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Sunday, September 21
San Francisco’s Final Day of Summer 2025 (Sept. 21)
Sunday, September 21 – All Day |
Cost: FREE | All Over San Francisco
Get ready to say goodbye to summer. Sunday, September 21, 2025, is the last official day of summer before we fall into, well… fall. The Autumn Equinox arrives on Monday, September 22 at 5:20 AM PST, marking the official start of fall.
Even though days have ...
8th Annual Free Family Dental Event (South SF)
On Sunday, September 21, 2025, South San Francisco Dental Care is proud to host its 8th annual Smiles For All — non-profit event providing a day of free dental care for our community.
Oral health is a window to overall health! Following a screening exam, adult patients (ages 18+) may receive one ...
$20 All Access Pass to “Doors Open California” Historic Site Weekend (Sept. 20-21)
75+ Sites Across the State | Just $20 to access all sites | Weekends from September 6th – 28th Doors Open California is the largest statewide celebration of historic places in California. Enthusiasts of historic architecture, design, and cultural heritage will have access to over ...
Outer Sunset Farmers Market & Mercantile
Sunday, September 21 – 9:00 am - Ends at 2:00 pm |
Cost: FREE | Sunset Mercantile (Outer Sunset)
Sunset Mercantile’s weekly outdoor market featuring farmers, ranchers, food trucks, live music, children’s activities, vendors, makers, merchants, artists, and local organizations. Bring the whole family for free seasonal art activities at the Sunset Mercantile Artship. Enjoy shopping an array of farm fresh produce, artisan goods. ...Every Sunday
“The Pepsi Challenge” Comes to Levi’s Stadium (Santa Clara)
Sunday, September 21 – 10:00 am - Ends at 1:25 pm |
Cost: FREE | Levi's Stadium
It’s true – Pepsi Zero Sugar tastes better and is more refreshing than Coke Zero Sugar, based on a nationally conducted taste test. To ensure people across the U.S. can discover this themselves, Pepsi revived The Pepsi Challenge earlier this year.
After 30+ stops so far, ...
SF’s Muni Heritage Weekend 2025: Free Rides on Vintage Buses + Streetcars (Sept 20-21)
Our signature annual event is back! Join us for Muni Heritage Weekend 2025 on Saturday, September 20 and Sunday, September 21, from 10 a.m. to 4 p.m. Celebrate San Francisco’s rich transit history and Transit Month with a two-day experience. What to Expect: Step aboard ...
“Manny’s Neighborhood Trash Cleanup” w/ $1 Beer & Free Yoga Classes, Free Fries (SF)
Tired? Sunday Funday. Wired? Sunday done-day. Make our neighborhood better, brunch with cool people (sorry not sorry, we’re biased), get deals to some fave local spots, and wrap it up before the Sunday Scaries hit with an easy hour of picking up trash around our ...Every Sunday
SF’s Free “Sundays at the Beach” Tai Chi Day (Great Highway)
Sunday, September 21 – 10:00 am |
Cost: FREE | The Great Highway
Join us for Tai Chi this Sunday! 10am at Judah and Great Highway Park This monthly course is for beginners and experienced students of tai chi alike. Plus, coffee is on us at @javabeachsf after the course. As a reminder, Sundays at the Beach is ...Monthly
SF’s Muni Heritage Weekend 2025: Ride Rare Historic Vehicles (Sept. 20-21)
The popular Muni Heritage Weekend is on for Saturday and Sunday, September 20-21, 2025 from 10 a.m. to 4 p.m. The traction (and bus) action will be centered around our San Francisco Railway Museum at the Steuart Street F-line stop (between Market and Mission). We expect two ...
Flower Piano 2025: 12 Hidden Pianos in Golden Gate Park (Final Day)
Flower Piano is back! Find hidden pianos in SF’s Botanical Garden. Flower Piano is set to return to the Botanical Garden this September 2025 for 10 days—September 12-21, with a special opening night event on Friday, September 12. In the final days of summer and ...
