Pennsylvania weather in September 2020

Below are average maximum temperatures at popular destinations in Pennsylvania in September. Select a destination to see more weather parameters.

More destinations >>

  • Top deals & discounts
  • Pennsylvania weather overview
  • Pennsylvania climate averages by month
  • More destinations
  • Best time to go to Pennsylvania
  • Pennsylvania 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

The September weather guide for Pennsylvania shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

  • Save at least 20% on early bookings for 2020
  • Book hotels in Rome, Bangkok, Istanbul, Paris & more
  • Travel before 31st March 2020 (inclusive)

Expires at 23:59 on Tuesday 31st Mar 2020 · View all offers

How hot is it in Pennsylvania in September?

Daytime temperatures usually reach 25°C in Philadelphia, Pennsylvania in September with no heat and humidity, falling to 14°C at night.

How sunny is it in Pennsylvania in September?

There are normally 7 hours of bright sunshine each day in Philadelphia, Pennsylvania in September - that's 58% of daylight hours.

Does it rain in Pennsylvania in September?

There are usually 8 days with some rain in Philadelphia, Pennsylvania in September and the average monthly rainfall is 91mm.

What is the chance of a hurricane in Pennsylvania in September?

On average less than 1 day in September in Philadelphia, Pennsylvania is likely to be affected by the passage of one or more tropical storms.

Pennsylvania sunrise & sunset times for September 2020

Browse the sunrise & sunset times for Pennsylvania in September 2020. Select a month to view Pennsylvania sunrise & sunset times for the next twelve months. The Pennsylvania sunrise & sunset times shown below are for Philadelphia.


Date Sunrise times Sunset times
Tuesday, 1st September 2020 06:29 19:31
Tuesday, 15th September 2020 06:42 19:08
Wednesday, 30th September 2020 06:56 18:44
  • Save on Jack's Flight Club Premium with latest offer
  • Pay just £3.25 per month (based on annual membership)
  • Cancel anytime. 3 & 6 month subscriptions also available

Expires at 23:59 on Friday 31st Jan 2020

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

Discover more about the USA

More Pennsylvania destinations

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.