September weather forecast
Oakbourne, PA

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Weather in September

September, the first month of the autumn in Oakbourne, is still a warm month, with an average temperature varying between 59.2°F (15.1°C) and 75.7°F (24.3°C).

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a moderately hot 82.4°F (28°C) in August to a still warm 75.7°F (24.3°C). An average low-temperature of 59.2°F (15.1°C) is expected during September.

Humidity

In Oakbourne, Pennsylvania, the average relative humidity in September is 77%.

Rainfall

In September, the rain falls for 11.5 days. Throughout September, 1.1" (28mm) of precipitation is accumulated. Throughout the year, there are 128.5 rainfall days, and 14.92" (379mm) of precipitation is accumulated.

Snowfall

In Oakbourne, snow does not fall in June through October.

Daylight

In Oakbourne, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:30 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

Sunshine

In Oakbourne, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

Oakbourne in September has an average high-temperature of 75.7°F (24.3°C) and an average low-temperature of 59.2°F (15.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 87.8°F (31°C).

What is the average humidity in September?

In Oakbourne, the average relative humidity in September is 77%.

How much does it rain in September?

In Oakbourne, in September, it is raining for 11.5 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow?

June through October are months without snowfall.

How many hours of daylight does Oakbourne have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:30 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

How many hours of sunshine does Oakbourne have in September?

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

How high is the UV index in September?

In Oakbourne, Pennsylvania, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Oakbourne, PA

Average temperature in September - Oakbourne, PA
  • Average high temperature in September: 75.7°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

Average pressure in September
Oakbourne, PA

Average pressure in September - Oakbourne, 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
Oakbourne, PA

Average wind speed in September - Oakbourne, PA
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Oakbourne, PA

Average humidity in September - Oakbourne, PA
  • Average humidity in September: 77%

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in September
Oakbourne, PA

Average rainfall in September - Oakbourne, PA
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.83").

Average rainfall days in September
Oakbourne, PA

Average rainfall days in September - Oakbourne, PA
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (5.7 days).

Average snowfall in September
Oakbourne, PA

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

The month with the highest snowfall is March (1.54").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Oakbourne, PA

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

The month with the highest number of snowfall days is January (5.5 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
Oakbourne, PA

Average daylight in September / Average sunshine in September - Oakbourne, 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 4min

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 36min).

Average sunshine days in September
Oakbourne, PA

Average sunshine days in September - Oakbourne, PA
  • Average sunshine days in September: 17 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.1 days).

Average UV index in September
Oakbourne, PA

Average UV index in September - Oakbourne, 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, March, November and December (UV index 2).

Average cloud cover in September
Oakbourne, PA

Average cloud cover in September - Oakbourne, PA
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Oakbourne, PA

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

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

Oakbourne, Pennsylvania, USA

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