2025 San Francisco Greek Festival (Sept. 19-21)
Sunday, September 21 – 11:00 am - Ends at 7:00 pm |
Cost: FREE | Annunciation Cathedral
74th San Francisco Greek Food Festival “A Journey of Greek Culture” returns to the Mission District September 19-21, 2025. San Francisco’s long-running and beloved Greek Food Festival, “A Journey of Greek Culture,” returns to the Mission District this fall. The three-day food festival will offer ...
Bayview Beautification Day + Volunteering (Gilman Playground)
Sunday, September 21 – 11:00 am - Ends at 12:30 pm |
Cost: FREE | Silver Terrace Athletic Fields
Volunteers will meet at a different area of Bayview to grab our supplies and form our crew. Then, cleaning will occur from 11:00am to 12:30pm around the neighborhood. Stay afterwards for treats and refreshments and tomeet fellow volunteers. Sign up on this TogetherSF Mobilize page or email info@refuserefusesf.org with ...
“Lindy in the Park” Swing Dance Party (Golden Gate Park)
Get ready to swing in Golden Gate Park every sunny Sunday at “Lindy in the Park,” a weekly free event near the de Young Museum, when the streets of Golden Gate Park are closed to traffic and the dancers take over. This in person event resumed ...Every Sunday
“Sun Day” Free Fall Equinox Festival (San Leandro)
Sun Day is a Third Act national mobilization and action on September 21, 2025 – the fall equinox – celebrating solar and wind power, and growing the movement to build a cleaner, healthier future.
Third Act SF Bay Area, in collaboration with the City of San ...
“BerkeleyJam” 2025: Free Juggling Festival (Live Oak Park)
Whether you’re an experienced juggler or an absolute beginner, this event is for YOU. We’re kicking off a fresh chapter in our juggling community, bringing back the spirit of our past festivals in a casual, one-day gathering. We’ll be offering free workshops throughout the day, ...
Bay Area’s Biggest Padel Showdown at Embarcadero Plaza (Sept. 19-21)
The Bay Area Padel Cup returns for its first-ever team tournament, hosted by Park Padel to celebrate their second anniversary. Modeled after the Laver Cup, Team Europe faces Team World in a three-day competition featuring NorCal’s top padel players. Matches, opening ceremonies, and community gatherings ...
GG Park’s “Whale Tail” Pop-up Beer & Wine Garden (May – October 2025)
Now in its fourth season, the family- and dog-friendly space transforms the JFK Promenade’s Golden Mile into a vibrant weekend destination filled with drinks, lawn games, public art, and curated local food trucks. Located just west of the Rose Garden near 14th Avenue East Meadow, ...Every Sunday
Peace Day SF 2025: Free Music Festival (The New Farm)
Peace Day SF 2025 will bring the local community together through music and song. This year’s theme is: Act Now for a Peaceful World.
Historically San Francisco has been a hub for the global observance of the United Nation’s Day of Peace on September 21st, even ...
Alameda’s 8th Annual Blues, Brews + BBQ Fest (2025)
Join us for the 8th annual celebration of world-class Blues musicians, local craft beverages, and smoking BBQ vendors in lovely Washington Park, Alameda.
Blues, Brews & BBQ returns with a red hot line up and a swingin’ community vibe. This year’s main stage will be bouncing ...
8th Annual Blues, Brews & BBQ Festival (Alameda)
Join us for our 8th annual celebration of world-class Blues musicians, a myriad of local craft breweries, and smoking BBQ vendors.
Headliners include:
MJs Brass Boppers
5:00-6:00pm
Authentic New Orleans singing and swinging Second Line brass band fusing traditional NOLA standards, funk, jazz, modern pop, and more.
Lavay Smith
& Her ...
“Sunday Streets” 2025: SF’s Free Street Festival & Block Party (Western Addition)
Sunday, September 21 – 12:00 pm - Ends at 4:00 pm |
Cost: FREE | Western Addition
Livable City is announces the 2025 season of Sunday Streets with six events across San Francisco and the fifth annual Phoenix Day citywide block party program. From June to October, the season will launch with one key theme: Safe Streets, Shared Joy. In the midst of ...
