La Mirada Youth Fishing Derby | La Mirada Regional Park, La Mirada

September 19: Cast a line at the annual La Mirada Youth Fishing Derby at La Mirada Regional Park. The lake is generously stocked, a free pancake breakfast kicks off the morning, and fishing lessons are provided by the California Department of Fish and Wildlife. Only youth fish, but the whole family is invited. FREE!

Dates:
Location:
La Mirada Regional Park 13701 Adelfa Drive, La Mirada, CA
+ Google Map
Cost:
Free

Chalktastic | Whittier City Hall, Whittier

September 19: Create chalk art on a 4x4-foot concrete square at this free outdoor event at Whittier City Hall. Artists of all ages receive a free chalk kit and kneeling pad upon registration. Watch professional demonstrations, play games, listen to music, and enjoy food on-site. Prizes awarded by age group and a People's Choice Award. FREE!

Dates:
Location:
Whittier CIty Hall 13230 Penn St., Whittier, CA
+ Google Map
Cost:
Free

City Celebration | Empty Saddle Club, Rolling Hills Estates

September 19: Enjoy an outdoor family festival with equestrian events, pony and horse rides, a petting zoo, hay rides, a stick horse rodeo, a rock wall, corn pits, a magician, a reptile show, face painting, picnic games, and food vendors. An all-day activities wristband is $15 online or $20 at the event. Event entry is FREE!

Dates:
Location:
The Empty Saddle Club 39 Empty Saddle Road, Rolling Hills Estates, CA
+ Google Map
Cost:
Free

Discovery Zone | Madrona Marsh Nature Center, Torrance

Third Saturday: Explore a hands-on space where kids can touch feathers, match animal tracks, build food webs, and learn how wetlands support plants, animals, and people. Through simple science activities and real marsh artifacts, young explorers discover why protecting nature matters. FREE!

Dates:
Discovery Zone | Madrona Marsh Nature Center, Torrance
Location:
Madrona Marsh Preserve 3201 Plaza Del Amo, Torrance, CA
+ Google Map
Cost:
Free

Buena Park Culture Fest and Parade | Boisseranc Park, Buena Park

September 19: Celebrate cultural heritage with live performances, community booths, food, and family-friendly activities — plus a brand-new parade through the streets of Buena Park. FREE!

Dates:
Location:
Henry Boisseranc Park 7520 Dale St., Buena Park, CA
+ Google Map
Cost:
Free

I Love Downey Festival | Downey

September 19: Celebrate Downey's 70th anniversary with live bands, an art exhibition, a beer & wine garden, community booths, giveaways, and local food vendors. FREE!

Dates:
Location:
I Love Downey Festival Between 2nd & 4th St., Downey, CA
+ Google Map
Cost:
Free

Astronomy Night | Columbia Memorial Space Center, Downey

September 19: Explore the night sky with telescope viewing and an expert speaker presentation at this monthly astronomy event celebrating National Observe the Moon Night. FREE!

Dates:
Location:
Columbia Memorial Space Center 12400 Columbia Way, Downey, CA
+ Google Map
Cost:
Free

Kidz Bop Live Birthday Concert Event | F&M Bank Amphitheater, Long Beach

September 20: Celebrate KIDZ BOP's 25th anniversary with a live birthday concert featuring the KIDZ BOP Kids performing pop hits and throwback favorites. DJ KB opens the show with a dance party, and the fan-favorite Daddy Dance Off makes its return.

Dates:
Location:
F&M Bank Amphitheater 1051 Queens Hwy., Long Beach, CA
+ Google Map

Kids Run the Bases | Dodger Stadium, LA

Select Sundays, June 21 - September 20: Kids Run the Bases gives children (ages 5-14) the chance to run the bases after most Sunday afternoon games. 

Dates:
Location:
Dodger Stadium 1000 Vin Scully Avenue, Los Angeles
+ Google Map

Fiesta Alhambra 2026 | Alhambra Farmers Market, Alhambra

September 20: Celebrate Latino and Hispanic Heritage Month with live music, cultural performances, artisan vendors, family-friendly activities, and local produce at Alhambra Farmers Market.

Dates:
Location:
Alhambra Farmer's Market 100 S. 2nd St., Alhambra, CA
+ Google Map

Orange County Children’s Book Festival | Orange Coast College, Costa Mesa

September 20: Explore books, meet authors, and catch live performances and author read-alouds at this free, one-day literary festival at Orange Coast College. Special guest StoryTeller from KidTime StoryTime performs, and the OCC Planetarium hosts a headliner presentation including a Magic Tree House program. FREE!

