Events Calendar

September 2025

Sat 13

Saturday, Sep. 13 · 1:30 pm - 3:30 pm

Community Water Academy 

Longmont Senior Center 910 Longs Peak Ave., Longmont, CO, United States

Sun 14

Sunday, Sep. 14 · 2 pm - 3 pm

Dogs Enjoy Afternoon Reading (D.E.A.R.)

Longmont Library 409 4th Ave., Longmont, CO, United States

Mon 15

Monday, Sep. 15 · 9 am - Sunday, Sep. 21 · 5 pm

Lotería Scavenger Hunt

Longmont Library 409 4th Ave., Longmont, CO, United States

Mon 15

Monday, Sep. 15 · 10 am - 10:30 am Bilingual Storytime / Cuentos Bilingües Series

Bilingual Storytime / Cuentos Bilingües

Mon 15

Monday, Sep. 15 · 10:30 am - 11 am All Ages Stay and Play Series

All Ages Stay and Play

Longmont Library 409 4th Ave., Longmont, CO, United States

Mon 15

Monday, Sep. 15 · 3 pm - 5 pm

POSTPONED Water Advisory Board

Mon 15

Monday, Sep. 15 · 4 pm - 5 pm

Mythical Creatures Club: Greek Mythology

Longmont Library 409 4th Ave., Longmont, CO, United States

Mon 15

Monday, Sep. 15 · 4 pm - 5:30 pm Navigators Series

Navigators

Longmont Youth Center 1050 Lashley St., Longmont, CO, United States

Mon 15

Monday, Sep. 15 · 5:30 pm - 7 pm

Historic Main Street Walking Tour

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Mon 15

Monday, Sep. 15 · 6 pm - 7:30 pm Drop-in Writers Group / Grupo de Escritores Abierto Series

Drop-in Writers Group

Longmont Library 409 4th Ave., Longmont, CO, United States

Mon 15

Monday, Sep. 15 · 6 pm - 7:30 pm Drop-in Writers Group / Grupo de Escritores Abierto Series

Drop-in Writers Group

Longmont Library 409 4th Ave., Longmont, CO, United States

Mon 15

Monday, Sep. 15 · 7 pm - 9 pm Library Board Meeting Series

Library Board Meeting

Tue 16

Tuesday, Sep. 16 · 7:30 am - 10 am Bird Walk at Sandstone Ranch Series

Bird Walk at Sandstone Ranch

Sandstone Ranch Visitors Center 3001 Sandstone Dr., Longmont, CO, United States

Tue 16

Tuesday, Sep. 16 · 9:15 am - 2 pm Discovery Days Music & Movement Series

Discovery Days Music & Movement

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Tue 16

Tuesday, Sep. 16 · 9:30 am - 11:30 am Studio Series: Intro to Watercolor Series

Studio Series: Intro to Watercolor

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Tue 16

Tuesday, Sep. 16 · 10 am - 11 am

Lanyon Park Historic Walking Tour

Lanyon Park 1900 Collyer Street, Longmont, Colorado, United States

Tue 16

Tuesday, Sep. 16 · 10:30 am - 11 am Toddler Stay & Play Series

Toddler Stay and Play

Longmont Library 409 4th Ave., Longmont, CO, United States

Tue 16

Tuesday, Sep. 16 · 4 pm - 5 pm After School Music Classes: Vocal Vibes Series

After School Music Classes: Vocal Vibes

Longmont Museum 400 Quail Rd., Longmont, CO, United States

Tue 16

Tuesday, Sep. 16 · 4 pm - 6 pm

College Common Application Boot Camp

Longmont Library 409 4th Ave., Longmont, CO, United States

Tue 16

Tuesday, Sep. 16 · 5:30 pm - 7:30 pm Open Chess Night Series

Open Chess Night @ the Library

Longmont Library 409 4th Ave., Longmont, CO, United States