September weather forecast
Whiteland Crest, PA

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Weather in September

September, the first month of the autumn in Whiteland Crest, is also a moderately hot month, with an average temperature fluctuating between 59.2°F (15.1°C) and 75.7°F (24.3°C).

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from 82.4°F (28°C) in August to a still moderately hot 75.7°F (24.3°C). Whiteland Crest observes an average nighttime temperature of 59.2°F (15.1°C) during September.

Humidity

The average relative humidity in September is 77%.

Rainfall

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

Snowfall

In Whiteland Crest, snow does not fall in June through October.

Daylight

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

Sunshine

In September, the average sunshine is 8.6h.

UV index

In Whiteland Crest, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 4 during September leads to these instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Jun 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

Whiteland Crest in September has an average high-temperature of 75.7°F (24.3°C) and an average low-temperature of 59.2°F (15.1°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is computed to be 87.8°F (31°C).

What is the average humidity in September in Whiteland Crest?

The average relative humidity in September is 77%.

How many days does it rain in September?

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

When it does not snow?

June through October are months without snowfall.

How many hours of daylight does Whiteland Crest have in September?

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

When is the sunrise / sunset in September?

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, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

How many hours of sunshine does Whiteland Crest have in September?

The average sunshine duration in September is 8.6h.

What is the UV index reading in September?

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

Average temperature in September - Whiteland Crest, 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).

Average pressure in September
Whiteland Crest, PA

Average pressure in September - Whiteland Crest, 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).

Average wind speed in September
Whiteland Crest, PA

Average wind speed in September - Whiteland Crest, 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).

Average humidity in September
Whiteland Crest, PA

Average humidity in September - Whiteland Crest, 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%).

Average rainfall in September
Whiteland Crest, PA

Average rainfall in September - Whiteland Crest, 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").

Average rainfall days in September
Whiteland Crest, PA

Average rainfall days in September - Whiteland Crest, 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).

Average snowfall in September
Whiteland Crest, PA

Average snowfall in September - Whiteland Crest, 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").

Average snowfall days in September
Whiteland Crest, PA

Average snowfall days in September - Whiteland Crest, 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).

Average daylight in September /
Average sunshine in September
Whiteland Crest, PA

Average daylight in September / Average sunshine in September - Whiteland Crest, 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).

Average sunshine days in September
Whiteland Crest, PA

Average sunshine days in September - Whiteland Crest, 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).

Average UV index in September
Whiteland Crest, PA

Average UV index in September - Whiteland Crest, 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).

Average cloud cover in September
Whiteland Crest, PA

Average cloud cover in September - Whiteland Crest, 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).

Average visibility in September
Whiteland Crest, PA

Average visibility in September - Whiteland Crest, 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).

Whiteland Crest, Pennsylvania, USA

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