September weather forecast
West Newton, PA

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Weather in September

September, the first month of the autumn in West Newton, is also a moderately hot month, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 75°F (23.9°C).

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from a moderately hot 81.1°F (27.3°C) in August to a still warm 75°F (23.9°C). In the month of September, West Newton witnesses a consistent average low-temperature of 54.7°F (12.6°C).

Humidity

In West Newton, the average relative humidity in September is 78%.

Rainfall

In West Newton, during September, the rain falls for 13.7 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, there are 174.1 rainfall days, and 23.82" (605mm) of precipitation is accumulated.

Snowfall

In West Newton, Pennsylvania, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:15 am and sunset at 7:02 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

What is the average September temperature?

The high-temperature during September is 75°F (23.9°C) and the low-temperature is 54.7°F (12.6°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 86°F (30°C).

What is the average humidity in September?

In West Newton, the average relative humidity in September is 78%.

How many days does it rain in September in West Newton?

In West Newton, in September, it is raining for 13.7 days, with typically 1.69" (43mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:47 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 September, the average sunshine duration is 8.8h.

How high is the UV index in September?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
West Newton, PA

Average temperature in September - West Newton, PA
  • Average high temperature in September: 75°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 (33.6°F).

  • Average low temperature in September: 54.7°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in September
West Newton, PA

Average pressure in September - West Newton, 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).

Average wind speed in September
West Newton, PA

Average wind speed in September - West Newton, 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).

Average humidity in September
West Newton, PA

Average humidity in September - West Newton, 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 (77%).

Average rainfall in September
West Newton, PA

Average rainfall in September - West Newton, PA
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is November (1.42").

Average rainfall days in September
West Newton, PA

Average rainfall days in September - West Newton, PA
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (10 days).

Average snowfall in September
West Newton, PA

Average snowfall in September - West Newton, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
West Newton, PA

Average snowfall days in September - West Newton, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
West Newton, PA

Average daylight in September / Average sunshine in September - West Newton, 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 August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in September
West Newton, PA

Average sunshine days in September - West Newton, PA
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is January (7.3 days).

Average UV index in September
West Newton, PA

Average UV index in September - West Newton, PA
  • Average UV index in September: 4

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

Average cloud cover in September
West Newton, PA

Average cloud cover in September - West Newton, PA
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
West Newton, PA

Average visibility in September - West Newton, PA
  • Average visibility in September: 5mi

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

West Newton, Pennsylvania, USA

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