Free things to do this weekend in and around San Francisco

San Francisco & Bay Area's Top Picks for FREE family-friendly fun Friday, September 11, 2026 to Sunday, September 13, 2026

(Scroll down for full, detailed list of free weekend activities.)

Toddler Plus Storytime - Main Library - Children's Department - Main Library - Children's Department, Friday, September 11, 2026, 10:30am

Free Fall and Holiday Mini Photo Sessions with Shoott - Bay Area - Shoott - Broadway, New York, NY, USA, Friday, September 11, 2026 to Sunday, September 13, 2026, See link for times

Sound Bites: STEM for KIDS - California Historical Radio Society - California Historical Radio Society, Central Avenue, Alameda, CA, USA, Saturday, September 12, 2026, 10:00am

Mountain View Art & Wine Festival - Castro Street, Mountain View, CA, USA, Saturday, September 12, 2026 to Sunday, September 13, 2026, Check website for time

September Second Saturday at Elizabeth F. Gamble Garden - Elizabeth F. Gamble Garden - 1431 Waverley St, Palo Alto, CA 94301, United States, Saturday, September 12, 2026, 10:00am

Family Storytime - West End Library, Alameda Free Library - 788 Santa Clara Avenue, Alameda, CA 94501, United States, Saturday, September 12, 2026, 10:30am

Family Storytime - Main Library - Children's Department - Main Library - Children's Department, Saturday, September 12, 2026, 10:30am

Creative Play: Foam Fun at The Village at San Antonio Center - The Village at San Antonio Center - 645 San Antonio Road, Mountain View, CA 94040, United States, Saturday, September 12, 2026, 4:00pm – 6:00pm PDT

Family Storytime - Main Library - Main Library, Sunday, September 13, 2026, 12:30pm

Monthly Farm Tour - Heirloom East Bay - Heirloom East Bay - 9990 Crow Canyon Road, Castro Valley, CA, United States, Sunday, September 13, 2026, 10:00am – 4:00pm