September weather forecast
Chandlers Valley, PA

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Weather in September

September, the first month of the autumn in Chandlers Valley, is still a pleasant month, with an average temperature ranging between max 70.2°F (21.2°C) and min 50.9°F (10.5°C).

Temperature

September heralds a minor drop in average high-temperature, sliding from August's moderately hot 76.3°F (24.6°C) to a pleasant 70.2°F (21.2°C). Throughout September, an average low-temperature of 50.9°F (10.5°C) is expected.

Humidity

In September, the average relative humidity in Chandlers Valley is 82%.

Rainfall

In Chandlers Valley, in September, during 13.9 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 162.1 rainfall days, and 21.81" (554mm) of precipitation is accumulated.

Snowfall

In Chandlers Valley, Pennsylvania, snow does not fall in June through September.

Daylight

In September, the average length of the day in Chandlers Valley, Pennsylvania, is 12h and 28min.
On the first day of the month, sunrise is at 6:43 am and sunset at 7:50 pm. On the last day of September, in Chandlers Valley, Pennsylvania, sunrise is at 7:13 am and sunset at 7:00 pm EDT.

Sunshine

The average sunshine in September is 8.1h.

UV index

In Chandlers Valley, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 3 during September translates into the following guidance:
Ensure safety - Sun damage prevention is strongly urged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What are September temperatures in Chandlers Valley?

In Chandlers Valley, 70.2°F (21.2°C) is the average high-temperature and 50.9°F (10.5°C) is the average low-temperature during September.

What is the average humidity in September in Chandlers Valley?

In September, the average relative humidity in Chandlers Valley is 82%.

How many days does it rain in September in Chandlers Valley?

In Chandlers Valley, in September, it is raining for 13.9 days, with typically 1.46" (37mm) of accumulated precipitation.

When it does not snow in Chandlers Valley?

June through September are months without snowfall in Chandlers Valley, Pennsylvania.

Does it snow in Chandlers Valley in September?

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

What is the average length of the day in September in Chandlers Valley?

In Chandlers Valley, Pennsylvania, the average day length in September is 12h and 28min.

When is the sunrise / sunset in September in Chandlers Valley?

In September, on the first day of the month, sunrise is at 6:43 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:00 pm EDT.

How many hours of sunshine does Chandlers Valley have in September?

In Chandlers Valley, Pennsylvania, the average sunshine duration in September is 8.1h.

What is the UV index intensity in September in Chandlers Valley?

The average daily maximum UV index in September in Chandlers Valley is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Chandlers Valley, PA

Average temperature in September - Chandlers Valley, PA
  • Average high temperature in September: 70.2°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in September: 50.9°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in September
Chandlers Valley, PA

Average pressure in September - Chandlers Valley, PA
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Chandlers Valley, PA

Average wind speed in September - Chandlers Valley, PA
  • Average wind speed in September: 6.1mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in September
Chandlers Valley, PA

Average humidity in September - Chandlers Valley, PA
  • Average humidity in September: 82%

The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (80%).

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Average rainfall in September
Chandlers Valley, PA

Average rainfall in September - Chandlers Valley, PA
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is March (1.42").

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Average rainfall days in September
Chandlers Valley, PA

Average rainfall days in September - Chandlers Valley, PA
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in September
Chandlers Valley, PA

Average snowfall in September - Chandlers Valley, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is December (6.77").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Chandlers Valley, PA

Average snowfall days in September - Chandlers Valley, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (22 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
Chandlers Valley, PA

Average daylight in September / Average sunshine in September - Chandlers Valley, PA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).

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Average sunshine days in September
Chandlers Valley, PA

Average sunshine days in September - Chandlers Valley, PA
  • Average sunshine days in September: 12.9 days

The month with the most sunshine days is September (12.9 days).
The month with the least sunshine days is January (5.1 days).

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Average UV index in September
Chandlers Valley, PA

Average UV index in September - Chandlers Valley, PA
  • Average UV index in September: 3

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

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Average cloud cover in September
Chandlers Valley, PA

Average cloud cover in September - Chandlers Valley, PA
  • Average cloud cover in September: 44

The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).

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Average visibility in September
Chandlers Valley, PA

Average visibility in September - Chandlers Valley, PA
  • Average visibility in September: 5mi

The months with the highest visibility are March, April, May, June, July, September, October and November (5mi).
The months with the lowest visibility are January, February, August and December (4mi).

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Chandlers Valley, Pennsylvania, USA

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