September 2026 in Boulder, Colorado brings 253 live events across the city, led by music (64), community (58), art (41). 55 events are explicitly listed as free. Here's what's on.
Music (64)Community (58)Art (41)Workshop (35)Sports (34)Free (55)
All September 2026 Events
Frequently Asked Questions
What's happening in Boulder in September 2026?
There are 253 events in Boulder, Colorado in September 2026, including Boulder Nova Connect + Elevate: Owning Your Power at Zeal (5:00 PM), Boulder: Girl Scout Interest Meeting at Boulder Public Library District - Main Library (4:30 PM), Tuesday Evening Soccer at CU Kittredge Turf Fields (6:00 PM), Elizabeth Margulis -- "Transported," with Grace Leslie at Boulder Bookstore (6:30 PM). Browse the full September 2026 calendar on VenuNite.
Are there free things to do in Boulder in September 2026?
Yes — 55 September 2026 events are explicitly listed as free in Boulder. Confirm current entry details on the event page or organizer source.
How do I find events in Boulder for a specific date in September 2026?
VenuNite lists every upcoming event in Boulder, Colorado with date filters. Use the date picker on this page to narrow September 2026 down to a single day or weekend.