September weather forecast
Gilberton, PA

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Weather in September

The first month of the autumn, September, is also an agreeable month in Gilberton, Pennsylvania, with an average temperature varying between 53.8°F (12.1°C) and 72.7°F (22.6°C).

Temperature

Gilberton's weather subtly changes with the onset of September, barely falling from a moderately hot 78.4°F (25.8°C) in August to an agreeable 72.7°F (22.6°C). An average low-temperature of 53.8°F (12.1°C) is common during the nights of September.

Humidity

In Gilberton, 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

June through September are months without snowfall in Gilberton.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:48 pm EDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 4 in September transforms into this advice:
Undertake precautions - Guarding against sun damage is counselled. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In Gilberton, 72.7°F (22.6°C) is the average high-temperature and 53.8°F (12.1°C) is the average low-temperature during September. In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 80%.

What is the driest month?

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

How many days does it rain in September?

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

When it does not snow?

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

Does it snow in September?

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

What is the average length of the day in September?

The average day length in September is 12h and 27min.

When is the sunrise / sunset in September?

On the first day of September in Gilberton, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:48 pm EDT.

How many hours of sunshine does Gilberton have in September?

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

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Gilberton, PA

Average temperature in September - Gilberton, 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
Gilberton, PA

Average pressure in September - Gilberton, 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
Gilberton, PA

Average wind speed in September - Gilberton, 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
Gilberton, PA

Average humidity in September - Gilberton, 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
Gilberton, PA

Average rainfall in September - Gilberton, 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
Gilberton, PA

Average rainfall days in September - Gilberton, 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
Gilberton, PA

Average snowfall in September - Gilberton, 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
Gilberton, PA

Average snowfall days in September - Gilberton, 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
Gilberton, PA

Average daylight in September / Average sunshine in September - Gilberton, 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
Gilberton, PA

Average sunshine days in September - Gilberton, 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
Gilberton, PA

Average UV index in September - Gilberton, 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
Gilberton, PA

Average cloud cover in September - Gilberton, 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
Gilberton, PA

Average visibility in September - Gilberton, 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).

Gilberton, Pennsylvania, USA

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