What's Up This Weekend with Fonseca 09/25/26
Friday, September 25
Maker Faire ~ VallejoPart science fair, part county fair, and part something entirely new, Maker Faire is an all-ages gathering of tech enthusiasts, crafters, educators, tinkerers, hobbyists, engineers, science clubs, authors, artists, and students. Come join the largest celebration of invention, creativity, curiosity and hands-on learning.
Sundown Cinema: School of Rock (Free) – San Francisco
Autumn Moon Festival – San Francisco
Family Fun Night – Santa Rosa
Model Railroad Show – Walnut Creek
Cats Junior The Musical – Palo Alto
Shrek Jr by Playful People – San Jose
Saturday, September 26
Off the Grid Treasure Island Fall Edition ~ San FranciscoOff the Grid returns to Treasure Island this fall, every Saturday from September 12 through October 17, from 11 AM to 4 PM. Enjoy 180-degree Bay views from Cityside Park, live music, kites for kids, and food trucks serving Asian, Latin, European, and classic American favorites. Admission is free, and the event is rain or shine and pet-friendly. Best of all, the eight-minute ferry ride from downtown San Francisco is free, too, for all attendees!
Bluey’s Big Play – San Francisco
Engineering Day at the Exploratorium – San Francisco
Viva Kick-off Party – San Francisco
The Bay Area Chuseok Festival (Free) – San Francisco
Family Farm Day – Muir Beach
Kids Night at the Museum – Santa Rosa
Windsor Day Parade & Festival (Free) – Windsor
Habitot Day of Play (Free) – Berkeley
EBMUD Clean Bay Open House – Oakland
Cereal Cinema – Oakland
Mid-Autumn Festival – San Ramon
Mariachi Festival – Hayward
Fog Fest (Free) – Pacifica
Dragon Boat Races – Foster City
Arts & Culture Fest (Free) – San Mateo
Touch a Truck (Free) – Los Altos Hill
Harvest History Festival (Free) – Mountain View
Fall Bike Fest (Free) – Cupertino
Mid-Autumn Moon Festival – San Jose
Fiesta en la Playa – Santa Cruz
Sunday, September 27
Five Little Monkeys is Celebrating 25 years of PLAY ~ AlbanyFive Little Monkeys is celebrating 25 years of PLAY! Join them Sunday, September 27 from 11AM-3PM at 1240 Solano Ave in Albany. This FREE family fun event will include: Goodie Bags (while supplies last), Crafts & Activities, Games, Toy Testing, A raffle to benefit Albany Education Foundation, A performance from beloved children’s musician Asheba and much more!
Marine Science Sunday ~ SausalitoOtters are an amazing keystone species that help to keep our ocean healthy. Let’s celebrate how far this marine mammal has come, from being hunted extensively for their luxurious fur, to the work The Marine Mammal Center does to bring sea otters back from the brink of extinction. Adorable otter content guaranteed.
Birdwatching and Nature Art for Families – San Francisco
The Golden Gate Reading Club – San Francisco
Chuseok Celebration – San Francisco
Weekend Along the Farm Trails Fall Tour – Sonoma County
Fall Family Festival – Fairfax
Harvest Festival (Free) – Piedmont
Sundays at Hagemann Ranch (Free) – Livermore
Mid-Autumn Celebration – Hayward
Family Day at the Garden – Fremont
Family Fun Fest – Pacifica
Nightfall at Filoli – Woodside
Polish Festival – San Jose
The Great Big Boo at Gilroy Gardens – Gilroy
Saturday, Sept. 26
San Jose Barracuda vs. Bakersfield Condors — 5:00 PM, Tech CU Arena, San Jose. This is a preseason game.
San Jose Earthquakes vs. Portland Timbers — 7:30 PM, PayPal Park, San Jose.
Oakland Roots vs. Phoenix Rising FC — 7:00 PM, Oakland–Alameda County Coliseum.
San Francisco Giants vs. Los Angeles Dodgers — 1:05 PM, Oracle Park, San Francisco.
Sunday, Sept. 27
San Francisco 49ers vs. Arizona Cardinals — 1:05 PM, Levi’s Stadium, Santa Clara.
Bay FC vs. Orlando Pride — 2:00 PM, PayPal Park, San Jose.
San Francisco Giants vs. Los Angeles Dodgers — 12:05 PM, Oracle Park, San Francisco.
