ClimateAverages

Pittsburgh Weather in September

JanFebMarAprMayJunJulAugSepOctNovDec
Right now
22°C
Sunny · feels like 17°C
Humidity
85%
Wind
4 kph SSE
UV
0.2
Rain
0%
Updated Jul 9, 07:45 AMWeather data by WeatherAPI.com
September daytime high
24.8°C
September overnight low
11.8°C
September average
18.3°C

In September, Pittsburgh typically sees daytime highs of 24.8°C and overnight lows around 11.8°C. Compared to the annual average high of 16.5°C, September runs +8.3°C.

vs. annual avg high
+8.3°C
Rank among 12 months
#4 warmest
Hottest year overall
2011

Where September ranks in Pittsburgh

JanFebMarAprMayJunJulAugSep25°OctNovDec

FAQ

What is the average temperature in Pittsburgh in September?

September in Pittsburgh averages a daytime high of 24.8°C and an overnight low of 11.8°C.

Is September warm or cold in Pittsburgh?

September runs +8.3°C compared to Pittsburgh's annual average high of 16.5°C, ranking #4 of 12 months by warmth.

What should I pack for Pittsburgh in September?

Plan for daytime highs near 24.8°C and cooler evenings around 11.8°C.

Other months for Pittsburgh

JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberNovemberDecember

September in nearby cities

PhiladelphiaAllentownErieReadingScrantonBethlehemLancasterLevittown