September weather forecast
Gleason, PA

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Weather in September

September, the first month of the autumn in Gleason, is also an agreeable month, with an average temperature ranging between max 70.3°F (21.3°C) and min 50.2°F (10.1°C).

Temperature

A minor decrease in the average high-temperature is observed during September, shifting from a warm 77°F (25°C) in August to an agreeable 70.3°F (21.3°C). An average low-temperature of 50.2°F (10.1°C) is recorded during the nights in September.

Humidity

In Gleason, the average relative humidity in September is 81%.

Rainfall

In September, the rain falls for 13.4 days. Throughout September, 2.36" (60mm) of precipitation is accumulated. In Gleason, during the entire year, the rain falls for 156.3 days and collects up to 29.25" (743mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Gleason, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:34 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:50 pm EDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In Gleason, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 3 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

Gleason in September has an average high-temperature of 70.3°F (21.3°C) and an average low-temperature of 50.2°F (10.1°C).

What is the average humidity in September in Gleason?

In Gleason, the average relative humidity in September is 81%.

How much does it rain in September?

In Gleason, during September, the rain falls for 13.4 days and regularly aggregates up to 2.36" (60mm) of precipitation.

When it does not snow?

In Gleason, snow does not fall in June through September.

Does it snow in September?

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

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:50 pm EDT.

How long on average sun shines in September in Gleason?

In Gleason, the average sunshine duration in September is 8.3h.

What is the UV index reading in September?

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Gleason, PA

Average temperature in September - Gleason, PA
  • Average high temperature in September: 70.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in September: 50.2°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

Average pressure in September
Gleason, PA

Average pressure in September - Gleason, PA
  • Average pressure in September: 30.07"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
Gleason, PA

Average wind speed in September - Gleason, PA
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in September
Gleason, PA

Average humidity in September - Gleason, PA
  • Average humidity in September: 81%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).

Average rainfall in September
Gleason, PA

Average rainfall in September - Gleason, PA
  • Average rainfall in September: 2.36"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (1.73").

Average rainfall days in September
Gleason, PA

Average rainfall days in September - Gleason, PA
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (6.5 days).

Average snowfall in September
Gleason, PA

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

The month with the highest snowfall is February (7.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Gleason, PA

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

The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Gleason, PA

Average daylight in September / Average sunshine in September - Gleason, 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 12min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).

Average sunshine days in September
Gleason, PA

Average sunshine days in September - Gleason, PA
  • Average sunshine days in September: 14 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in September
Gleason, PA

Average UV index in September - Gleason, PA
  • Average UV index in September: 3

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 and December (UV index 1).

Average cloud cover in September
Gleason, PA

Average cloud cover in September - Gleason, PA
  • Average cloud cover in September: 43

The months with the most cloud cover are January and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in September
Gleason, PA

Average visibility in September - Gleason, 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).

Gleason, Pennsylvania, USA

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