September weather forecast
Gulph Terrace, PA

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Gulph Terrace, Pennsylvania, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 59.9°F (15.5°C).

Temperature

The average high-temperature shows a slight dip in September, from August's moderately hot 83.7°F (28.7°C) to a still warm 76.5°F (24.7°C). An average low-temperature of 59.9°F (15.5°C) is recorded in the month of September in Gulph Terrace.

Humidity

In Gulph Terrace, the average relative humidity in September is 75%.

Rainfall

In Gulph Terrace, in September, it is raining for 10.1 days, with typically 0.63" (16mm) of accumulated precipitation. In Gulph Terrace, during the entire year, the rain falls for 111.8 days and collects up to 9.69" (246mm) of precipitation.

Snowfall

In Gulph Terrace, snow does not fall in April through October.

Daylight

In Gulph Terrace, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:44 pm EDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Adopt protective measures - It is advised to guard against sun damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

During September, Gulph Terrace experiences an average high-temperature of 76.5°F (24.7°C) and a low-temperature of 59.9°F (15.5°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 75%.

How many days does it rain in September?

In Gulph Terrace, during September, the rain falls for 10.1 days and regularly aggregates up to 0.63" (16mm) of precipitation.

When it does not snow in Gulph Terrace?

April through October are months without snowfall.

What is the average length of the day in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm EDT.

How many hours of sunshine does Gulph Terrace have in September?

In September, the average sunshine duration is 8.6h.

How high is the UV index in September?

In Gulph Terrace, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Gulph Terrace, PA

Average temperature in September - Gulph Terrace, PA
  • Average high temperature in September: 76.5°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in September
Gulph Terrace, PA

Average pressure in September - Gulph Terrace, PA
  • Average pressure in September: 30.05"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
Gulph Terrace, PA

Average wind speed in September - Gulph Terrace, PA
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in September
Gulph Terrace, PA

Average humidity in September - Gulph Terrace, PA
  • Average humidity in September: 75%

The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (71%).

Average rainfall in September
Gulph Terrace, PA

Average rainfall in September - Gulph Terrace, PA
  • Average rainfall in September: 0.63"

The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in September
Gulph Terrace, PA

Average rainfall days in September - Gulph Terrace, PA
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in September
Gulph Terrace, PA

Average snowfall in September - Gulph Terrace, PA
  • Average snowfall in September: 0"

The months with the highest snowfall are February and March (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Gulph Terrace, PA

Average snowfall days in September - Gulph Terrace, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Gulph Terrace, PA

Average daylight in September / Average sunshine in September - Gulph Terrace, 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
Gulph Terrace, PA

Average sunshine days in September - Gulph Terrace, PA
  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.9 days).

Average UV index in September
Gulph Terrace, PA

Average UV index in September - Gulph Terrace, PA
  • Average UV index in September: 5

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).

Average cloud cover in September
Gulph Terrace, PA

Average cloud cover in September - Gulph Terrace, 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
Gulph Terrace, PA

Average visibility in September - Gulph Terrace, 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).

Gulph Terrace, Pennsylvania, USA

Weather forecast for your location

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