Boulder Events in September

Events in September in Boulder

Here’s your guide to all the happening concerts, festivals and events in September 2025 in Boulder. Catch the best of everything that your city has to offer here. Right from the flea market events to all the festivals; the September 2025 events in Boulder is all curated and sorted for you. Get going, buy your tickets and register to all the fun and exciting events already!

Events in September in Boulder

Events in September in Boulder

Sat, 26 Sep, 2026 - 10:00 AM

Voices of Care 2025

Main Library - Boulder Public Library District

Free
Thu, 24 Sep, 2026 - 07:00 PM

Healing Cloud of Sound Meditation Concert with Maria Pertile

Atma Buti Sound & Vibrational School

USD 19
Fri, 11 Sep, 2026 - 05:00 PM

Colorado Buffaloes vs. Weber State Wildcats

Folsom Field
Tue, 15 Sep, 2026 - 06:30 PM

“Harvest of the Soul: Wisdom, Release & Sacred Letting Go”

The StarHouse

USD 33
Thu, 03 Sep, 2026 - 11:59 PM

Houston Cougars at Colorado Buffaloes Football at Folsom Field Stadium

Folsom Field Stadium
Tue, 01 Sep, 2026 - 11:59 PM

Utah Utes at Colorado Buffaloes Football at Folsom Field Stadium

Folsom Field Stadium
Wed, 09 Sep, 2026 - 09:00 AM

MindWell™ Practitioner Certification Program | September 9 - 11, 2026

Boulder, CO

USD 3.1k
Wed, 02 Sep, 2026 - 11:59 PM

Texas Tech Red Raiders at Colorado Buffaloes Football at Folsom Field Stadium

Folsom Field Stadium
Sat, 05 Sep, 2026 - 11:59 PM

UCF Knights at Colorado Buffaloes Football at Folsom Field Stadium

Folsom Field Stadium
Wed, 02 Sep, 2026 - 07:00 PM

Sports Night

The Church of Jesus Christ of Latter-day Saints
Sun, 06 Sep, 2026 - 02:00 PM

YSA Linger Longer

The Church of Jesus Christ of Latter-day Saints
Fri, 04 Sep, 2026 - 11:59 PM

Kansas State Wildcats at Colorado Buffaloes Football at Folsom Field Stadium

Folsom Field Stadium

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Upcoming Events in September in Boulder

Date	Event	Venue
02 Sep 2026	Sports Night	The Church of Jesus Christ of Latter-day Saints, Boulder
06 Sep 2026	YSA Linger Longer	The Church of Jesus Christ of Latter-day Saints, Boulder

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