Biscuit Day, Art Night Out and Outlaw Bingo!
The middle of September may mark summer’s end, but Northern Colorado fall fun is just getting started. From Broomfield Days and Erie Biscuit Day to Longmont Oktoberfest and Northglenn Pirate Fest, the season is packed with parades, festivals, and outdoor concerts. Add in art walks, birding, and family storytimes, and you’ve got the perfect way to welcome fall in Colorado’s golden season.
TODAY/TONIGHT, Thursday, September 11
LAFAYETTE COSTUME EXCHANGE COLLECTION
Why buy when you can boo-cycle? From September 1–29, drop off gently used costumes at the Lafayette Library, Bob Burger Recreation Center, or Erie Community Center and give spooky season a sustainable twist. All costumes collected will be available at Lafayette Mini-Con on Saturday, October 4, where you can pick out a new-to-you look for free. Help reduce waste, save money, and keep the Halloween spirit alive in your community!
BROOMFIELD COSTUME SWAP COLLECTION
Clear out your closet and give Halloween a sustainable spin! From September 2–26, drop off gently used costumes for all ages at inventHQ or the Broomfield Library Reference Desk. Then, on Saturday, September 27, head to the Broadlands Room at inventHQ to browse the racks and swap for something “new-to-you.” It’s a free, fun way to save money, reduce waste, and refresh your spooky season style.
PALISADE PARK FESTIVAL & FARMERS MARKET
The very last market of the year! Join the community for an evening of local farmers, crafters, artists, gourmet food vendors, and live music. Enjoy delicious bites from food trucks, family-friendly activities, and a festive atmosphere to close out the season. Don’t miss this final Thursday night celebration of summer at Palisade Park.
TOMORROW, Friday, September 12
LAFAYETTE’S ART NIGHT OUT
Lafayette’s signature summer block party is back — and it’s one of the most joyful, come-as-you-are events in Colorado. Art Night Out is free, funky, and family-friendly, with multicultural performances, face painting, street performers, tacos, beer, balloon animals, and plenty of treats. Come celebrate the season with community, creativity, and fun in the heart of Old Town.
TINY DECK CONCERT SERIES: LOPEZ & SADLER DUO
Enjoy an intimate evening of soulful live music with the Antonio Lopez & Jonathan Sadler Duo, part of the 2025 Tiny Deck Concert Series at Longmont Public Media. Concerts on the Tiny Deck bring audiences together for outdoor performances in the heart of Longmont — the perfect setting to catch the sunset, share a picnic, and connect with community through song. Chairs will be available, but bringing your own is recommended. Free and open to all!
OUTLAW BINGO–DUO NIGHT THEME
This isn’t your grandma’s bingo (though she’s welcome if she’s fun)! Outlaw Bingo combines bingo, music, prizes, food, and entertainment with themed nights hosted by DJ Rockstar Aaron. On Friday, September 12, the theme is 90s Night — so dress accordingly and get ready for a lively evening. Free to play, all ages welcome, and a gift card prize for every game!
BROOMFIELD FAMILY SUNSET WALKS
See Broomfield’s open spaces in a whole new light! Join a naturalist for a guided evening walk at sunset and experience the beauty of nature as the day winds down. Perfect for families and all ages — everyone is welcome to enjoy this free program.
Saturday, September 13
FALL BIRDING FESTIVAL AT BARR LAKE STATE PARK
Calling all nature lovers! The Fall Birding Festival at Barr Lake is a must for birders, families, and anyone who enjoys the outdoors. See birds up close at the bird banding station, join a mindful bird walk, explore educational booths, and enjoy family-friendly games and activities. A coffee cart and food truck will also be on-site to keep you fueled for the fun.
Barr Lake State Park, 13401 Picadilly Rd, Brighton
7:00 a.m.–2:00 p.m.
Tickets: Free (State Park entry fee $10 without a parks pass)
SHAKESPEARE IN THE PARKING LOT
Enjoy Shakespeare with a twist! The Denver Center for the Performing Arts brings A Midsummer Night’s Dream to life in a 45-minute abridged performance staged in and around a pick-up truck “set.” Bring lawn chairs, settle in at Erie Community Park, and experience the magic of the Bard in this free, family-friendly outdoor event.
ARTWALK ON MAIN
ArtWalk on Main transforms downtown Longmont into a vibrant celebration of arts, culture, and community! Explore an art market with local artists, enjoy live music and performances across six stages, discover interactive activities, and indulge in delicious eats from 10 food trucks. Families will love face painting, balloon art, and Maker Village demos, while youth photographers can capture the festival for a future exhibit. Don’t miss chalk artists turning Main Street into a colorful canvas, Centennial State Ballet’s Degas Dancers, and extended gallery hours at the Firehouse Art Center.
Sunday, September 14
SUNDAY SHOWS ON W. PEARL
Ease into your Sunday with a family-friendly, arts-rich morning stroll on West Pearl. Stop by the sun-dappled New Local Annex for a 15-minute all-ages performance, then wander a few doors down to sip coffee while the kids make art on the New Local’s lawn. Presented by The New Local and the Boulder Ensemble Theatre Company, this series runs every Sunday through September 28.
ADAMS COUNTY FESTIVAL LATINO
Celebrate the rich culture and vibrancy of Latino heritage at this free, family-friendly festival! Enjoy live music, art, delicious food, and world-class visual artists creating large-scale sculptural installations, interactive murals, and spaces for reflection. It’s a joyful day of community and culture you won’t want to miss.
