September weather forecast
Ellen Gowan, PA

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Weather in September

September, the first month of the autumn in Ellen Gowan, is also an agreeable month, with temperature in the range of an average high of 72.7°F (22.6°C) and an average low of 53.8°F (12.1°C).

Temperature

With the onset of September, the average high-temperature subtly recedes from August's moderately hot 78.4°F (25.8°C) to a pleasant 72.7°F (22.6°C). Throughout the month of September, Ellen Gowan reports a steady low-temperature average of 53.8°F (12.1°C).

Humidity

The average relative humidity in September is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

In Ellen Gowan, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in September in Ellen Gowan is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The high-temperature, in September, in Ellen Gowan, records 72.7°F (22.6°C), while the low-temperature is 53.8°F (12.1°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 80%.

What is the driest month?

The month with the least rainfall in Ellen Gowan is September, when the rain falls for 12.5 days and typically collects 1.97" (50mm) of precipitation.

How much does it rain in September?

In Ellen Gowan, in September, it is raining for 12.5 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In Ellen Gowan, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In Ellen Gowan, Pennsylvania, the average day length in September is 12h and 27min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.8h.

How high is the UV index in September?

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

Average temperature in September - Ellen Gowan, PA
  • Average high temperature in September: 72.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in September: 53.8°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).

Average pressure in September
Ellen Gowan, PA

Average pressure in September - Ellen Gowan, 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
Ellen Gowan, PA

Average wind speed in September - Ellen Gowan, PA
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Ellen Gowan, PA

Average humidity in September - Ellen Gowan, PA
  • Average humidity in September: 80%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Ellen Gowan, PA

Average rainfall in September - Ellen Gowan, PA
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in September
Ellen Gowan, PA

Average rainfall days in September - Ellen Gowan, PA
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.7 days).

Average snowfall in September
Ellen Gowan, PA

Average snowfall in September - Ellen Gowan, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (7.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Ellen Gowan, PA

Average snowfall days in September - Ellen Gowan, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Ellen Gowan, PA

Average daylight in September / Average sunshine in September - Ellen Gowan, PA
  • Average daylight in September: 12h and 3min

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 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).

Average sunshine days in September
Ellen Gowan, PA

Average sunshine days in September - Ellen Gowan, PA
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.1 days).

Average UV index in September
Ellen Gowan, PA

Average UV index in September - Ellen Gowan, PA
  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Ellen Gowan, PA

Average cloud cover in September - Ellen Gowan, PA
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in September
Ellen Gowan, PA

Average visibility in September - Ellen Gowan, PA
  • Average visibility in September: 5mi

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

Ellen Gowan, Pennsylvania, USA

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