September weather forecastWilderness Acres, PA

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Wilderness Acres, Pennsylvania, with an average temperature fluctuating between 72.5°F (22.5°C) and 53.1°F (11.7°C).

Temperature

Wilderness Acres's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 79.3°F (26.3°C) in August to a pleasant 72.5°F (22.5°C). During September, Wilderness Acres's temperature falls to a steady low-temperature average of 53.1°F (11.7°C).

Humidity

In September, the average relative humidity is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Wilderness Acres, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:27 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm EDT.

Sunshine

In Wilderness Acres, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Undertake precautions - Guarding against sun damage is counselled. To protect against the Sun's most potent rays, avoid direct exposure around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in September, in Wilderness Acres, is 72.5°F (22.5°C) and the average low-temperature is 53.1°F (11.7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is calculated to be 87.8°F (31°C).

In September, the average relative humidity is 79%.

The month with the least rainfall is September, when the rain falls for 12.7 days and typically collects 1.93" (49mm) of precipitation.

In September, the rain falls for 12.7 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

In Wilderness Acres, snow does not fall in June through September.

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

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

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm EDT.

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

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Wilderness Acres, PA

  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in September: 53.1°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in September
Wilderness Acres, 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
Wilderness Acres, PA

  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are January, February and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in September
Wilderness Acres, PA

  • Average humidity in September: 79%

The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April and July (77%).

Average rainfall in September
Wilderness Acres, PA

  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in September
Wilderness Acres, PA

  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in September
Wilderness Acres, PA

  • Average snowfall in September: 0"

The month with the highest snowfall is February (5.47").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Wilderness Acres, PA

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Wilderness Acres, PA

  • Average daylight in September: 12h and 30min

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 18min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in September
Wilderness Acres, PA

  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is July (9.6 days).

Average UV index in September
Wilderness Acres, PA

  • Average UV index in September: 4

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
Wilderness Acres, PA

  • Average cloud cover in September: 41

The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in September
Wilderness Acres, 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).