Location: Miller Farms, County Road 19, Platteville, CO 80651, United States See map: Google Maps Miller Farms Annual Fall Harvest FestivalDates: 09/07/202609/08/202609/09/2026Show more datesHide these dates09/10/202609/11/202609/12/202609/13/202609/14/202609/15/202609/16/202609/17/202609/18/202609/19/202609/20/202609/21/202609/22/202609/23/202609/24/202609/25/202609/26/202609/27/202609/28/202609/29/202609/30/202610/01/202610/02/202610/03/202610/04/202610/05/202610/06/202610/07/202610/08/202610/09/202610/10/202610/11/202610/12/202610/13/202610/14/202610/15/202610/16/202610/17/202610/18/202610/19/202610/20/202610/21/202610/22/202610/23/202610/24/202610/25/202610/26/202610/27/202610/28/202610/29/202610/30/202610/31/202611/01/202611/02/202611/03/202611/04/202611/05/202611/06/202611/07/2026Time: See website Location: Estes Park, CO, USA See map: Google Maps Longs Peak Scottish Irish Highland Festival 2026Dates: 09/11/202609/12/202609/13/2026Time: See website Location: 3737 West 32nd Avenue, Denver, CO, USA See map: Google Maps Denver Highlands Oktoberfest & MarketDates: 09/12/2026Time: 10 am - 6 pm Location: Denver Art Museum, 100 W 14th Ave Pkwy, Denver, CO 80204, United States See map: Google Maps 37th Annual Friendship Powwow and Free Day at the Denver Art MuseumDates: 09/12/2026Time: 10am - 5pm Location: Chaffee Park, Denver, CO, USA See map: Google Maps Sunnyside Music Festival 2026Dates: 09/12/2026Time: See website Location: Far East Center, South Federal Boulevard, Denver, CO, USA See map: Google Maps Far East Center Mid-Autumn Festival 2026Dates: 09/19/2026Time: 2 pm - 10 pm Location: Midway Park, West Midway Boulevard, Broomfield, CO, USA See map: Google Maps Broomfield Days 2026Dates: 09/19/2026Time: see schedule Location: E.B. Rains Jr. Memorial Park, Community Center Drive, Northglenn, CO, USA See map: Google Maps Pirate Fest 2026Dates: 09/20/2026Time: 12 pm - 10 pm Location: Orchard Valley Farms & Market and Black Bridge Winery, 15836 Black Bridge Rd, Paonia, CO 81428, United States See map: Google Maps Mountain Harvest Festival 2026Dates: 09/26/202609/27/2026Time: See website Location: Bond Park, Macgregor Avenue, Estes Park, CO, USA See map: Google Maps Autumn Gold Festival 2026Dates: 09/26/202609/27/2026Time: SATURDAY 11 AM - 6 PM & SUNDAY 11 AM - 5 PM Location: Various Locations in Historic Park Hill, CO. Historic Park HillDenver, CO, 80207United StatesSee map: Google MapsPhone:303-300-3332 47th Annual Park Hill Home Tour & Street FairDates: 09/27/2026Time: 11am - 5pm Location: Rocky Mountain Pumpkin Ranch, Ute Highway, Longmont, CO, USA See map: Google Maps Rocky Mountain Pumpkin Ranch Fall Festival | WeekendsDates: 10/01/202610/02/202610/03/2026Show more datesHide these dates10/04/202610/05/202610/06/202610/07/202610/08/202610/09/202610/10/202610/11/202610/12/202610/13/202610/14/202610/15/202610/16/202610/17/202610/18/202610/19/202610/20/202610/21/202610/22/202610/23/202610/24/202610/25/202610/26/202610/27/202610/28/202610/29/202610/30/202610/31/202611/01/2026Time: See website Location: 9500 Civic Center Drive, Thornton, CO 80229, United States See map: Google Maps Thornton Harvest Fest 2026Dates: 10/03/2026Time: 10 am - 5 pm Location: Rock Ledge Ranch Historic Site, 3105 Gateway Rd, Colorado Springs, CO 80904, United States See map: Google Maps Harvest Festival 2026 at Rock Ledge RanchDates: 10/03/2026Time: 10 am - 4 pm Location: Festival Park, 2nd Street, Castle Rock, CO, USA See map: Google Maps Castle Rock Fall Festival featuring Creepy Crawlies Around The RockDates: 10/18/2026Time: 10am - 3pm Location: 3131 Osceola St, Denver, CO 80212, USA See map: Google Maps Denver American Indian Festival 2026Dates: 10/24/2026Time: See website
