School might be back in session for kids here in Northern Colorado, but that doesn't mean that the fun has to stop!

There are so many awesome events going on in the Centennial State this September that it's hard to keep track of 'em all!

This is why we put together a MASSIVE list of events going on all across Northern Colorado that you'll want to check out!

September 2025 Events in Northern Colorado –  Concerts, Football & Family Fun

Fort Collins, Colorado Events – September 2025

September 3 – National Wildlife Celebration Day
Location: Old Town Square

"This free, family-friendly event is perfect for kids and curious minds of all ages who want to learn more about our local ecosystems and how we can help protect them."

September 3 – Bit Brigade Performs "Mega Man X" LIVE with Debr4h

Location: Aggie Theater

September 4 – Author Panel with Tory Steel, Melissa George, and Cassondra Windwalker

Location: Old Firehouse Books

September 5 – First Friday Art Walk
Location: Downtown Fort Collins

September 6 – CSU Rams vs. Northern Colorado Bears (Ag Day)
Location: Canvas Stadium, CSU

September 7 – Foco Handmade Market
Location: Old Town Square

September 10 – The Fort's Funniest - Round 1
Location: The Comedy Fort

September 14 – Let's Beat Breast Cancer Rally
Location: Old Town Square

September 17 –Virtuoso Series Concert: Duo Oenomel-Con Amore

Location: University Center for the Arts

September 19 – Fort Collins Foodie Walk
Location: Participating businesses in Downtown Fort Collins

September 20 – CSU Rams vs. UTSA
Location: Canvas Stadium

September 21 – Northern Colorado Record Show
Location: Breckenridge Brewery

September 27 – CSU Rams vs. Washington State
Location: Canvas Stadium

September 27–28 – Northern Colorado Mountain Bike Fest
Location: Lory State Park

Read More: Family-Friendly Pumpkin Patches and Apple Orchards Around Northern Colorado

Windsor, Colorado Events – September 2025

September 1 – Windsor Harvest Festival Parade
Location: Downtown Windsor

September 5 – UPLIFT Art Show Opening
Location: Windsor Art & Heritage Center

September 13 – Windsor Farmers Market
Location: Boardwalk Community Park

September 19 – Yappy Hour
Location: Historic Halfway Homestead

September 20 – Windsor Farmers Market
Location: Boardwalk Community Park

Loveland, Colorado Events – September 2025

September 2, 9, 16, 23, 30 – Loveland West Farmers Market
Location:  2665 W Eisenhower Blvd.

September 5–7 – Goodguys Colorado Nationals
Location: The Ranch Events Complex

September 7 – Honey Festival
Location: Fairgrounds Park

September 12–14 – Wild Wonderful Weekend

September 13 – Loveland Chocolate & Cheese Festival
Location: The Ranch Events Complex

September 20 – Fantasy Festival
Location: The Forge

September 20 – Downtown Loveland Oktoberfest
Location: Loveland Aleworks

September 20 – Barbarian Night: Fall Equinox Celebration
Location: Meadkrieger Meadery

September 26–27 – Stamp & Scrapbook Expo
Location: Ranch Events Complex

September 28 – High Plains Honor Flight Send-Off
Location: McKee 4-H Building

September 28 – Boyd Lake Last Call Triathlon
Location: Boyd Lake State Park

Read More: The Ultimate Guide to Karaoke in Northern Colorado

Greeley, Colorado Events – September 2025

September 4 – Evergreen Colorado Kennel Club Dog Show
Location: Island Grove Regional Park

September 6 – 3rd Annual Fiesta in the Plaza/ Fiesta en la Plaza
Location: Centennial Village Museum

September 13 – HWWC 5K Run/Walk
Location: Bittersweet Park

September 14 –Tracy Lawrence Concert
Location: Union Colony Civic Center

September 20 – Fall Family Festival
Location: NoCo Credit Union Campus

September 25 – 2025 World Long Drive World Championship
Location: Bigfoot Turf Farm