Avengers: Endgame — Encore — theatrical re-release, including IMAX
Charlie Harper
Forgotten Island
Heart of the Beast
Primetime
The Stunt Driver The Numbers
Saturday + Sunday
Pacific Coast Fog Fest — Pacifica — Sept. 26–27, 10 AM–6 PM, Palmetto Ave. Free. Parade Saturday morning, 200+ arts/crafts vendors, food, live music, family activities, plus actual carnival rides and games. Visit Pacifica
Maker Faire Bay Area — Mare Island, Vallejo — Sept. 25–27. Huge maker festival with inventions, art, tech, demos, hands-on activities and unusual creations. Funcheap
Portola Music Festival — San Francisco, Pier 80 — Sept. 26–27. Major outdoor music festival featuring Robyn, DJ Shadow, Fatboy Slim, Tiësto and more. SFGATE
Saturday, Sept. 26
Bay Area Chuseok Korean Harvest Festival — Presidio, San Francisco — Korean cultural celebration with food, music, performances and community activities. Funcheap
Corgi Con — Alameda County Fairgrounds, Pleasanton — 10 AM–5 PM. Corgi races, activities, vendors and family festival atmosphere. Funcheap
Pacific Coast Fog Fest Parade — Pacifica — parade begins 10 AM Saturday on Palmetto Avenue. Fog Fest - September 26th & 27th, 2026!
Sunday, Sept. 27
Folsom Street Fair — San Francisco SoMa — 11 AM–6 PM, Folsom Street from 8th–12th. Massive outdoor street fair with stages, vendors and leather/fetish culture. This is an adult-oriented event, not a traditional family street fair. Funcheap
40th Annual Petaluma Antique Faire — Downtown Petaluma — 8 AM–4 PM, free. Downtown streets turn into blocks of antiques and collectibles vendors. Funcheap
Marin Oktoberfest — Larkspur / Marin Country Mart — 11 AM–5 PM. Biergarten, German food, live music, stein-holding and costume contests. Funcheap
German Day Festival — Golden Gate Park, San Francisco — 11 AM–4 PM, German culture, food, music and dancing. Funcheap
Sausalito Oyster Festival — Dunphy Park — Noon–3 PM, free admission with food/drink for purchase.
The Randall Museum (always free) – San FranciscoThe Randall Museum is a museum of science, nature and the arts as well as a San Francisco Recreation and Park Department community learning center.
The San Francisco Zoo (select Wednesdays) – San FranciscoFree only for San Francisco residents on select Wednesdays.
Asian Art Museum (1st Sunday) – San FranciscoOn the first Sunday of each month, general admission is free and tickets to special exhibitions are offered at a discounted price of $15. Limited same-day, walk-up availability, so it’s highly recommended that you reserve your tickets in advance.
SFMOMA (select days) – San FranciscoSFMOMA offers regularly scheduled free days and guests 18 and younger always enjoy free admission to the museum. Visit sfmoma.org/free-days for upcoming dates and activities or sign up for their newsletter to be notified when new events, exhibitions, and activities are announced.
Museum of the African Diaspora (2nd Saturday) – San FranciscoContemporary art and artists of the African Diaspora.
Museum of Craft and Design (1st Thursday) – San FranciscoMCD showcases designers, makers and artists through an exciting and distinctive series of craft and design-focused exhibitions and public programs.
The de Young Museum (Tuesdays and Saturdays) – San FranciscoSaturdays free for Bay Area residents. Tuesdays free for all.
The Fine Arts Museum (Tuesdays and Saturdays) – San FranciscoSaturdays free for Bay Area residents. Tuesdays free for all.
Yerba Buena Center for the Arts (Wednesdays) – San FranciscoThe cultural anchor of San Francisco’s Yerba Buena Gardens neighborhood with work that spans the realms of contemporary art, performance, film, civic engagement, and public life.
Conservatory of Flowers (1st Tuesday) – San FranciscoSet in a landmark building — the oldest public wood-and-glass conservatory in North America — the Conservatory of Flowers inspires awe and fascination with its rare and tropical plant collection.
San Francisco Botanical Garden (2nd Tuesday) – San FranciscoExplore 55 beautiful acres of landscaped gardens and open spaces that showcase more than 8,000 different kinds of plants from around the world.
Cable Car Museum (always free) – San FranciscoHouses a collection of historic cable cars, photographs, mechanical displays.
San Francisco Fire Department Museum (always free) – San FranciscoAs the museum is staffed by volunteers, it is best if you call 415-558-3546 after 1PM on the day of your visit to make sure it will be open.
The Marine Mammal Center (always free) – SausalitoTickets are free but must be reserved online in advance.
Bay Model Center (always free) – SausalitoThe model provides scientists, educators and visitors interested in San Francisco Bay and the Bay – Delta Model a unique opportunity to view the complete bay-delta system at a glance.
Oakland Museum of California (first Sunday) – OaklandEvery first Sunday of the month, admission to OMCA’s Galleries of California Art, History, Natural Sciences, and any Special Exhibitions in our Great Hall are free.
Telescope Viewing at Chabot (Fri & Sat evenings) – OaklandJoin Chabot astronomers on the Observatory Deck for a free telescope viewing! Weather permitting, this is a chance to explore stars, planets and more through Chabot’s historic telescopes.
Berkeley Art Museum and Pacific Film Archive (1st Thursday) – BerkeleyAs part of the University of California, Berkeley, BAMPFA is committed to artistic diversity through its robust slate of art exhibitions, film screenings, artist talks, live performances, and educational programs that shed new light on the art of the past and connect audiences with leading filmmakers and artists of our time.
