September weather forecast
Pine Grove Mills, PA

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Weather in September

The first month of the autumn, September, is still a pleasant month in Pine Grove Mills, Pennsylvania, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 52.3°F (11.3°C).

Temperature

Pine Grove Mills's weather subtly changes with the onset of September, barely falling from a warm 79.7°F (26.5°C) in August to a pleasant 72.5°F (22.5°C). September's nights in Pine Grove Mills observe an average temperature of 52.3°F (11.3°C).

Humidity

In Pine Grove Mills, the average relative humidity in September is 79%.

Rainfall

In September, the rain falls for 13.9 days. Throughout September, 2.17" (55mm) of precipitation is accumulated. In Pine Grove Mills, during the entire year, the rain falls for 174.7 days and collects up to 31.61" (803mm) of precipitation.

Snowfall

In Pine Grove Mills, snow does not fall in June through September.

Daylight

The average length of the day in September in Pine Grove Mills is 12h and 27min.
On the first day of September, sunrise is at 6:39 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:54 pm EDT.

Sunshine

In Pine Grove Mills, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What is the temperature in September?

In September, the average high-temperature and low-temperature are 72.5°F (22.5°C) and 52.3°F (11.3°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in July is computed to be 87.8°F (31°C).

What is the average humidity in September in Pine Grove Mills?

In September, the average relative humidity is 79%.

How many days does it rain in September?

In September, in Pine Grove Mills, the rain falls for 13.9 days. Throughout September, 2.17" (55mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in Pine Grove Mills in September?

In Pine Grove Mills, 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 27min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:39 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:54 pm EDT.

How many hours of sunshine does Pine Grove Mills have in September?

In September, the average sunshine duration is 8.6h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Pine Grove Mills, PA

Average temperature in September - Pine Grove Mills, PA
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in September: 52.3°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in September
Pine Grove Mills, PA

Average pressure in September - Pine Grove Mills, PA
  • Average pressure in September: 30.07"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Pine Grove Mills, PA

Average wind speed in September - Pine Grove Mills, PA
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in September
Pine Grove Mills, PA

Average humidity in September - Pine Grove Mills, PA
  • Average humidity in September: 79%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (76%).

Average rainfall in September
Pine Grove Mills, PA

Average rainfall in September - Pine Grove Mills, PA
  • Average rainfall in September: 2.17"

The wettest months (with the highest rainfall) are April and May (3.35").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in September
Pine Grove Mills, PA

Average rainfall days in September - Pine Grove Mills, PA
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (9.3 days).

Average snowfall in September
Pine Grove Mills, PA

Average snowfall in September - Pine Grove Mills, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (8.07").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Pine Grove Mills, PA

Average snowfall days in September - Pine Grove Mills, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Pine Grove Mills, PA

Average daylight in September / Average sunshine in September - Pine Grove Mills, PA
  • Average daylight in September: 12h and 3min

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 18min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Pine Grove Mills, PA

Average sunshine days in September - Pine Grove Mills, PA
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (8.9 days).

Average UV index in September
Pine Grove Mills, PA

Average UV index in September - Pine Grove Mills, PA
  • Average UV index in September: 4

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Pine Grove Mills, PA

Average cloud cover in September - Pine Grove Mills, PA
  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in September
Pine Grove Mills, PA

Average visibility in September - Pine Grove Mills, 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).

Pine Grove Mills, Pennsylvania, USA

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