rain falls for 10.6 days and regularly aggregates up to 1.38" (35mm) of precipitation.

When it does not snow?

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

Does it snow in September?

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

What is the average length of the day in September?

The average day length in September is 12h and 28min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:29 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:45 pm EDT.

How many hours of sunshine does Scranton have in September?

In September, the average sunshine duration is 8.5h.

What is the UV index intensity in September?

In Scranton, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Scranton, PA

Average temperature in September - Scranton, PA
  • Average high temperature in September: 71.1°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in September: 51.8°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in September
Scranton, PA

Average pressure in September - Scranton, 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
Scranton, PA

Average wind speed in September - Scranton, PA
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Scranton, PA

Average humidity in September - Scranton, PA
  • Average humidity in September: 80%

The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).

Average rainfall in September
Scranton, PA

Average rainfall in September - Scranton, PA
  • Average rainfall in September: 1.38"

The wettest months (with the highest rainfall) are May and July (2.4").
The driest months (with the least rainfall) are January and September (1.38").

Average rainfall days in September
Scranton, PA

Average rainfall days in September - Scranton, PA
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (5.2 days).

Average snowfall in September
Scranton, PA

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

The month with the highest snowfall is March (5.08").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Scranton, PA

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

The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Scranton, 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 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

Average sunshine days in September
Scranton, PA

Average sunshine days in September - Scranton, PA
  • Average sunshine days in September: 16.9 days

The month with the most sunshine days is January (18.4 days).
The month with the least sunshine days is May (11 days).

Average UV index in September
Scranton, PA

Average UV index in September - Scranton, 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
Scranton, PA

Average cloud cover in September - Scranton, PA
  • Average cloud cover in September: 43

The months with the most cloud cover are February and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in September
Scranton, PA

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

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

Scranton, Pennsylvania, USA

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