Typical Weather

Weather in Pittsburgh in September

How warm is it in Pittsburgh in September?

In September the typical daytime high in Pittsburgh is 24.7 °C on average, from 27.0 °C at the start to 21.9 °C at the end of the month.

That is 3.0 °C cooler than in August and 5.9 °C warmer than in October.

The last 10 years were 1.6 °C warmer than more than 40 years ago.

Click a day for more: afternoon and night, the usual range, records and how fast it is warming.

The average of the weather stations Morgantown Muni Ap (88 km), Oakland (125 km) and Carlisle Wtp (239 km); nearer ones count more.