Free Rooftop Argentine Tango Dance Class at SF’s Salesforce Park (Third Sundays)
Sunday, September 21 – 12:00 pm - Ends at 3:00 pm |
Cost: FREE | Salesforce Park
Learn and experience Argentine Tango at Salesforce Park with Che! Tango SF. Dancers of all levels are invited to this engaging social dance with unforgettable music. Whether you’re new to tango or have been dancing for years, you’ll find a welcoming community and an inspiring ...Monthly
Golden Gate Park Band’s Free Symphony in the Park: Spanish Cultural Celebration (2025)
The Golden Gate Park Band presents its 143rd season in Golden Gate Park’s music concourse. That’s right, this 30-piece symphony has been playing free concerts in Golden Gate Park since 1882. For 2025, the Golden Gate Park Band performs free weekly concerts most Sundays at 1 pm. ...Every Sunday
Golden Gate Park Sunday Roller Disco Party (SF)
Sunday, September 21 – 1:00 pm - Ends at 5:00 pm |
Cost: FREE | Skatin' Place
There is a place in San Francisco’s Golden Gate Park that is heaven for Bay Area inline skaters and roller skaters who like to boogie to the funky beat on wheels. The Godfather of Skate brings his mobile DJ unit and plays groovy tunes for ...Every Sunday
Every Sunday
“Heart of the City” Sunday Farmers Market | UN Plaza
Every Sunday – All Day |
Cost: FREE | UN Plaza
Heart of the City Farmers Market is a uniquely independent, farmer-operated, nonprofit farmers market located year round on Sundays and Wednesdays in San Francisco’s United Nations Plaza, rain or shine. Nearly 30 local farmers and artisan food vendors provide a wide selection of fresh local produce, ...
Delicious Market Recipes & Free Seasonal Tasting | Jack London Square
Every Sunday – All Day |
Cost: FREE | Jack London Square
With more than 40 vendors, the Jack London Square Farmers Market offers local produce, food craft products, and breakfast and lunch options.
The Jack London Square Farmers Market is operated by CUESA at Oakland’s Jack London Square on Sundays from 10 am to 3 pm, year ...
Dolores Park Free Bodyweight Bootcamp | SF
WHAT IS “OUT”?
Workouts are open to all from a certified personal trainer, Josh Muñoz. We are LGBTQ+ friendly and our group is open to all fitness levels. You will be challenged and supported in a safe, social workout environment. Bring a towel and water and ...
Victorian Walking Tour | Pacific Heights
See and learn about the Victorian era architecture of the city’s first suburb on a guided walk from SF City Guides.
Victorian Walking Tour
Every Sunday | 2 pm
1801 Bush, 1801 Bush St., SF, CA
Free, but donations are accepted.
On a walk through the neighborhood of Lafayette Square, you’ll ...
Sunday Afternoon Bluegrass Jam | Bernal Heights
Every Sunday – 4:00 pm - Ends at 7:00 pm |
Cost: FREE | The Lucky Horseshoe
Grab that banjo, mandolin, guitar, fiddle, harmonica and autoharp, and head over to The Lucky Horseshoe in Bernal Heights to join in San Francisco’s only Bluegrass Jam on a Sunday afternoon.
Sunday Afternoon Bluegrass Jam
Every Sunday | 4-7 pm
The Lucky Horseshoe, 453 Cortland Ave., SF, CA
FREE
Jamming ...
$5 Sunday Night Juggling Club at Circus Center | SF
Every Sunday – 5:00 pm - Ends at 8:00 pm |
Cost: $5 | Circus Center
Experienced juggler or a newbie looking to learn? Come hang out at Juggling Club and collaborate in a fun, low-pressure environment with an experienced Circus Center instructor. All levels are welcome in this club class taught by Jade Ford.
Juggling Club
Most Sundays | 5-8p
Circus Center, 755 Frederick St., ...
