Events Calendar

September 2025

Fri 19

Friday, Sep. 19 · 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

Fri 19

Friday, Sep. 19 · 4 pm - 5 pm All Out League Series

All Out League

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

Sat 20

Saturday, Sep. 20 · 9 am - 5 pm

Friends of the Longmont Library Book Sale

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

Sat 20

Saturday, Sep. 20 · 9:15 am - 2:15 pm Discovery Days Art Series

Discovery Days Art

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

Sat 20

Saturday, Sep. 20 · 10:30 am - 11:30 am English Conversation Group Series

English Conversation Group

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

Practice English conversation with others in an informal, conversational setting. Some English experience suggested, but all welcome.

Sat 20

Saturday, Sep. 20 · 11 am - 11:30 am All Ages Storytime Series

All Ages Storytime

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

A 30-minute Saturday storytime designed for children of all ages and their grown-ups! Join us as we share picture books, move, dance and sing together.

Sat 20

Saturday, Sep. 20 · 12 pm - 1 pm

Free Fitness in the Park

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

Mon 22

Monday, Sep. 22 · 10 am - 10:30 am Bilingual Storytime / Cuentos Bilingües Series

Bilingual Storytime / Cuentos Bilingües

Mon 22

Monday, Sep. 22 · 10:30 am - 11 am

All Ages Stay & Play

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

Mon 22

Monday, Sep. 22 · 10:45 am - 11:45 am

Discovery Days Music & Movement in the Park

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

Mon 22

Monday, Sep. 22 · 3 pm - 5 pm

Water Advisory Board

Mon 22

Monday, Sep. 22 · 4 pm - 5:30 pm Navigators Series

Navigators

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

Mon 22

Monday, Sep. 22 · 5 pm - 6 pm

Flex Your Mind: Brain Games for Tweens with Root Lab

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

Mon 22

Monday, Sep. 22 · 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 22

Monday, Sep. 22 · 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 22

Monday, Sep. 22 · 7 pm - 8:30 pm

Deep Thoughts Philosophy Book Group (Virtual)

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

This book group discusses a different classic short work of philosophy or an excerpt from a longer work.

Tue 23

Tuesday, Sep. 23 · 9:15 am - 2 pm Discovery Days Music & Movement Series

Discovery Days Music & Movement

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

Tue 23

Tuesday, Sep. 23 · 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 23

Tuesday, Sep. 23 · 10:30 am - 11 am Toddler Stay & Play Series

Toddler Stay and Play

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

Tue 23

Tuesday, Sep. 23 · 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