September weather forecast
Langhorne Manor, PA

Share

Weather in September

The first month of the autumn, September, is still a warm month in Langhorne Manor, Pennsylvania, with an average temperature varying between 59.9°F (15.5°C) and 76.5°F (24.7°C).

Temperature

September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from 83.1°F (28.4°C) in August to a still moderately hot 76.5°F (24.7°C). Langhorne Manor experiences a consistent average temperature of 59.9°F (15.5°C) throughout the nights in September.

Humidity

In September, the average relative humidity is 76%.

Rainfall

In September, in Langhorne Manor, the rain falls for 12.7 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 154.4 rainfall days, and 31.38" (797mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In September, the average length of the day in Langhorne Manor, Pennsylvania, is 12h and 26min.
On the first day of September in Langhorne Manor, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:43 pm EDT.

Sunshine

In September, the average sunshine in Langhorne Manor is 8.8h.

UV index

In Langhorne Manor, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
[Resources]

Frequently asked questions

What are September temperatures in Langhorne Manor?

The average high-temperature and low-temperature in Langhorne Manor during September are 76.5°F (24.7°C) and 59.9°F (15.5°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 89.6°F (32°C).

What is the average humidity in September in Langhorne Manor?

In Langhorne Manor, Pennsylvania, the average relative humidity in September is 76%.

How many days does it rain in September in Langhorne Manor?

In Langhorne Manor, Pennsylvania, during September, the rain falls for 12.7 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When it does not snow in Langhorne Manor?

In Langhorne Manor, snow does not fall in June through October.

How many hours of daylight does Langhorne Manor have in September?

The average day length in September in Langhorne Manor, Pennsylvania, is 12h and 26min.

When are sunrise and sunset in September in Langhorne Manor?

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of the month, in Langhorne Manor, sunrise is at 6:55 am and sunset at 6:43 pm EDT.

How long on average sun shines in September in Langhorne Manor?

The average sunshine duration in September is 8.8h.

How high is the UV index in September in Langhorne Manor?

In Langhorne Manor, Pennsylvania, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Langhorne Manor, PA

Average temperature in September - Langhorne Manor, PA
  • Average high temperature in September: 76.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

[Resources]

Average pressure in September
Langhorne Manor, PA

Average pressure in September - Langhorne Manor, 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 (29.93"Hg).

[Resources]

Average wind speed in September
Langhorne Manor, PA

Average wind speed in September - Langhorne Manor, PA
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

[Resources]

Average humidity in September
Langhorne Manor, PA

Average humidity in September - Langhorne Manor, PA
  • Average humidity in September: 76%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

[Resources]

Average rainfall in September
Langhorne Manor, PA

Average rainfall in September - Langhorne Manor, PA
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is January (1.89").

[Resources]

Average rainfall days in September
Langhorne Manor, PA

Average rainfall days in September - Langhorne Manor, PA
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8 days).

[Resources]

Average snowfall in September
Langhorne Manor, PA

Average snowfall in September - Langhorne Manor, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.99").
The months with the least snowfall are June, July, August, September and October (0").

[Resources]

Average snowfall days in September
Langhorne Manor, PA

Average snowfall days in September - Langhorne Manor, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Langhorne Manor, PA

Average daylight in September / Average sunshine in September - Langhorne Manor, 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 5min

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 48min).

[Resources]

Average sunshine days in September
Langhorne Manor, PA

Average sunshine days in September - Langhorne Manor, PA
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.9 days).

[Resources]

Average UV index in September
Langhorne Manor, PA

Average UV index in September - Langhorne Manor, 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, November and December (UV index 2).

[Resources]

Average cloud cover in September
Langhorne Manor, PA

Average cloud cover in September - Langhorne Manor, PA
  • Average cloud cover in September: 37

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

[Resources]

Average visibility in September
Langhorne Manor, PA

Average visibility in September - Langhorne Manor, PA
  • Average visibility in September: 6mi

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

[Resources]

Langhorne Manor, Pennsylvania, USA

Weather forecast for your location

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