September weather forecast
North Hills, PA

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Weather in September

The first month of the autumn, September, is still a warm month in North Hills, Pennsylvania, with an average temperature ranging between max 76.1°F (24.5°C) and min 59.9°F (15.5°C).

Temperature

With the commencement of September, North Hills records a moderate temperature decline, with the average high easing from August's 83.3°F (28.5°C) to a still warm 76.1°F (24.5°C). North Hills's nights in September experience an average temperature drop to a moderate 59.9°F (15.5°C).

Humidity

In North Hills, the average relative humidity in September is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 10.1 days and typically collects 0.75" (19mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In North Hills, the average length of the day in September is 12h and 26min.
On the first day of September in North Hills, Pennsylvania, sunrise is at 6:29 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm EDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The average high-temperature and low-temperature during September are 76.1°F (24.5°C) and 59.9°F (15.5°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 10.1 days and accumulates 0.75" (19mm) of precipitation.

How many days does it rain in September?

In North Hills, during September, the rain falls for 10.1 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does North Hills have in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:29 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration in North Hills is 8.8h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index 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
North Hills, PA

Average temperature in September - North Hills, PA
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (86.2°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 (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in September
North Hills, PA

Average pressure in September - North Hills, 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
North Hills, PA

Average wind speed in September - North Hills, PA
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in September
North Hills, PA

Average humidity in September - North Hills, PA
  • Average humidity in September: 75%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in September
North Hills, PA

Average rainfall in September - North Hills, PA
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in September
North Hills, PA

Average rainfall days in September - North Hills, PA
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).

Average snowfall in September
North Hills, PA

Average snowfall in September - North Hills, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
North Hills, PA

Average snowfall days in September - North Hills, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.1 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
North Hills, PA

Average daylight in September / Average sunshine in September - North Hills, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
North Hills, PA

Average sunshine days in September - North Hills, PA
  • Average sunshine days in September: 18.5 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).

Average UV index in September
North Hills, PA

Average UV index in September - North Hills, 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, March, November and December (UV index 2).

Average cloud cover in September
North Hills, PA

Average cloud cover in September - North Hills, PA
  • Average cloud cover in September: 38

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in September
North Hills, PA

Average visibility in September - North Hills, PA
  • Average visibility in September: 5mi

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

North Hills, Pennsylvania, USA

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