Month guide · Pittsburgh · United States
Pittsburgh in September
What September is really like in Pittsburgh: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Popscreenshot, CC BY-SA 4.0
Quick answer
September is one of the best months to visit Pittsburgh. Expect average highs of 24°C (75°F), lows of 13°C (55°F), about 10 rainy days and roughly 12.4 hours of daylight. Warm, settled weather and the start of football season; Steelers home weekends fill hotels.
Key facts
- Average high / low
- 24°C (75°F) / 13°C (55°F)
- Rainy days
- About 10
- Daylight
- About 12.4 hours
- Crowds
- Busy
- Hotel prices
- High
Weather in September
September is the 4th-warmest month in Pittsburgh: days average 24°C (75°F) against a yearly average high of 16°C (61°F), and nights fall to about 13°C (55°F). Rain falls on roughly 10 of its 30 days. Compared with August (28°C (82°F)), September is cooler; by October highs drop to around 18°C (64°F).
- Sunrise (15 September)
- About 07:00
- Sunset (15 September)
- About 19:29
- Daylight
- About 12.4 hours
Autumn (September–November). Crisp, colourful September and October and the heart of Steelers season; grey and chilly by November.
Crowds and prices
On a 1–5 scale, September rates 4 for crowds (the peak is June at 4) and 4 for hotel prices (highest in June). Book accommodation early: September is one of the pricier months.
Events in September
- Steelers home games at Acrisure Stadium (September to January)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Museum · Strip District
Senator John Heinz History Center
Families should head straight for the Mister Rogers' Neighborhood display, including King Friday XIII's castle.
- Time needed
- 2–3 hours
- Cost
- Mid-priced
- History
- Kids
- Rainy day

Museum · North Shore
Carnegie Science Center
On the Ohio River next to Acrisure Stadium, this hands-on science museum has a planetarium, a robotics hall, a big miniature railroad and village, and the USS Requin, a Second World War submarine moored outside that you can walk through.
- Time needed
- 3–4 hours
- Cost
- Mid-priced
- Kids
- Rainy day
- History

Gallery · Central Northside
Mattress Factory
Visit the separate row-house galleries on Sampsonia Way as well as the main building; many visitors miss them.
- Time needed
- 1.5–2 hours
- Cost
- Mid-priced
- Art
- Rainy day
- Off the beaten path

Zoo · North Side
National Aviary
In Allegheny Commons Park, the National Aviary houses hundreds of birds, many in free-flight rooms where you walk among them, including a tropical rainforest, a wetlands room and an outdoor area for Andean condors.
- Time needed
- 2 hours
- Cost
- Mid-priced
- Kids
- Nature
- Rainy day
What to pack
For highs near 24°C, lows near 13°C and 10 wet days: light layers for the day and a light jacket for the evening; a packable rain jacket for showers; comfortable walking shoes.
Is September a good time to visit Pittsburgh?
One of the best months to visit Pittsburgh, with a notable event on the calendar. The other best months are May–June and October. Compare every month.
Pittsburgh in other months
Questions travellers ask
+Is September a good time to visit Pittsburgh?
It is one of the best months to visit Pittsburgh. Warm, settled weather and the start of football season; Steelers home weekends fill hotels.
+How warm is Pittsburgh in September?
Average highs are around 24°C (75°F) and lows around 13°C (55°F).
+Does it rain a lot in Pittsburgh in September?
Expect rain on about 10 days of the month.