September 2026

Fri 11

Recreation Center Pool Closures (9/11/2026)

Friday, Sept. 11 Recreation Center Pool Closures Series

Recreation Center 310 Quail Rd., Longmont, CO, United States

Fri 11

All Out League

Friday, Sept. 11 · 4 a.m. - 5:30 p.m. All Out League Series

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

Fri 11

Art (9/11/2026 3:00 pm)

Friday, Sept. 11 · 3 p.m. - 5:30 p.m. Art Series

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

Fri 11

Art (9/11/2026 3:00 pm)

Friday, Sept. 11 · 3 p.m. - 5:30 p.m. Art Series

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

Fri 11

3rd Annual Sunset Soiree

Featured Friday, Sept. 11 · 6 p.m. - 9 p.m.

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

Join us as we celebrate and raise support for the Longmont Museum at our 3rd Annual Sunset Soirée gala! As the sun sets over Longs Peak, you’ll enjoy an open bar with signature cocktails, a three-course meal, and live music.

Sat 12

Recreation Center Pool Closures (9/12/2026)

Saturday, Sept. 12 Recreation Center Pool Closures Series

Recreation Center 310 Quail Rd., Longmont, CO, United States

Sat 12

Discovery Days Art (9/12/2026)

Saturday, Sept. 12 · 9:15 a.m. - 2:15 p.m. Discovery Days Art Series

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

Discovery Days is an early childhood program for children ages 2 to 6 and their caregivers to have fun together with educational, hands-on art, music, and movement activities.

Sat 12

English Conversation Group

Saturday, Sept. 12 · 10:30 a.m. - 11:30 a.m. English Conversation Group Series

Longmont Public Library 355 Emery St., Longmont, CO, United States

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

Sat 12

History Tour at Sandstone Ranch

Saturday, Sept. 12 · 10:30 a.m. - noon History Tour at Sandstone Ranch Series

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

Sat 12

All Ages Storytime: Saturday

Saturday, Sept. 12 · 11 a.m. - 11:30 a.m. All Ages Storytime: Saturday Series

Longmont Public Library 355 Emery St., Longmont, CO, United States

Join us as we share picture books, move, dance and sing together every Saturday morning! All storytimes require a dedicated adult caregiver remain in the storytime room.

Sat 12

Callahan Fall Open House at ArtWalk

Saturday, Sept. 12 · 4 p.m. - 8 p.m. Callahan Fall Open House at ArtWalk Series

Callahan House 312 Terry St, Longmont, CO, United States

Sun 13

Recreation Center Pool Closures (9/13/2026)

Sunday, Sept. 13 Recreation Center Pool Closures Series

Recreation Center 310 Quail Rd., Longmont, CO, United States

Sun 13

Councilmember Jake Marsing – Virtual Office Hours

Sunday, Sept. 13 · 1 p.m. - 3 p.m.

Virtual Event

Sun 13

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

Sunday, Sept. 13 · 2 p.m. - 3 p.m. Dogs Enjoy Afternoon Reading (D.E.A.R.) Series

Longmont Public Library 355 Emery St., Longmont, CO, United States

Designed for new readers and kids who want to practice their reading with a non-judgmental, furry audience a.k.a. a trained therapy dog.

Mon 14

Recreation Center Pool Closures (9/14/2026)

Monday, Sept. 14 Recreation Center Pool Closures Series

Recreation Center 310 Quail Rd., Longmont, CO, United States

Mon 14

Bilingual Storytime

Monday, Sept. 14 · 10 a.m. - 10:30 a.m. Bilingual Storytime Series

Longmont Public Library 355 Emery St., Longmont, CO, United States

Culturally diverse stories, songs, and movement in English and Spanish for birth to 5 years old.

Mon 14

All Ages Stay & Play Monday

Monday, Sept. 14 · 10:30 a.m. - 11 a.m. All Ages Stay & Play Series

Longmont Public Library 355 Emery St., Longmont, CO, United States

Open play time for birth-4-year-olds and their caregivers. Monday All Ages Stay & Play happens right after Bilingual Storytime.

Mon 14

Navigators

Monday, Sept. 14 · 4 p.m. - 5:30 p.m. Navigators Series

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

Mon 14

High School Group

Monday, Sept. 14 · 4 p.m. - 5:30 p.m. High School Group Series

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

Mon 14

Second Mondays Book Group (9/14/2026)

Monday, Sept. 14 · 6 p.m. - 7:30 p.m. Second Mondays Book Group Series

Longmont Public Library 355 Emery St., Longmont, CO, United States