September Bay Area Family Fun

September in the Bay Area is packed with kid-friendly fun! Here’s your guide to the best family-friendly events happening this September, with dates you’ll want to save to your calendar.

Imaginarium in Pleasanton

SF Giants Game

Dahlia Garden

Pumpkin Patches opening for the season

Monday, September 1 & All Month Long

• Imaginarium (in Pleasanton) - discount code: JENINE10 (now through October 26)

• Flower piano at GGP Botanical Garden sept 12 - 21

• Balloon Museum at Palace of Fine Arts (SF) ends 9/28

• SF Giants games (several home games all month long)

• Apple Picking Season

• Dahlia Garden in Golden Gate Park at peak bloom

• Get tickets for a Halloween Train

  
  

Wednesday, September 3

• Free Day at Bay Area Discovery Museum (Sausalito)

• Ardenwood Toddler Time (Fremont)

Thursday, September 4

Free First Thursdays at SFMOMA (Bay Area Residents)

Friday, September 5

• Friday Nights at OMCA with Alphabet Rockers

• First Friday at CuriOdyssey (San Mateo)

Saturday, September 6

• Home Depot Kids Workshop (multiple locations)

• Castro Valley Fall Fest

• Ember Stomp Festival in Marin

• Redwood Empire Live Streamers in Santa Rosa

• Family Yoga at Google Visitor Experience (Mountain View)

Sunday, September 7

• Magical Bridge Palo Alto Community Partner Day

• Viva Calle SJ

• ConnectFest at Children’s Creativity Museum in SF ft Alphabet Rockets

• Garin Apple Festival in Hayward

• Artsy Pants Taste Safe Sensory Bin Pop-up in Sunnyvale

• Redwood Empire Live Streamers in Santa Rosa

Saturday, September 13

• Silicon Valley Fall Fest

• Chitactac Family Day in Gilroy

• Chabot Space Center Family Nature Adventures

• Rotary Playground 10th Anniversary Celebration in SJ

• Vallejo Kite Festival

Sunday, September 14

• CuriOdyssey Sensory Sunday

• Free Family Day at Marin Moca

• Sensory Play Hangout with Oogubi (SF)

• Animal Assisted Happiness Open to the Public (Sunnyvale)

• Community Day at The Tech Interactive in San Jose ($5 admission!)

Wednesday, September 17

Tilden Farm Tot Time

Thursday, September 18

• Spinas Farm Opening Day (Morgan Hill)

• Free Drive-In Movies at West Wind

• Newark Days Celebration 9/18 - 9/21

Saturday, September 20

• Mickelson Pumpklin Patch in Petaluma opens

• Google Visitor Experience Summer Festival (Mountain View)- FREE

• Kids Day in the Park (San Jose)

• Lakeshore Learning Free Kids Event ( at a nearby location)

Sunday, September 21

• Mommy & Me Yoga and Play at Lo’s Playtown in Benicia

• Gabby dollhouse live show in SF

• Sensory Play at Oogubi Hangout (SF)- discount code: Toddlersplay10

Wednesday, September 24

Fall Harvest Festival at Three Nunns Farm in Brentwood, 9/24 to 11/2

Friday, September 26

• Opening Day for Patchen Farm in Los Gatos

• Walnut Creek Oktoberfest

• Gilroy Garden's Great Big Boo opening day til Nov 2

Saturday, September 27

• Opening Day: Rancho Siempre Verde in Pescadero 9/27 to 10/26

• Fall Bike Fest in Cupertino

• Walnut Creek Oktoberfest

• Habitot Mobile Pop-up at Prescott Marketplace for Worldwide Day of Play

• SF Chinatown Autumn Moon Festival

Sunday, September 28

• Marine Science Sundays at The Marine Mammal Center

• Last Day for Balloon Museum (San Francisco)

• SF Chinatown Autumn Moon Festival

• Great Big Family Play Day (San Jose)

Be sure to double-check details directly with event hosts before heading out, as dates and times can sometimes change or events may be cancelled. I’ve done my best to round up the highlights, but I can’t be responsible for any changes.

👉 Save this list, share it with a friend, and start planning your next family outing!