September weather forecast
Sandy, PA

Weather in September

The first month of the autumn, September, is still a pleasant month in Sandy, Pennsylvania, with an average temperature varying between 72.3°F (22.4°C) and 51.8°F (11°C).

Temperature

In September, the average high-temperature slightly decreases from a moderately hot 78.4°F (25.8°C) in August to an agreeable 72.3°F (22.4°C). In Sandy, Pennsylvania, in September, the average low-temperature is 51.8°F (11°C).

Humidity

The average relative humidity in September in Sandy, Pennsylvania, is 80%.

Rainfall

In Sandy, in September, it is raining for 14.2 days, with typically 2.32" (59mm) of accumulated precipitation. Throughout the year, in Sandy, there are 177 rainfall days, and 34.29" (871mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September in Sandy is 12h and 28min.
On the first day of September in Sandy, sunrise is at 6:41 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:59 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

In Sandy, Pennsylvania, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Sandy?

In Sandy, Pennsylvania, in September, the average high-temperature is 72.3°F (22.4°C), and the average low-temperature is 51.8°F (11°C).

What is the average humidity in September in Sandy?

In September, the average relative humidity is 80%.

How much does it rain in Sandy in September?

In Sandy, Pennsylvania, in September, during 14.2 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow in Sandy?

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

Does it snow in Sandy in September?

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

How many hours of daylight does Sandy have in September?

In Sandy, the average day length in September is 12h and 28min.

What time are sunrise and sunset in September in Sandy?

On the first day of September in Sandy, sunrise is at 6:41 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:59 pm EDT.

How many hours of sunshine does Sandy have in September?

In September, the average sunshine duration is 8.3h.

What is the UV index reading in September in Sandy?

In September, the average daily maximum UV index in Sandy is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sandy, PA

Average temperature in September - Sandy, PA
  • Average high temperature in September: 72.3°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in September: 51.8°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

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Average pressure in September
Sandy, PA

Average pressure in September - Sandy, 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).

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Average wind speed in September
Sandy, PA

Average wind speed in September - Sandy, PA
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in September
Sandy, PA

Average humidity in September - Sandy, PA
  • Average humidity in September: 80%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are June, July and August (78%).

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Average rainfall in September
Sandy, PA

Average rainfall in September - Sandy, PA
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.17").

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Average rainfall days in September
Sandy, PA

Average rainfall days in September - Sandy, PA
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in September
Sandy, PA

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

The month with the highest snowfall is January (9.25").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Sandy, PA

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

The month with the highest number of snowfall days is January (20.2 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
Sandy, PA

Average daylight in September / Average sunshine in September - Sandy, PA
  • Average daylight in September: 12h and 28min

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 16min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

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Average sunshine days in September
Sandy, PA

Average sunshine days in September - Sandy, PA
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is February (6.3 days).

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Average UV index in September
Sandy, PA

Average UV index in September - Sandy, PA
  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Sandy, PA

Average cloud cover in September - Sandy, PA
  • Average cloud cover in September: 44

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 39).

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Average visibility in September
Sandy, PA

Average visibility in September - Sandy, PA
  • Average visibility in September: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).

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