< Friday, September 18
Sunday, September 20 >
Saturday, September 19
40th Annual Russian River Watershed Cleanup
Join us in our annual tradition of gathering together and showing the river some love by helping us remove the trash and plastic pollution that accumulates over the summer at 20+ locations, from Ukiah to Jenner. Let’s see if we can do even better than ...
42nd Annual California Coastal Clean-Up Day (2026)
Saturday, September 19 – 9:00 am - Ends at 12:30 pm |
Cost: FREE | Golden Gate National Recreation Area
Join the Parks Conservancy on September 19, 2026 for the 42nd annual Coastal Cleanup Day—the statewide movement that helps clear trash from California’s coastlines and inland waterways every year! Volunteers will enjoy beautiful ocean views while they remove litter, protect native habitats, help minimize marine ...
10th Annual Solano County “Open Farm Day” 7 Farms w/ Hayrides + Animal Fun (Vacaville)
Saturday, September 19 – 9:00 am - Ends at 3:00 pm |
Cost: FREE | Pleasants Valley
The 10th Annual Pleasants Valley Open Farm Day is a free agritourism event in unincorporated Vacaville where seven local farms and ranches offer animal encounters, tractor hayrides, agricultural demonstrations, workshops, historical walking tours, local products and food trucks. Participating locations include Soul Food Farm, Morningsun ...
Free “Legion of Honor” Museum Day for Bay Area Residents (Every Saturday)
the Legion of Honor offers free general admission to the permanent galleries to Bay Area residents. Advanced tickets are required, and capacity is limited due to COVID-19 precautions. Please note that admission to any special exhibits is not included nor discounted and will require ...Every Saturday
Free de Young Museum Day for Bay Area Residents (Every Saturday)
, the de Young offers free general admission to the permanent galleries to Bay Area residents. Please note that admission to any special exhibits is not included nor discounted and will require the full admission price. Saturdays feature engaging art experiences for the entire family, ...Every Saturday
SF’s “Secondhand Saturday” 2025 w/ Sunset Mercantile (Every Third Saturday)
Launching April 18th, one of San Francisco’s favorite vintage and makers market is returning for it’s fifth season! Come celebrate Earth Day at the 2026 season launch of Secondhand Saturday! A curated, stylish, and modern take on the traditional flea market, featuring over 60 vintage ...Monthly
City Kids Family Fair 2026 (SF)
City Kids Family Fair is a fun, family-friendly event that showcases many of the early care and education programs and services available to San Francisco families through Children’s Council of San Francisco and many other community organizations. Looking for child care or preschool for your child? ...
Sunnyside 2026 Pop-Up Market and Neighborhood-Garage Sale (SF)
Saturday, September 19 – 10:00 am - Ends at 2:00 pm |
Cost: FREE | Sunnyside SF
SNA is hosting our first Pop-Up Market and 2026 Annual neighborhood Garage Sale on September 19th from 10am to 2pm! We are excited to collaborate with Civic Joy Fund and Kwik & Convenient to bring neighbors out and have a fun time on the central ...
Free Ag Day 2026: Farm Animals + Hands-On Fun for Families (Hayward)
Join us for a FREE, family-friendly celebration of agriculture in our community!
Discover the past, present, and future of farming through hands-on activities, interactive exhibits, local farm animals, and fun lessons about plant growth and the journey from farm to table.
Bring the whole family and dig ...
Lafayette Art & Wine Festival 2026 (Sept. 19-20)
The Lafayette Art & Wine Festival is Saturday, September 19, 10am-7pm and Sunday, September 20, 10am-6pm in Downtown Lafayette along Mt. Diablo Blvd, Lafayette Circle and La Fiesta Square and will feature the beautiful downtown, local artists, local food and drink and local entertainment on ...
Flower Piano 2026: 12 Hidden Pianos in Golden Gate Park (Sept. 10-20)
One of the most unique interactive music festivals in the Bay Area is back! Flower Piano returns for its 11th year with 11 days of music, 12 pianos, and 130 performances in the Botanical Garden, plus plenty of open play opportunities, family-friendly activities, and more ...
SF’s Muni Heritage Weekend 2026: Ride Rare Historic Vehicles (Sept. 19-20)
Step aboard San Francisco’s transit history at Muni Heritage Weekend, a two-day celebration featuring rare vintage streetcars, buses and cable cars, free rides, interactive exhibits, family activities and more at the San Francisco Railway Museum and Don Chee Way Plaza. San Francisco’s iconic transit system ...
69th Mill Valley Fall Arts Festival (Sept. 19-20)
The Mill Valley Fall Arts Festival, one of Northern California’s most beloved outdoor arts traditions, returns to Old Mill Park beneath the towering redwoods on September 19 and 20, 2026, celebrating its 69th annual event with a vibrant weekend of fine art, live music, family programming, and community ...
“Funky Brunch” Free SoMa Day Party w/ DJs & Seasonal Bites (SF)
For the foodies who also like to dance!
The Funky Brunch is back at The Nosh Box on Saturday, September 19, with DJs Ben Fonik and Omnibot spinning soul, R&B, and classic house alongside a seriously good brunch.
Pair the music with their seasonal, made from scratch, ...
Free “Berkeley Old-Time Music” All-Day Festival at Central Library (+ Late Night Events)
The Berkeley Old Time Music Convention returns September 16-20, 2026, for its 23rd annual festival with five days of old-time music, dancing, workshops, open jams, and concerts at venues across Berkeley. The event features acclaimed local and national musicians, free daytime programs at Berkeley Central ...
Oktoberfest at Headlands Brewing (Walnut Creek/Berkeley)
Oktoberfest is taking over Headlands! Every beer garden will set the scene with festive décor, Oktoberfest music, a special Headlands beer lineup, and plenty of one-liter pours.
This celebration is our invitation to gather, celebrate tradition, and raise a stein with good company. Stop by throughout ...
Off The Grid Treasure Island
Saturday, September 19 – 11:00 am - Ends at 4:00 pm |
Cost: FREE | Cityside Park
Off the Grid, San Francisco’s pioneering outdoor food markets, returns to Treasure Island this fall, bringing its signature experience back to San Francisco’s best new waterfront neighborhood. Building on a successful fall debut that drew thousands to Cityside Park, the fall market runs six Saturdays ...
Family Day Block Party: Bayview-Hunters Point Waterfront (SF)
India Basin Waterfront Park is getting activated — and you are invited!
This is a free, all-ages afternoon built around the feeling of a family reunion — good music, good people, and room to breathe.
Expect live DJs holding down the vibe alongside local Bayview musicians and ...
South San José Village Fest 2026
Saturday, September 19 – 11:00 am - Ends at 4:00 pm |
Cost: FREE | Village Oaks Shopping Center
Village Fest is the premier family‑friendly street festival celebrating the vibrancy and diversity of South San José’s District 2! Join us as we showcase neighborhood treasures, local ingenuity, and the amazing community spirit that makes South San José shine. This free event brings families together, ...
Off the Grid 2026 Treasure Island w/ Free Kites + Free Ferry Rides (Fall 2026)
Saturday, September 19 – 11:00 am - Ends at 4:00 pm |
Cost: FREE | 695 Avenue of the Palms
through October 17 from 11 AM to 4 PM, Off the Grid returns to Treasure Island, bringing food trucks, music, and family-friendly activities to Cityside Park in San Francisco’s newest waterfront neighborhood. The spring series includes free kite flying, face painting, and plenty ...Every Saturday