Dates:
Location:
Orange Coast College 2701 Fairview Road, Costa Mesa
Cost:
Free

12th Annual Bob Baker Day | LA State Historic Park, Los Angeles

September 20: Celebrate the legacy of Bob Baker with a free all-day festival featuring puppets, art, interactive activities, crafts, artisans, vendors, and food. The Hooray LA Village includes free art activities, educational offerings, and storytelling programs, plus a quiet book nook from the Los Angeles Public Library. FREE!

Dates:
Location:
Los Angeles State Historic Park 1245 N Spring Street, Los Angeles, CA
+ Google Map
Cost:
Free

Fall Festival | Westminster Civic Center, Westminster

September 24-27: Enjoy carnival rides, live entertainment, food, Lotería, a drone show, Moon Lantern Celebration, local shopping, and more. FREE!

Dates:
Location:
Westminster Civic Center 8200 Westminster Blvd, Westminster, California
+ Google Map
Cost:
Free

Lucha Libre Live | Museum of Latin American Art, Long Beach

September 25–27: Lucha Libre returns to the Museum of Latin American Art for a multi-day weekend of wrestling, live cumbia music, a book launch, film screenings, a marketplace, and special meet and greets.

Dates:
Location:
Museum of Latin American Art 628 Alamitos Ave., Long Beach, CA
+ Google Map

Taiwan Carnival 2026 | STC Anaheim GardenWalk, Anaheim

September 25–27: Taste authentic Taiwanese street food, try carnival games, and watch live cultural performances at this free three-day festival. A traditional Taiwanese Puppet Show, is featured on Sunday. FREE!

Dates:
Location:
Anaheim GardenWalk 400 West Disney Way, Anaheim, CA
+ Google Map
Cost:
Free

SoCal Fitness Festival | Huntington Beach Pier, Huntington Beach

September 25–27: Head to the Huntington Beach Pier for a three-day fitness and wellness festival featuring elite CrossFit, strongman, weightlifting, and hybrid fitness competition alongside a free Dreamers Market, kids fitness classes, live music, and a special appearance by Gabi Butler from Netflix's "Cheer."

Dates:
Location:
Huntington Beach Pier 325 Pacific Coast Hwy., Huntington Beach
+ Google Map

Happy Moon Festival | Mathis Home, Irvine

September 25: Celebrate Mid-Autumn Festival with free arts and crafts, Chinese calligraphy, mooncake and tea tasting, festival games, and live cultural performances including a dragon and lion dance and a guzheng and pipa duo. FREE!

Dates:
Location:
Mathis Home (Irvine) 13300 Jamboree Road, Irvine, CA
+ Google Map
Cost:
Free

Science Showtime at Golden West College

September 25: Make slime, control robots, and create exploding gummy bears at the Science Nite at Golden West College. FREE!

Dates:
Location:
Golden West College 15744 Goldenwest St., Huntington Beach
Cost:
Free

Mid-Autumn Festival | Great Park, Irvine

September 25: Celebrate the sixth annual Mid-Autumn Festival with performances, cultural displays, hands-on crafts, and food. This free event honors traditions celebrated by many East and Southeast Asian cultures. FREE!

Dates:
Location:
Great Park - City of Irvine 8000 Great Park Blvd., Irvine, CA
+ Google Map
Cost:
Free

Moon Festival | Heritage House, Riverside

September 25: Celebrate Asian cultures with moon cakes, lanterns, and traditions rooted in the ancient harvest season. This Moon Festival highlights the history of Chinese Americans in Riverside's citrus industry. FREE!

Dates:
Location:
Heritage House 8193 Magnolia Ave., Riverside, CA
+ Google Map
Cost:
Free

Mid-Autumn Moon Celebration at The Huntington

September 25-27: Experience lanterns, performances, and seasonal traditions at night.

Dates:
Location:
The Huntington Library, Art Museum, and Botanical Gardens 1151 Oxford Road, San Marino
+ Google Map
Cost:
$40

Love Letters to L.A. – Autry’s Annual Block Party | The Autry, Los Angeles

September 26: Celebrate L.A. at the Autry Museum's annual block party with live music, cultural performances, Dino Land, a PBS Nature Cat meet and greet, carnival rides, a classic car show, film screenings, and more. Tickets are priced at 1988 opening-day rates.