September 26–27 – Downtown Greeley Oktobrewfest
Location: Lincoln Park

September 27 – UNC Bears vs. Idaho State (Homecoming Game)
Location: Nottingham Field

Read More: Explore Colorado Without Spending a Dime

Timnath, Colorado Events – September 2025

September 12 – Hops for Hunger
Location: Timnath Beerwerks

September 13 – Timnath Fall Festival
Location: Timnath Community Park

Estes Park, Colorado Events – September 2025

September 1 – Labor Day Arts & Crafts Show
Location: Bond Park

September 5 – First Friday Art Groove
Location: Downtown Estes Park

Setpember 6 – Longs Peak Scottish-Irish Highland Festival
Location: Estes Park Fairgrounds

September 27 – Elk Fest & Rut Run 5K
Location: Bond Park

Read More: [WATCH] An Elk Goes On A Shopping Spree In Estes Park

Longmont, Colorado Events – September 2025

September 5 – First Friday Makers' Market
Location: 110 Emery Street

September 6 – Niwot Honey Bee Harvest Festival
Location: 195 2nd Ave.

September 7 – TasteAbout Downtown
Location: Main Street

September 13 – ArtWalk on Main
Location: Firehouse Art Center

September 17 – Bricks and Brews Garden Market
Location: Left Hand Brewing Company

September 20 – Longmont Oktoberfest
Location: Thompson Park

September 21 – Downtown Makers Crawl
Location: Juniper Goods

September 25 – Downtown Longmont Wine Walk
Location: Downtown Longmont

Lyons, Colorado Events – September 2025

September 6 – Artisan Market
Location: Bohn Park

Denver, Colorado Events – September 2025

September 1 – Colorado Rockies First Responder Appreciation
Location: Coors Field

September 3-6 – Denver Food + Wine Festival
Location: Tivoli Quad at Auraria Campus

September 3 – My Favorite Murder Live
Location: Paramount Theatre

September 5 – First Friday Art Walk 
Location: 40 West Arts

September 6 – City Park Farmers Market
Location: City Park 

September 7 – Denver Broncos vs. Tennessee Titans
Location: Empower Field at Mile High

September 13 – Colorado Craft Walk
Location: Dairy Block

September 14 – Colorado's Taste of Ethiopia Festival 
Location: City Park

September 19 – Colorado Rockies vs. Los Angeles Angles (Fireworks)
Location: Coors Field

September 25-27 – Kelsey Cook
Location: Comedy Works Downtown in Larimer Square

September 26-28 – Taylor Tomlinson
Location: Paramount Theatre

September 26-28 – Colorado Tattoo Convention & Expo 2025
Location: National Western Conference

September 29 – Rocky Horror Picture 50th Anniversary with Barry Bostwick
Location: Paramount Theatre

Read More: 13 Best Flea Markets in Colorado You Need to Visit in 2025

Ball Arena Shows – September 2025

• Sept 3 – Linkin Park

• Sept 7 – The Offspring

• Sept 12–13 – Nate Bargatze

• Sept 15 – Deftones

• Sept 16 – Ice Cube

• Sept 20 – Tate McRae 

• Sept 21  – Colorado Avalanche vs. Utah Mammoth

• Sept 22  – Benson Boone

• Sept 25 – Kali Uchis

• Sept 27 – Colorado Avalanche vs. Dallas Stars

• Sept 30 –  Colorado Avalanche vs. Vegas Golden Knights

Red Rocks Amphitheatre Shows – September 2025

• Sept 3 –  Billy Idol

• Sept 4 –  Jon Batiste

• Sept 5–7 – Brandi Carlile (3 nights)

• Sept 8 – Rainbow Kitten Surprise

• Sept 9 –  Ken Carson

• Sept 13 – Greensky Bluegrass

• Sept 14-15 – The Red Clay Strays

• Sept 23  – Renee Rapp

• Sept 24 – Jordan Davis

• Sept 25 – Bonnie Raitt

• Sept 28-29 – Zach Topp

• Sept 30 – Megan Moroney

Stay up to date with everything going on in Northern Colorado and beyond by downloading the free station app from your app store.

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