This event is in the past.It took place on September 13, 2026 at North Last Chance Gulch.
Themed NightThemed NightSixth Annual Helena SeptemberFest
September 11 at 4pm - September 13
At North Last Chance Gulch
Helena
🍩Register for the 1K for United Way Donut Run
🎈Look for the giant galactic-themed balloon sculptures
🏁Watch the gravity-powered derby car races
Helena SeptemberFest turns Last Chance Gulch into a free, family-friendly weekend of soap‑box derby, car calcutta, gravity‑powered races, live music and giant galactic balloon art, with all proceeds supporting the United Way of the Lewis & Clark Area.
Family-friendly festival
Gravity-powered derby races
Charity benefit event
Live music performances
Themed NightThemed NightSixth Annual Helena SeptemberFest
September 11 at 4pm - September 13
At North Last Chance Gulch
Helena
🍩Register for the 1K for United Way Donut Run
🎈Look for the giant galactic-themed balloon sculptures
🏁Watch the gravity-powered derby car races
Helena SeptemberFest turns Last Chance Gulch into a free, family-friendly weekend of soap‑box derby, car calcutta, gravity‑powered races, live music and giant galactic balloon art, with all proceeds supporting the United Way of the Lewis & Clark Area.
Family-friendly festival
Gravity-powered derby races
Charity benefit event
Live music performances