September 2025

Tue 9

Tuesday, Sep. 9 · 6 pm - 7 pm

Pens, Prompts, and Pizza – Teen Writers’ Group

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

Wed 10

Wednesday, Sep. 10 · 5 pm - 6 pm

Teen Gaming Club

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

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

Tue 16

Tuesday, Sep. 16 · 6 pm - 7:30 pm

Dungeons & Dragons for Teens

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

Wed 17

Wednesday, Sep. 17 · 3 pm - 8 pm Friends of the Longmont Library Book Sale Series

Friends of the Longmont Library Book Sale (Members Only Night)

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

Wed 17

Wednesday, Sep. 17 · 5 pm - 6 pm

Teen Anime Club

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

Thu 18

Thursday, Sep. 18 · 9 am - 8 pm

Friends of the Longmont Library Book Sale

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

Thu 18

Thursday, Sep. 18 · 4 pm - 5 pm

Teen Taste Test: Sodas

Get a taste for something new! Participants will have an opportunity to sample different flavored treats from around the world, rank their favorites, and compare notes with other teens.

Fri 19

Friday, Sep. 19 · 9 am - 8 pm

Friends of the Longmont Library Book Sale

Longmont Library 409 4th Ave., 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

Tue 23

Tuesday, Sep. 23 · 5:30 pm - 7:30 pm Open Chess Night Series

Open Chess Night @ the Library

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

Tue 23

Tuesday, Sep. 23 · 6 pm - 7 pm

Teens Try it Out! Cupcake Decorating SOLD OUT

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

Wed 24

Wednesday, Sep. 24 · 5 pm - 6 pm

Teen Gaming Club

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

Wed 24

Wednesday, Sep. 24 · 6 pm - 7 pm

Teen Art Exploration: Bundle Dying

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

Join us in the Teen Room to try out new art forms. No experience necessary. This is a great opportunity to learn something new, socialize with other makers, and make a cool project to take home!

Sat 27

Saturday, Sep. 27 · 11 am - 6:30 pm

LevelUp Longmont Esports Tournament and Festival

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

Tue 30

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

Open Chess Night @ the Library

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

October 2025

Wed 1

Wednesday, Oct. 1 · 5 pm - 6 pm

Teen Anime Club

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

Sun 5

Sunday, Oct. 5 · 2:30 pm - 4 pm

The Library @ the Museum: Books on the Chopping Block with Outlaw Production Collective

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

Explore more about these challenges with Outlaw Production Collective’s program, Books on the Chopping Block, a 60-minute program of readings from the ALA’s Top Ten Most Challenged Books of 2024.