Pittsburgh weather in September 2021

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  • 24°C maximum daytime temperature in September in Pittsburgh24
    24°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in September in Pittsburgh10
    10 days with some rainfall
  • 12°C minimum night-time temperature in September in Pittsburgh12
    12°C min night temperature
  • 12 hours of daylight per day in September in Pittsburgh12
    12 hours of daylight per day
  • No heat & humidity in September in Pittsburgh0
    No heat & humidity
  • 81 mm monthly rainfall in September in Pittsburgh81
    81 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Pittsburgh6
    6 (High) UV index

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The September weather guide for Pittsburgh, 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.

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How hot is it in Pittsburgh in September?

Daytime temperatures usually reach 24°C in Pittsburgh in September, falling to 12°C at night.

How sunny is it in Pittsburgh in September?

There are normally 6 hours of bright sunshine each day in Pittsburgh in September - that's 52% of daylight hours.

Does it rain in Pittsburgh in September?

There are usually 10 days with some rain in Pittsburgh in September and the average monthly rainfall is 81mm.

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

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

Pittsburgh sunrise & sunset times for September 2021

Browse the sunrise & sunset times for Pittsburgh in September 2021. Select a month to view Pittsburgh sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Wednesday, 1st September 2021 06:48 19:51
Wednesday, 15th September 2021 07:01 19:28
Thursday, 30th September 2021 07:16 19:03
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is hot in Pennsylvania in September for 2021/2022?

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

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