September weather forecast
Darlington Corners, PA

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Weather in September

The first month of the autumn, September, is still a warm month in Darlington Corners, Pennsylvania, with an average temperature varying between 75.7°F (24.3°C) and 59.2°F (15.1°C).

Temperature

September indicates a minor shift in the average high-temperature, from August's 82.4°F (28°C) to a still warm 75.7°F (24.3°C). In the month of September, Darlington Corners's average low-temperature falls to a moderate 59.2°F (15.1°C).

Humidity

In September, the average relative humidity in Darlington Corners is 77%.

Rainfall

In September, in Darlington Corners, Pennsylvania, the rain falls for 11.5 days. Throughout September, 1.1" (28mm) of precipitation is accumulated. In Darlington Corners, during the entire year, the rain falls for 128.5 days and collects up to 14.92" (379mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September in Darlington Corners, sunrise is at 6:30 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

Sunshine

In Darlington Corners, Pennsylvania, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

What is the temperature in September in Darlington Corners?

September temperatures in Darlington Corners vary between a high-temperature of 75.7°F (24.3°C) and a low-temperature of 59.2°F (15.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 87.8°F (31°C).

What is the average humidity in September in Darlington Corners?

In September, the average relative humidity in Darlington Corners, Pennsylvania, is 77%.

How much does it rain in Darlington Corners in September?

In Darlington Corners, Pennsylvania, in September, it is raining for 11.5 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Darlington Corners?

June through October are months without snowfall in Darlington Corners.

How many hours of daylight does Darlington Corners have in September?

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

When are sunrise and sunset in September in Darlington Corners?

In September, on the first day of the month, sunrise is at 6:30 am and sunset at 7:33 pm. On the last day of the month, in Darlington Corners, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

How long on average sun shines in September in Darlington Corners?

In September, the average sunshine duration is 8.6h.

What is the UV index reading in September in Darlington Corners?

The average daily maximum UV index in September in Darlington Corners, Pennsylvania, is 4. A UV Index 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
Darlington Corners, PA

Average temperature in September - Darlington Corners, PA
  • Average high temperature in September: 75.7°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

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Average pressure in September
Darlington Corners, PA

Average pressure in September - Darlington Corners, PA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Darlington Corners, PA

Average wind speed in September - Darlington Corners, PA
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in September
Darlington Corners, PA

Average humidity in September - Darlington Corners, PA
  • Average humidity in September: 77%

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in September
Darlington Corners, PA

Average rainfall in September - Darlington Corners, PA
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (0.83").

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Average rainfall days in September
Darlington Corners, PA

Average rainfall days in September - Darlington Corners, PA
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall in September
Darlington Corners, PA

Average snowfall in September - Darlington Corners, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.54").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Darlington Corners, PA

Average snowfall days in September - Darlington Corners, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Darlington Corners, PA

Average daylight in September / Average sunshine in September - Darlington Corners, 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 4min

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

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Average sunshine days in September
Darlington Corners, PA

Average sunshine days in September - Darlington Corners, PA
  • Average sunshine days in September: 17 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is August (13.1 days).

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Average UV index in September
Darlington Corners, PA

Average UV index in September - Darlington Corners, PA
  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (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
Darlington Corners, PA

Average cloud cover in September - Darlington Corners, PA
  • Average cloud cover in September: 39

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

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Average visibility in September
Darlington Corners, PA

Average visibility in September - Darlington Corners, PA
  • Average visibility in September: 5mi

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

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Darlington Corners, Pennsylvania, USA

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