Richmond Art Center (always free) – RichmondOpportunities for adults, teens and kids to create, see and learn about art.
Rosie the Riveter WWII Home Front Museum (always free) – RichmondEducational and interactive exhibits designed for visitors of all ages, offering insights into the significant impact of WWII on daily life.
San Mateo County History Museum (1st Friday) – Redwood CityFree admission to the History Museum 10AM – 4PM. Free Playing in the Past at 11AM. Free general tour at the History Museum at 2PM.
South Bay Historical Railroad Society Museum (always free) – Santa ClaraThe museum consists of three major areas: the historic buildings, railroad artifacts, and operating scale model displays. Open Tuesday evenings and Saturdays.
The Intel Museum (always free) – Santa ClaraGo behind the scenes in the high-tech world of California’s famed Silicon Valley. See what it’s like inside an ultra-clean, highly automated silicon chip factory, and connect with technologies that give us new ways to work, learn, play, and communicate. The Intel Museum is 10,000 square feet of fun, interactive learning for children and adults. Open Mondays through Friday, 9AM-5PM. Call 408-765-5050 to confirm the museum is open to the public, since they sometimes close for private events.
San Jose Museum of Art (First Friday after 6pm)Contemporary art in downtown San Jose. Occasional free community art days.
Home Depot Kids Workshop (1st Saturday) – all locationsJoin at 9AM on the First Saturday of every month.
Saturday, September 26
Riley Green — Cowboy As It Gets Tour — Shoreline Amphitheatre, Mountain View — 7:00 PM
Beck — Ride Lonesome Tour — The Masonic, San Francisco — 7:30 PM
Marco Antonio Solís — Tour Gratitud 2026 — SAP Center, San Jose — 8:00 PM
Cristian Castro — Nada Solo Éxitos Tour — San Jose Civic — 8:00 PM
Shreya Ghoshal — Unstoppable Tour — Oakland Arena — 8:00 PM
Nef the Pharaoh & D-Lo — Burn The City Tour — Crybaby, Oakland — 7:00 PM
Sleep — The Fillmore, San Francisco — 8:00 PM
Marcus Miller — “We Want Miles” Centennial Celebration — SFJAZZ Center — 7:30 PM
Bill Frisell & Harmony 5 — Freight & Salvage, Berkeley — 8:00 PM
ABBA The Concert: A Tribute to ABBA — Mountain Winery, Saratoga — 7:30 PM
Rome Streetz — Sock It 2 My Pocket Tour — Café du Nord, San Francisco — 8:00 PM
Rusty Chains: A Tribute to Chris Cornell — Great American Music Hall, San Francisco — 7:30 PM
West 22nd — The Independent, San Francisco — 9:00 PM — listed as sold out
Groove Armada — The Great Northern, San Francisco — 10:00 PM
Parcels + Velvet Trip — Regency Ballroom, San Francisco — 9:00 PM
Max Styler + Airwolf Paradise — Audio SF — 10:00 PM
Jigitz + Clearcast — Monarch, San Francisco — 10:00 PM
Fcukers DJ Set + Chloé Caillet + others — Public Works, San Francisco — 10:00 PM
Portola Music Festival — Day 1 — Pier 80, San Francisco. The weekend lineup includes acts such as Robyn, DJ Shadow, Fatboy Slim, Soulwax, Zara Larsson, Melanie C, Tricky and many more. Skepta withdrew from his scheduled Saturday appearance shortly before the festival. Ticketmaster US
🎶 Sunday, September 27
Erykah Badu — Greek Theatre, Berkeley — 7:00 PM
Yandel — SINFÓNICO — SAP Center, San Jose — 8:00 PM
Eslabon Armado — Amor Nocturno — The Fillmore, San Francisco — 8:00 PM
Lucki with Sk8star — The Warfield, San Francisco — 8:00 PM
Amy Grant — Palace of Fine Arts, San Francisco — 8:00 PM
Marcus Miller — “We Want Miles” Centennial Celebration — SFJAZZ Center — 7:00 PM
Sleep — The Catalyst, Santa Cruz — 8:00 PM
Hot Chip — DJ Set — The Independent, San Francisco — 9:00 PM
SG Lewis + Puffie — The Great Northern, San Francisco — 10:00 PM
HorsegiirL + VTSS + MGNA Crrrta + Two Shell + Kavari — Portola Week event, San Francisco
Fatboy Slim — Portola Week afterparty at 888 Garage
Portola Music Festival — Day 2 — Pier 80, San Francisco, continuing the large electronic/pop weekend. Ticketmaster US
⚠️ One important cancellation
Lionel Richie with Earth, Wind & Fire at Chase Center on Saturday, Sept. 26 has been canceled. The San Francisco Chronicle reported Richie was hospitalized for treatment of atrial fibrillation and the scheduled Chase Center performance was called off.
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