September weather forecast
Old Forge, PA

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Weather in September

September, the first month of the autumn in Old Forge, is also an agreeable month, with an average temperature fluctuating between 51.8°F (11°C) and 71.2°F (21.8°C).

Temperature

With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 78.3°F (25.7°C) in August to an agreeable 71.2°F (21.8°C). During September, Old Forge's temperature averages to a cool 51.8°F (11°C) at night.

Humidity

In September, the average relative humidity is 80%.

Rainfall

In Old Forge, during September, the rain falls for 13.5 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Old Forge, during the entire year, the rain falls for 168.5 days and collects up to 30.91" (785mm) of precipitation.

Snowfall

In Old Forge, snow does not fall in June through September.

Daylight

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

Sunshine

The average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, an average UV index of 3 transforms into the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. 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 Old Forge in September?

The high-temperature, in September, in Old Forge, records 71.2°F (21.8°C), while the low-temperature is 51.8°F (11°C).

What is the average humidity in September?

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

How many days does it rain in September?

In September, the rain falls for 13.5 days. Throughout September, 2.13" (54mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Old Forge have in September?

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

What time are sunrise and sunset in September in Old Forge?

In September, on the first day of the month, 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 Old Forge have in September?

In Old Forge, the average sunshine duration in September is 8.6h.

What is the UV index reading in September?

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health risk from 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
Old Forge, PA

Average temperature in September - Old Forge, PA
  • Average high temperature in September: 71.2°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in September: 51.8°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in September
Old Forge, PA

Average pressure in September - Old Forge, PA
  • Average pressure in September: 30.06"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
Old Forge, PA

Average wind speed in September - Old Forge, PA
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
Old Forge, PA

Average humidity in September - Old Forge, PA
  • Average humidity in September: 80%

The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (77%).

Average rainfall in September
Old Forge, PA

Average rainfall in September - Old Forge, PA
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.97").

Average rainfall days in September
Old Forge, PA

Average rainfall days in September - Old Forge, PA
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in September
Old Forge, PA

Average snowfall in September - Old Forge, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (7.17").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Old Forge, PA

Average snowfall days in September - Old Forge, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Old Forge, PA

Average daylight in September / Average sunshine in September - Old Forge, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 42min).

Average sunshine days in September
Old Forge, PA

Average sunshine days in September - Old Forge, PA
  • Average sunshine days in September: 13 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is July (8.6 days).

Average UV index in September
Old Forge, PA

Average UV index in September - Old Forge, 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
Old Forge, PA

Average cloud cover in September - Old Forge, PA
  • Average cloud cover in September: 42

The months with the most cloud cover are February and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in September
Old Forge, PA

Average visibility in September - Old Forge, 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).

Old Forge, Pennsylvania, USA

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