Loving Longmont Colorado

Events in Longmont

Discover what's happening around town.

September & October 2026

Fall in Longmont

Art, food, music, culture, community celebrations and fall traditions fill the next two months in Longmont. Here are some events worth adding to your calendar.

📌 Please check the official event website before you go.

Loving Longmont researches event information from official organizers and community sources, but schedules, ticket prices, parking information, weather plans and availability can change. Each event below includes a link to its official website so you can confirm the latest information directly with the organizer.

Event information researched September 11, 2026
September Events ↓ October Events ↓
September 2026

September in Longmont

Art, creativity and Oktoberfest help welcome fall to Longmont.

ArtWalk on Main 2026 promotional image
Art • Music • Community

ArtWalk on Main

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Date: Saturday, September 12, 2026
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Time: 4:00 PM – 8:00 PM
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Location: Main Street between 3rd Avenue and Longs Peak Avenue
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Cost: Check official event page

Downtown Main Street closes to traffic for an evening celebrating art, culture and community. Enjoy an art market, live music on multiple stages, performers, food trucks and family-friendly activities. ArtWalk is presented by Firehouse Art Center.

Before you go: Check the official Downtown Longmont page for current schedules, performers, parking information and event updates.
Official Event Website →
Art and creativity in Downtown Longmont
Arts • Culture • Downtown

Longmont Arts Week

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Dates: September 12–19, 2026
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Time: Events throughout the week
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Location: Longmont Creative District and participating locations
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Cost: FREE

A week-long showcase celebrating Longmont's creative community. Featured events include ArtWalk on Main, TasteAbout Downtown, Downtown Ink!, Wanderlust Art Fair and dozens of arts, music and creative events happening throughout the district.

Before you go: Individual activities within Arts Week may have their own schedules, registrations or costs. Check the official calendar for details.
Official Arts Week Calendar →
Left Hand Oktoberfest 2026 promotional poster
Festival • Food • Family

Left Hand Oktoberfest

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Date: Saturday, September 26, 2026
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Time: 11:00 AM – 9:00 PM
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Location: The Garden at Left Hand Brewing
1245 Boston Ave., Longmont
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Tickets: $5
Kids 12 & under FREE

Left Hand's traditional all-day Oktoberfest features live music, stein holding, brat-eating competitions, a costume contest, children's activities, bounce houses and slides, a 30+ vendor craft market and local food trucks.

Also note: Left Hand currently lists $5 parking in the dirt lot across from the brewery. Check the official site for ticket availability and policies.
Official Event Website →
October 2026

October in Longmont

Food, culture, art and some of Longmont's favorite fall traditions fill October.

Longmont Restaurant Week logo
Food • Restaurants • Local Business

Longmont Restaurant Week

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Dates: October 2–11, 2026
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Time: Restaurant hours vary
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Location: Participating restaurants throughout Longmont
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Cost: Varies by restaurant and menu

Let your appetite lead the way during Longmont Restaurant Week. Participating local restaurants offer special limited-time menus and dining experiences, giving residents a reason to try somewhere new or revisit a favorite.

Menus are still being announced. The official Restaurant Week site currently says menus are coming soon. Check back before the event for participating restaurants, menus, prices and reservation information.
Official Restaurant Week Website →
Longmont Museum exhibition associated with its expanded 2026 reopening
Museum • Art • Family

Longmont Museum Grand Reopening

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Date: Saturday, October 17, 2026
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Time: 9:00 AM – 5:00 PM
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Location: Longmont Museum
400 Quail Rd., Longmont
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Cost: FREE

Celebrate a new chapter for the Longmont Museum as the expanded museum reopens. The day begins with a 9:00 AM ribbon cutting and includes new galleries, special programs, tours and the new DreamLab children's experience.

Before you go: Visit the City of Longmont's official event page for the latest program schedule and reopening information.
Official City Event Page →
Longmont Day of the Dead Gigantes
Culture • Family • Festival

Day of the Dead Family Celebration

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Date: Saturday, October 24, 2026
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Time: 11:00 AM – 3:00 PM
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Location: Downtown Longmont
4th Avenue & Kimbark Street
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Cost: FREE

Longmont celebrates the 26th anniversary of Colorado's longest-running public Day of the Dead celebration. The outdoor street festival includes traditional live music and dance, face painting, sugar skull decorating, crafts, food trucks, a children's play zone, vendors and the Gigantes Procession.

Before you go: Check the official Longmont Museum and Day of the Dead information for current schedules and updates.
Official Event Information →
Longmont Day of the Dead celebration
Performance • Culture • Music

Noche de Museo: Celebrating Day of the Dead

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Date: Friday, October 30, 2026
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Time: 7:00 PM
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Location: Stewart Auditorium, Longmont Museum
400 Quail Rd.
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Reserved seating: $23
$20 Museum members

An evening of live performance celebrating Día de Muertos, curated by and featuring iZCALLi. The program spans traditions from Aztecan dance with Grupo Azteca Tlahuitzcalli to iZCALLi's genre-bending rock and roll.

Tickets required. Check the official Museum page for current ticket availability, seating and performance details.
Official Event & Ticket Information →
Longmont Halloween Costume Parade
Halloween • Family • Downtown

Halloween Costume Parade

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Date: Saturday, October 31, 2026
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Time: 9:30 AM – 11:30 AM
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Starting Location: Roosevelt Park
700 Longs Peak Ave., Longmont
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Cost: FREE

Dress up and join Longmont's annual costume foot parade. Kids and adults of all ages are welcome. After the parade, head downtown for Trick-or-Treat Street at participating businesses. No registration is required.

Parade reminders: The City says dogs must be leashed, no large animals are allowed and motorized vehicles are not permitted in the parade.
Official City Event Page →
What's Happening in Longmont?

Have an Event We Should Add?

Local businesses, nonprofits, community organizations and residents can send us upcoming Longmont events. Include the date, time, location, cost, official website and an event image if available.

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