September weather forecast
Waynecastle, PA

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Weather in September

September, the first month of the autumn in Waynecastle, is also a moderately hot month, with an average temperature varying between 74.8°F (23.8°C) and 55.6°F (13.1°C).

Temperature

Waynecastle's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's 81.9°F (27.7°C) to a still moderately hot 74.8°F (23.8°C). Waynecastle records an average low-temperature of 55.6°F (13.1°C) throughout the month of September.

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Waynecastle, during September, the rain falls for 14.1 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 161.8 rainfall days, and 28.07" (713mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:39 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:54 pm EDT.

Sunshine

In Waynecastle, the average sunshine in September is 8.6h.

UV index

In Waynecastle, 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 the average person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The average high-temperature, in September, in Waynecastle, is 74.8°F (23.8°C), while the average low-temperature is 55.6°F (13.1°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 87.8°F (31°C).

What is the average humidity in September?

In Waynecastle, the average relative humidity in September is 78%.

How much does it rain in September?

In September, the rain falls for 14.1 days. Throughout September, 1.97" (50mm) of precipitation is accumulated.

When it does not snow in Waynecastle?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Waynecastle have in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:39 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:54 pm EDT.

How long on average sun shines 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 is 4. A UV Index value 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Waynecastle, PA

Average temperature in September - Waynecastle, PA
  • Average high temperature in September: 74.8°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in September: 55.6°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in September
Waynecastle, PA

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

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Waynecastle, PA

Average wind speed in September - Waynecastle, PA
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in September
Waynecastle, PA

Average humidity in September - Waynecastle, PA
  • Average humidity in September: 78%

The months with the highest relative humidity are February, May, October and December (79%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in September
Waynecastle, PA

Average rainfall in September - Waynecastle, PA
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in September
Waynecastle, PA

Average rainfall days in September - Waynecastle, PA
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (9 days).

Average snowfall in September
Waynecastle, PA

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

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Waynecastle, PA

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

The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Waynecastle, PA

Average daylight in September / Average sunshine in September - Waynecastle, PA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Waynecastle, PA

Average sunshine days in September - Waynecastle, PA
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in September
Waynecastle, PA

Average UV index in September - Waynecastle, PA
  • Average UV index in September: 4

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Waynecastle, PA

Average cloud cover in September - Waynecastle, PA
  • Average cloud cover in September: 38

The months with the most cloud cover are January, February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Waynecastle, PA

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

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

Waynecastle, Pennsylvania, USA

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