September weather forecast
Fayetteville, PA

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Fayetteville, Pennsylvania, with an average temperature varying between 55.4°F (13°C) and 74.3°F (23.5°C).

Temperature

As September commences, the average high-temperature subtly reduces, transitioning from a moderately hot 81.7°F (27.6°C) in August to a still warm 74.3°F (23.5°C). An average low-temperature of 55.4°F (13°C) marks the nights throughout September.

Humidity

In September, the average relative humidity in Fayetteville is 79%.

Rainfall

In Fayetteville, Pennsylvania, in September, it is raining for 13.9 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, there are 156 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Fayetteville, Pennsylvania, is 12h and 26min.
On the first day of September in Fayetteville, sunrise is at 6:38 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:53 pm EDT.

Sunshine

In Fayetteville, Pennsylvania, the average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September in Fayetteville is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
[Resources]

Frequently asked questions

What are September temperatures in Fayetteville?

In Fayetteville, in September, the average high-temperature is 74.3°F (23.5°C), and the average low-temperature is 55.4°F (13°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 87.8°F (31°C).

What is the average humidity in September in Fayetteville?

In September, the average relative humidity is 79%.

How much does it rain in Fayetteville in September?

In September, in Fayetteville, Pennsylvania, the rain falls for 13.9 days. Throughout September, 1.89" (48mm) of precipitation is accumulated.

When it does not snow in Fayetteville?

June through September are months without snowfall in Fayetteville.

Does it snow in Fayetteville in September?

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

How many hours of daylight does Fayetteville have in September?

The average day length in September is 12h and 26min.

When are sunrise and sunset in September in Fayetteville?

On the first day of September, sunrise is at 6:38 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:53 pm EDT.

How long on average sun shines in September in Fayetteville?

In September, the average sunshine duration is 8.5h.

What is the UV index intensity in September in Fayetteville?

In Fayetteville, Pennsylvania, the average daily maximum UV index in September 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
Fayetteville, PA

Average temperature in September - Fayetteville, PA
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in September: 55.4°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

[Resources]

Average pressure in September
Fayetteville, PA

Average pressure in September - Fayetteville, 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).

[Resources]

Average wind speed in September
Fayetteville, PA

Average wind speed in September - Fayetteville, PA
  • Average wind speed in September: 5.1mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

[Resources]

Average humidity in September
Fayetteville, PA

Average humidity in September - Fayetteville, PA
  • Average humidity in September: 79%

The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is July (75%).

[Resources]

Average rainfall in September
Fayetteville, PA

Average rainfall in September - Fayetteville, PA
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.85").

[Resources]

Average rainfall days in September
Fayetteville, PA

Average rainfall days in September - Fayetteville, PA
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.3 days).

[Resources]

Average snowfall in September
Fayetteville, PA

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

The month with the highest snowfall is January (4.92").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Fayetteville, PA

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

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Fayetteville, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

[Resources]

Average sunshine days in September
Fayetteville, PA

Average sunshine days in September - Fayetteville, PA
  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.6 days).

[Resources]

Average UV index in September
Fayetteville, PA

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

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

[Resources]

Average cloud cover in September
Fayetteville, PA

Average cloud cover in September - Fayetteville, PA
  • Average cloud cover in September: 40

The months with the most cloud cover are January, February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

[Resources]

Average visibility in September
Fayetteville, PA

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

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

[Resources]

Fayetteville, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location