September weather forecast
Blue Ball, PA

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Weather in September

The first month of the autumn, September, is still a warm month in Blue Ball, Pennsylvania, with an average temperature varying between 74.5°F (23.6°C) and 56.3°F (13.5°C).

Temperature

As September commences, the average high-temperature subtly reduces, transitioning from a warm 80.6°F (27°C) in August to a still moderately hot 74.5°F (23.6°C). Blue Ball records an average nighttime low of 56.3°F (13.5°C) in September.

Humidity

In Blue Ball, Pennsylvania, the average relative humidity in September is 80%.

Rainfall

The month with the least rainfall in Blue Ball is September, when the rain falls for 13 days and typically collects 2.28" (58mm) of precipitation.

Snowfall

In Blue Ball, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:32 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What are the temperatures in Blue Ball in September?

The high-temperature during September is 74.5°F (23.6°C) and the low-temperature is 56.3°F (13.5°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

What is the average humidity in September in Blue Ball?

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

What is the driest month in Blue Ball?

The month with the least rainfall in Blue Ball, Pennsylvania, is September, when the rain falls for 13 days and typically collects 2.28" (58mm) of precipitation.

How much does it rain in Blue Ball in September?

In September, in Blue Ball, the rain falls for 13 days. Throughout September, 2.28" (58mm) of precipitation is accumulated.

When it does not snow in Blue Ball?

In Blue Ball, Pennsylvania, snow does not fall in June through September.

Does it snow in Blue Ball in September?

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

What is the average length of the day in September in Blue Ball?

In Blue Ball, Pennsylvania, the average day length in September is 12h and 26min.

When is the sunrise / sunset in September in Blue Ball?

On the first day of September in Blue Ball, sunrise is at 6:32 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.

How many hours of sunshine does Blue Ball have in September?

In September, the average sunshine duration in Blue Ball, Pennsylvania, is 8.8h.

What is the UV index intensity in September in Blue Ball?

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

Average temperature in September - Blue Ball, PA
  • Average high temperature in September: 74.5°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (23°F).

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Average pressure in September
Blue Ball, PA

Average pressure in September - Blue Ball, 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).

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Average wind speed in September
Blue Ball, PA

Average wind speed in September - Blue Ball, PA
  • Average wind speed in September: 5.6mph

The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Blue Ball, PA

Average humidity in September - Blue Ball, PA
  • Average humidity in September: 80%

The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in September
Blue Ball, PA

Average rainfall in September - Blue Ball, PA
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is September (2.28").

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Average rainfall days in September
Blue Ball, PA

Average rainfall days in September - Blue Ball, PA
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.5 days).

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Average snowfall in September
Blue Ball, PA

Average snowfall in September - Blue Ball, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (4.45").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Blue Ball, PA

Average snowfall days in September - Blue Ball, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Blue Ball, PA

Average daylight in September / Average sunshine in September - Blue Ball, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Blue Ball, PA

Average sunshine days in September - Blue Ball, PA
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.5 days).

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Average UV index in September
Blue Ball, PA

Average UV index in September - Blue Ball, PA
  • Average UV index in September: 4

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Blue Ball, PA

Average cloud cover in September - Blue Ball, PA
  • Average cloud cover in September: 38

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in September
Blue Ball, PA

Average visibility in September - Blue Ball, PA
  • Average visibility in September: 5mi

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

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Blue Ball, Pennsylvania, USA

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