Pittsburgh weather in September 2026

Q: How hot is it in Pittsburgh in September?

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

Q: How sunny is it in Pittsburgh in September?

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

Q: Does it rain in Pittsburgh in September?

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

Q: 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.

Expect daytime maximum temperatures of 75°F in Pittsburgh, Pennsylvania in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 3.2 inches of rainfall in the month.

75
75°F max day temperature
6
6 hours of sunshine per day
10
10 days with some rainfall
54
54°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
3.2
3.2 inches of monthly rainfall
6
6 (High) UV index

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The September weather guide for Pennsylvania (Pittsburgh) 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.

Metric (°C) | Imperial (°F)

More about the USA

How hot is it in Pittsburgh in September?

Daytime temperatures usually reach 77°F in Pittsburgh in September with no heat and humidity, falling to 57°F at night.

How sunny is it in Pittsburgh in September?

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

Does it rain in Pittsburgh in September?

There are usually 8 days with some rain in Pittsburgh in September and the average monthly rainfall is 3.6 inches.

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 September sunrise & sunset times

Browse the sunrise and sunset times for Pittsburgh in September 2026. Select a month to view Pittsburgh sunrise and sunset times for the next 12 months.

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

Date	Sunrise times	Sunset times
Tuesday, 1st September 2026	05:47	18:52
Tuesday, 15th September 2026	06:01	18:29
Wednesday, 30th September 2026	06:15	18:04

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Pennsylvania - quick facts
Flight time^✝	8 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Culture
Tourist info	Pennsylvania Department of Community & Economic Development