September weather forecast
Alum Bank, PA

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Weather in September

The first month of the autumn, September, is still a pleasant month in Alum Bank, Pennsylvania, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 72.1°F (22.3°C).

Temperature

As September begins, there is a minor decrease in the average high-temperature, softly falling from a moderately hot 78.8°F (26°C) in August to an agreeable 72.1°F (22.3°C). Alum Bank sees an average low-temperature of 52.5°F (11.4°C) during September.

Humidity

In Alum Bank, the average relative humidity in September is 80%.

Rainfall

In Alum Bank, in September, during 15.3 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 162.4 rainfall days, and 30" (762mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:42 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:57 pm EDT.

Sunshine

In Alum Bank, the average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average UV index of 3 in September transforms into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

What is the average September temperature?

September temperatures vary between a high-temperature of 72.1°F (22.3°C) and a low-temperature of 52.5°F (11.4°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in July is evaluated at 84.2°F (29°C).

What is the average humidity in September?

In Alum Bank, the average relative humidity in September is 80%.

How many days does it rain in September?

In Alum Bank, during September, the rain falls for 15.3 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow?

In Alum Bank, Pennsylvania, snow does not fall in June through September.

Does it snow in September?

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

How many hours of daylight does Alum Bank have in September?

In September, the average day length is 12h and 26min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:42 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:57 pm EDT.

How many hours of sunshine does Alum Bank have in September?

The average sunshine duration in September is 8.2h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Alum Bank, PA

Average temperature in September - Alum Bank, PA
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in September: 52.5°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in September
Alum Bank, PA

Average pressure in September - Alum Bank, PA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Alum Bank, PA

Average wind speed in September - Alum Bank, PA
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in September
Alum Bank, PA

Average humidity in September - Alum Bank, PA
  • Average humidity in September: 80%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is July (77%).

Average rainfall in September
Alum Bank, PA

Average rainfall in September - Alum Bank, PA
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is November (1.65").

Average rainfall days in September
Alum Bank, PA

Average rainfall days in September - Alum Bank, PA
  • Average rainfall days in September: 15.3 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in September
Alum Bank, PA

Average snowfall in September - Alum Bank, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Alum Bank, PA

Average snowfall days in September - Alum Bank, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Alum Bank, PA

Average daylight in September / Average sunshine in September - Alum Bank, 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 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Alum Bank, PA

Average sunshine days in September - Alum Bank, PA
  • Average sunshine days in September: 12.7 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in September
Alum Bank, PA

Average UV index in September - Alum Bank, 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, February, March, October, November and December (UV index 2).

Average cloud cover in September
Alum Bank, PA

Average cloud cover in September - Alum Bank, PA
  • Average cloud cover in September: 42

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility in September
Alum Bank, PA

Average visibility in September - Alum Bank, 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).

Alum Bank, Pennsylvania, USA

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