September weather forecast
New Kensington, PA

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Weather in September

September kicks off the Autumn season in New Kensington, as temperatures begin to slide from summer highs towards pleasant averages around 74.8°F (23.8°C). The sizzling heat of the previous months start ebbing away, making outdoor activities more enjoyable. A subtle transformation sweeps across the city with fall colors starting to adorn the trees. The sunshine hours decrease to approximately 8.5h, hinting at the shorter days ahead. It is a time of transition as the flamboyant summer gracefully yields to the subtle charm of Autumn in Pennsylvania.

Temperature

The arrival of September in New Kensington, Pennsylvania, corresponds with a light shift in temperature, down from 81.3°F (27.4°C) in August to a still warm 74.8°F (23.8°C). An average temperature of 54.7°F (12.6°C) is recorded during the nights in September.

Humidity

In September, the average relative humidity in New Kensington is 78%.

Rainfall

In New Kensington, in September, during 14.1 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In New Kensington, during the entire year, the rain falls for 185.5 days and collects up to 35.59" (904mm) of precipitation.

Snowfall

In New Kensington, Pennsylvania, snow does not fall in June through September.

Daylight

The average length of the day in September in New Kensington is 12h and 27min.
On the first day of September, sunrise is at 6:46 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In New Kensington, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 4 during September leads to these advisories:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What is the temperature in September in New Kensington?

The high-temperature in New Kensington, Pennsylvania, during September is 74.8°F (23.8°C) and the low-temperature is 54.7°F (12.6°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 86°F (30°C).

What is the average humidity in September in New Kensington?

In New Kensington, the average relative humidity in September is 78%.

How many days does it rain in September in New Kensington?

In New Kensington, in September, during 14.1 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

When it does not snow in New Kensington?

In New Kensington, Pennsylvania, snow does not fall in June through September.

Does it snow in New Kensington in September?

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

What is the average length of the day in September in New Kensington?

In September, the average day length in New Kensington is 12h and 27min.

When is the sunrise / sunset in September in New Kensington?

On the first day of September in New Kensington, Pennsylvania, sunrise is at 6:46 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm EDT.

How long on average sun shines in September in New Kensington?

In New Kensington, Pennsylvania, the average sunshine duration in September is 8.5h.

How high is the UV index in September in New Kensington?

The average daily maximum UV index in September in New Kensington is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
New Kensington, PA

Average temperature in September - New Kensington, PA
  • Average high temperature in September: 74.8°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).

  • Average low temperature in September: 54.7°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 (20.3°F).

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Average pressure in September
New Kensington, PA

Average pressure in September - New Kensington, PA
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in September
New Kensington, PA

Average wind speed in September - New Kensington, PA
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in September
New Kensington, PA

Average humidity in September - New Kensington, PA
  • Average humidity in September: 78%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).

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Average rainfall in September
New Kensington, PA

Average rainfall in September - New Kensington, PA
  • Average rainfall in September: 2.56"

The wettest months (with the highest rainfall) are April and May (3.66").
The driest month (with the least rainfall) is November (2.2").

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Average rainfall days in September
New Kensington, PA

Average rainfall days in September - New Kensington, PA
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (11.1 days).

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Average snowfall in September
New Kensington, PA

Average snowfall in September - New Kensington, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
New Kensington, PA

Average snowfall days in September - New Kensington, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (18 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
New Kensington, PA

Average daylight in September / Average sunshine in September - New Kensington, 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 18min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in September
New Kensington, PA

Average sunshine days in September - New Kensington, PA
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.3 days).

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Average UV index in September
New Kensington, PA

Average UV index in September - New Kensington, PA
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
New Kensington, PA

Average cloud cover in September - New Kensington, PA
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in September
New Kensington, PA

Average visibility in September - New Kensington, PA
  • Average visibility in September: 5mi

The months with the highest visibility are April and August (6mi).
The months with the lowest visibility are January and February (4mi).

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New Kensington, Pennsylvania, USA

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