September weather forecast
Good Spring, PA

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Weather in September

The first month of the autumn, September, is also an agreeable month in Good Spring, Pennsylvania, with an average temperature fluctuating between 54°F (12.2°C) and 73.2°F (22.9°C).

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from a warm 79.3°F (26.3°C) in August to a pleasant 73.2°F (22.9°C). In Good Spring, September is marked by an average low-temperature of 54°F (12.2°C).

Humidity

In September, the average relative humidity is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 8.8 days and accumulates 0.35" (9mm) of precipitation.

Snowfall

May through October are months without snowfall in Good Spring, Pennsylvania.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:33 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:49 pm EDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index in Good Spring is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The average high-temperature and low-temperature during September are 73.2°F (22.9°C) and 54°F (12.2°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is computed to be 87.8°F (31°C).

What is the average humidity in September in Good Spring?

In September, the average relative humidity is 80%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 8.8 days and typically collects 0.35" (9mm) of precipitation.

How many days does it rain in September?

In Good Spring, in September, during 8.8 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

In September, the average day length is 12h and 27min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:33 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:49 pm EDT.

How many hours of sunshine does Good Spring have in September?

In September, the average sunshine duration is 8.7h.

What is the UV index intensity in September?

In September, the average daily maximum UV index in Good Spring is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Good Spring, PA

Average temperature in September - Good Spring, PA
  • Average high temperature in September: 73.2°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in September: 54°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in September
Good Spring, PA

Average pressure in September - Good Spring, 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 (29.94"Hg).

Average wind speed in September
Good Spring, PA

Average wind speed in September - Good Spring, PA
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in September
Good Spring, PA

Average humidity in September - Good Spring, PA
  • Average humidity in September: 80%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).

Average rainfall in September
Good Spring, PA

Average rainfall in September - Good Spring, PA
  • Average rainfall in September: 0.35"

The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in September
Good Spring, PA

Average rainfall days in September - Good Spring, PA
  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in September
Good Spring, PA

Average snowfall in September - Good Spring, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Good Spring, PA

Average snowfall days in September - Good Spring, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Good Spring, PA

Average daylight in September / Average sunshine in September - Good Spring, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in September
Good Spring, PA

Average sunshine days in September - Good Spring, PA
  • Average sunshine days in September: 18.6 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is July (14.6 days).

Average UV index in September
Good Spring, PA

Average UV index in September - Good Spring, 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, November and December (UV index 2).

Average cloud cover in September
Good Spring, PA

Average cloud cover in September - Good Spring, PA
  • Average cloud cover in September: 39

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 33).

Average visibility in September
Good Spring, PA

Average visibility in September - Good Spring, PA
  • Average visibility in September: 5mi

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

Good Spring, Pennsylvania, USA

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