Monday, September 15
DENVER MUSEUM OF NATURE & SCIENCE FREE DAY
Satisfy your science curiosity at the Denver Museum of Nature & Science! As part of SCFD Free Days, admission is free all day — no tickets required. Explore the museum’s exhibits and spark wonder for the whole family without spending a dime.
Tuesday, September 16
LOUISVILLE READ TO ROVER
Reading to a therapy dog is a fun and supportive way for kids to build reading fluency and confidence. Recommended for grades K and up, this drop-in program requires no registration — just bring your favorite book and spend some time reading to a friendly pup.
Thursday, September 18
ART & SIP: LONGS PEAK LANDSCAPE
Grab a drink and get creative at this guided painting class, perfect for beginners and experienced artists alike. Celebrate Longs Peak — one of Colorado’s most iconic mountains — by painting a bold, simplified acrylic landscape inspired by artist Maynard Dixon. Beer, wine, fizzy water, and snacks will be available for purchase. Taught by Ann Macca, this event is part of the Thursday Nights @ the Museum series.
Saturday, September 20
5K RUN/WALK FOR KAWASAKI DISEASE AWARENESS
Join the community for a scenic 5K along the lakeside trail at Barefoot Lakes, featuring live music, local vendors, kids’ activities, and more. This family-friendly event supports the Kawasaki Kids Foundation, a nonprofit dedicated to raising awareness, advancing research, and helping families affected by Kawasaki Disease — a rare but serious illness that primarily impacts young children. Strollers are welcome; please leave pets at home.
Peninsula Park, Barefoot Lakes–4783 Lakeside Dr., Firestone
7:30 a.m.–11:30 a.m.
Tickets: $30 adults · $15 kids (9 & under)
ERIE BISCUIT DAY
Celebrate Erie’s history with a hearty helping of fun! Enjoy biscuits and gravy, homemade stew, live music, craft booths, historic photo displays, and the always-popular Steps for Sweets. Hosted by the Erie Historical Society, this community tradition blends small-town charm with delicious food and lively entertainment.
BROOMFIELD DAYS PARADE
A beloved community tradition, the Broomfield Days Parade steps off at 9:30 a.m. from Main and Midway Boulevard and makes its way to Midway Park by 10 a.m. Floats, community groups, and local nonprofits bring the streets alive with creativity and spirit — so decorate, cheer, and be part of the fun!
BROOMFIELD DAYS
Broomfield’s biggest event of the year is here! The celebration kicks off with a community pancake breakfast, the Mayor’s Cup 5K and Fun Run, and the beloved Broomfield Days Parade. From there, enjoy over 300 vendor booths, food trucks, a classic car show, children’s clown contest, DockDogs competition, duck race, inflatables, farm animals, and live entertainment across three stages. It’s a full day of fun, food, and community spirit you won’t want to miss.
LONGMONT OKTOBERFEST
Raise a stein and celebrate fall at Longmont Oktoberfest! Enjoy a full day of live music, local beer and pretzels, delicious bites, and an artisan market perfect for seasonal shopping. Headlining the fun is Keller Williams’ Grateful Grass, bringing good vibes and great tunes. Dogs are welcome, and proceeds benefit Longmont Humane Society, Annie & Millie’s Place, and Greenwood Wildlife Rehabilitation Center — so you can party with a purpose.
NORTHGLENN PIRATE FEST
Ahoy, mateys! The Northglenn Pirate Festival is back with a full day of swashbuckling fun for kids, families, and adventurers of all ages. Enjoy food vendors, pirate-themed drinks (rum, mead, and beer), crafts, bounce houses, historical demos, mermaid meet-and-greets, and lively character appearances. Free to enter, this high-seas celebration is packed with entertainment, vendors, and plenty of treasure-worthy memories.
E.B. Rains Jr. Memorial Park, 11800 Community Center Dr., Northglenn
12:00 p.m.–10:00 p.m.
Tickets: Free | Vendors On-Site
6TH ANNUAL ERIE ART SHOW RECEPTION
Celebrate local creativity at Erie’s 6th Annual Art Show Reception! All community members are invited to enjoy an evening of art, connection, and light refreshments at the Erie Community Library.
Sunday, September 21
MUSIC AND EMOTION: THE BOULDER PHILHARMONIC
Experience the joy of live music in this family-friendly afternoon with the Boulder Philharmonic. Learn about the string instrument family, explore rotating art and music activity stations, and enjoy a final concert to close the day. Perfect for children of all ages with their caregivers.
Erie Community Center, 450 Powers St., Erie
12:30 p.m.–3:00 p.m.
Tickets: Free | Registration Required
Wednesday, September 24
AMERICANA | REDEFINED WITH THE BOULDER PHILHARMONIC
Crowd favorite Americana: Redefined returns with another season of foot-stomping, heart-stirring music. Performed by the Boulder Phil String Quartet, this joyful program blends blues, gospel, jazz, bluegrass, and global traditions into a rich journey through the many voices of Americana.
Planet Bluegrass, 500 W. Main St., Lyons
7:00 p.m.–8:45 p.m.
Tickets: $25 GA · $10 Students & Veterans · Kids 12 & under Free
Best in NoCo!
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