September weather forecast
Pottsville, PA

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Weather in September

September ushers in the beginning of autumn in Pottsville. Although there's a decline in temperature, the weather remains generally mild and quite agreeable. The absence of snowfall continues from August into September, maintaining clear roads and pavements. It's a pleasant period weather-wise, providing a suitable environment for outdoor recreation and activities.

Temperature

September's onset introduces a mild reduction in the average high-temperature, from a warm 79°F (26.1°C) in August to an agreeable 73°F (22.8°C). Pottsville experiences an average low-temperature of 53.6°F (12°C) in the month of September.

Humidity

The average relative humidity in September is 80%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 2.09" (53mm) of precipitation.

Snowfall

June through September are months without snowfall.

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, in Pottsville, 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 Pottsville, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What are the temperatures in September?

The high-temperature during September is 73°F (22.8°C) and the low-temperature is 53.6°F (12°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in September?

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

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 2.09" (53mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 12.7 days. Throughout September, 2.09" (53mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in September?

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

How many hours of daylight does Pottsville have in September?

In Pottsville, 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 7:01 am and sunset at 6:48 pm EDT.

How long on average sun shines in September in Pottsville?

In September, the average sunshine duration is 8.8h.

What is the UV index intensity in September?

In Pottsville, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to 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
Pottsville, PA

Average temperature in September - Pottsville, PA
  • Average high temperature in September: 73°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 (32.5°F).

  • Average low temperature in September: 53.6°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in September
Pottsville, PA

Average pressure in September - Pottsville, PA
  • Average pressure in September: 30.06"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
Pottsville, PA

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

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Pottsville, PA

Average humidity in September - Pottsville, 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
Pottsville, PA

Average rainfall in September - Pottsville, PA
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (2.09").

Average rainfall days in September
Pottsville, PA

Average rainfall days in September - Pottsville, PA
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and November (10.8 days).

Average snowfall in September
Pottsville, PA

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

The month with the highest snowfall is January (5.47").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Pottsville, PA

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

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Pottsville, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 24min).

Average sunshine days in September
Pottsville, PA

Average sunshine days in September - Pottsville, PA
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is May (9.6 days).

Average UV index in September
Pottsville, PA

Average UV index in September - Pottsville, PA
  • Average UV index in September: 4

The month with the highest UV index is July (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
Pottsville, PA

Average cloud cover in September - Pottsville, PA
  • Average cloud cover in September: 38

The months with the most cloud cover are February and December (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Pottsville, PA

Average visibility in September - Pottsville, 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).

Pottsville, Pennsylvania, USA

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