September weather forecast
Oaktree Hollow, PA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Oaktree Hollow, Pennsylvania, with an average temperature varying between 76.5°F (24.7°C) and 59.9°F (15.5°C).

Temperature

The advent of September brings a slight shift in average high-temperature, moving from 83.1°F (28.4°C) in August to a still moderately hot 76.5°F (24.7°C). Throughout September, an average nighttime temperature of 59.9°F (15.5°C) is experienced.

Humidity

In September, the average relative humidity is 76%.

Rainfall

In September, the rain falls for 12.7 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 154.4 rainfall days, and 31.38" (797mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In Oaktree Hollow, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:42 pm EDT.

Sunshine

In Oaktree Hollow, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Be vigilant - Preventing sunburn is recommended. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

Oaktree Hollow in September has an average high-temperature of 76.5°F (24.7°C) and an average low-temperature of 59.9°F (15.5°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is evaluated at 89.6°F (32°C).

What is the average humidity in September?

In Oaktree Hollow, the average relative humidity in September is 76%.

How many days does it rain in September?

In Oaktree Hollow, in September, it is raining for 12.7 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow?

In Oaktree Hollow, snow does not fall in June through October.

How many hours of daylight does Oaktree Hollow have in September?

The average day length in September in Oaktree Hollow is 12h and 26min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:42 pm EDT.

How long on average sun shines in September in Oaktree Hollow?

In Oaktree Hollow, the average sunshine duration in September is 8.8h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Oaktree Hollow, PA

Average temperature in September - Oaktree Hollow, PA
  • Average high temperature in September: 76.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in September
Oaktree Hollow, PA

Average pressure in September - Oaktree Hollow, PA
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Oaktree Hollow, PA

Average wind speed in September - Oaktree Hollow, PA
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in September
Oaktree Hollow, PA

Average humidity in September - Oaktree Hollow, PA
  • Average humidity in September: 76%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in September
Oaktree Hollow, PA

Average rainfall in September - Oaktree Hollow, PA
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in September
Oaktree Hollow, PA

Average rainfall days in September - Oaktree Hollow, PA
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).

Average snowfall in September
Oaktree Hollow, PA

Average snowfall in September - Oaktree Hollow, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Oaktree Hollow, PA

Average snowfall days in September - Oaktree Hollow, PA
  • Average snowfall days in September: 0 days

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

Average daylight in September /
Average sunshine in September
Oaktree Hollow, PA

Average daylight in September / Average sunshine in September - Oaktree Hollow, 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 5min

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 48min).

Average sunshine days in September
Oaktree Hollow, PA

Average sunshine days in September - Oaktree Hollow, PA
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in September
Oaktree Hollow, PA

Average UV index in September - Oaktree Hollow, 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, November and December (UV index 2).

Average cloud cover in September
Oaktree Hollow, PA

Average cloud cover in September - Oaktree Hollow, PA
  • Average cloud cover in September: 37

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Oaktree Hollow, PA

Average visibility in September - Oaktree Hollow, PA
  • Average visibility in September: 6mi

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

Oaktree Hollow, Pennsylvania, USA

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