September 17–20, 2026 | Berwyn, Western Suburbs & Chicago Fall festival season is officially in full swing. The third weekend of September brings one of the strongest lineups of the season, with Berwyn Fall Fest right here at home, Oktoberfests from Downers Grove to Fulton Market, a full-day Harvest Fest in Western Springs, German-style fun at Brookfield Zoo, three days of music in Norwood Park and one of Chicago's biggest free performing-arts celebrations at Navy Pier. Oktob