September weather forecast
East Vandergrift, PA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in East Vandergrift, Pennsylvania, with an average temperature varying between 54.3°F (12.4°C) and 74.7°F (23.7°C).

Temperature

September's arrival subtly correlates with a reduction in the average high-temperature, down from 81°F (27.2°C) in August to a still moderately hot 74.7°F (23.7°C). September witnesses an average low-temperature hovering around a cool 54.3°F (12.4°C).

Humidity

In East Vandergrift, the average relative humidity in September is 79%.

Rainfall

In September, the rain falls for 11.3 days. Throughout September, 1.34" (34mm) of precipitation is accumulated. In East Vandergrift, during the entire year, the rain falls for 147.1 days and collects up to 18.54" (471mm) of precipitation.

Snowfall

In East Vandergrift, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:46 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:01 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In East Vandergrift, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Adopt protective measures - It is advised to guard against sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

What is the usual temperature for East Vandergrift in September?

In September, in East Vandergrift, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 54.3°F (12.4°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is computed to be 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 79%.

How much does it rain in September?

In East Vandergrift, in September, it is raining for 11.3 days, with typically 1.34" (34mm) of accumulated precipitation.

When it does not snow in East Vandergrift?

In East Vandergrift, snow does not fall in June through September.

Does it snow in September?

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

What is the average length of the day in September?

In East Vandergrift, 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 6:46 am and sunset at 7:49 pm. On the last day of the month, in East Vandergrift, sunrise is at 7:14 am and sunset at 7:01 pm EDT.

How long on average sun shines in September?

In East Vandergrift, the average sunshine duration in September is 8.5h.

How high is the UV index in September in East Vandergrift?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's 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
East Vandergrift, PA

Average temperature in September - East Vandergrift, PA
  • Average high temperature in September: 74.7°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in September: 54.3°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 (19.8°F).

Average pressure in September
East Vandergrift, PA

Average pressure in September - East Vandergrift, 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 (29.95"Hg).

Average wind speed in September
East Vandergrift, PA

Average wind speed in September - East Vandergrift, PA
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in September
East Vandergrift, PA

Average humidity in September - East Vandergrift, PA
  • Average humidity in September: 79%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in September
East Vandergrift, PA

Average rainfall in September - East Vandergrift, PA
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is November (1.02").

Average rainfall days in September
East Vandergrift, PA

Average rainfall days in September - East Vandergrift, PA
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (17.6 days).
The months with the least rainy days are January and February (7.8 days).

Average snowfall in September
East Vandergrift, PA

Average snowfall in September - East Vandergrift, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
East Vandergrift, PA

Average snowfall days in September - East Vandergrift, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
East Vandergrift, PA

Average daylight in September / Average sunshine in September - East Vandergrift, 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 48min).

Average sunshine days in September
East Vandergrift, PA

Average sunshine days in September - East Vandergrift, PA
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is May (10 days).

Average UV index in September
East Vandergrift, PA

Average UV index in September - East Vandergrift, 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
East Vandergrift, PA

Average cloud cover in September - East Vandergrift, PA
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
East Vandergrift, PA

Average visibility in September - East Vandergrift, 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).

East Vandergrift, Pennsylvania, USA

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