September 2026 in Longmont, Colorado brings 141 live events across the city, led by community (52), music (39), food & drink (14). 7 events are explicitly listed as free. Here's what's on.
Community (52)Music (39)Food & Drink (14)Festival (10)Sports (9)Free (7)
All September 2026 Events
Frequently Asked Questions
What's happening in Longmont in September 2026?
There are 141 events in Longmont, Colorado in September 2026, including CLASS | NEXT STOP COMEDY at St. Vrain Cidery, Open Mic Night at Grossen Bart Brewery, Community Games & Bingo at Parkway Food Hall, Tuesday Night Live Music with Drew Moore at Oskar Blues Fooderies Longmont. Browse the full September 2026 calendar on VenuNite.
Are there free things to do in Longmont in September 2026?
Yes — 7 September 2026 events are explicitly listed as free in Longmont. Confirm current entry details on the event page or organizer source.
How do I find events in Longmont for a specific date in September 2026?
VenuNite lists every upcoming event in Longmont, Colorado with date filters. Use the date picker on this page to narrow September 2026 down to a single day or weekend.