Dates:
Location:
Autry Museum of the American West 4700 Western Heritage Way, Los Angeles, CA
+ Google Map

Stories Under the Stars | Malibu Creek State Park, Calabasas

September 26: Celebrate 50 years of Malibu Creek State Park with an evening of fossil observation, tree exploration, art-making, and storytelling from tribal members, scientists, and historians. The night wraps up with a star party and anniversary cake. FREE!

Dates:
Location:
Malibu Creek State Park 1925 Las Virgenes Road, Calabasas, CA
+ Google Map
Cost:
Free

Cypress Community Festival | Oak Knoll Park, Cypress

September 26: Check out a classic car show, taste entries in the chili and salsa contest, and browse vendor booths. The kids area features a rock wall, bounce houses, an obstacle course, large slides, cow milking, and toddler inflatables. FREE!

Dates:
Location:
Oak Knoll Park 9600 Graham St., Cypress, CA
+ Google Map
Cost:
Free

Pacific Islander Festival | Ski Beach, San Diego

September 26-27: Celebrate the cultures and traditions of Melanesia, Micronesia, and Polynesia at Ski Beach with traditional music, dance performances, cultural workshops, and authentic island food and craft vendors. FREE!

Dates:
Location:
Ski Beach - San Diego San Diego, CA
+ Google Map
Cost:
Free

35 Years of Speed: The Sonic Art Exhibit | ARK/8, Los Angeles

September 26–27: Celebrate 35 years of Sonic the Hedgehog with a curated art exhibit featuring newly imagined pieces from 30+ renowned artists, fan submissions, and historical artwork from SEGA's archives. The creator of Amy and Metal Sonic, Kazuyuki Hoshino-san, will be on hand for a meet and greet on September 26. FREE!

Dates:
Location:
ARK/8 115 S. La Brea Ave., Los Angeles, CA
+ Google Map
Cost:
Free

LEGO Pokémon SMART Play Experience | The Americana at Brand, Glendale

September 26–27: Choose a LEGO® Pokémon™ partner, then nurture, train and battle in a hands-on SMART Play™ experience. Receive official trainer status, catch set demonstrations and snap photos with LEGO Pokémon creatures. FREE!

Dates:
Location:
The Americana at Brand 889 Americana Way, Glendale, CA
+ Google Map
Cost:
Free

Long Beach Youth Adventure Festival | Camp Fire Long Beach, Long Beach

September 26: Climb a rock wall, shoot a bow, race a pinewood derby car, roast a s'more, and explore dozens of hands-on activity booths run by local youth organizations. A youth craft market with 40 kid-run vendor booths and food trucks are also on site. FREE!

Dates:
Location:
Camp Fire 7070 E. Carson St., Long Beach
+ Google Map
Cost:
Free

Salute to Firefighters Festival | Warner Center Park, Woodland Hills

September 26: Honor local firefighters and sample signature dishes from 15+ LAFD fire stations at this free community festival. Watch live firefighting demonstrations, catch a classic car show, and enjoy live music and family activities. FREE!

Dates:
Location:
Warner Center Park 5800 Topanga Canyon, Woodland Hills, CA
+ Google Map
Cost:
Free

Worldwide Day of Play | Southern California Children’s Museum, Pasadena

September 26: Celebrate a global day of play with free hands-on activities at Southern California Children's Museum, including water tables, bubble blowing, a Paw Patrol obstacle course, sensory bins, and more. FREE!

Dates:
Location:
Southern California Children's Museum 459 E. Colorado Blvd., Pasadena, CA
+ Google Map
Cost:
Free

Pasadena Chalk Festival | Brookside Park, Pasadena

September 26–27: Watch hundreds of skilled artists create large-scale chalk murals spanning styles from whimsical illustrations and character art to portrait work and recreations of masterpieces. Walk up to artists as they work and see the murals come to life up close. FREE!

Dates:
Location:
Brookside Park (Pasadena) 360 N Arroyo Blvd., Pasadena, CA
+ Google Map
Cost:
Free

Public Safety and Emergency Preparedness Expo | Lakewood Civic Center, Lakewood

September 26: Meet first responders, explore fire trucks, sheriff's vehicles, and the Sky Knight helicopter at this free community expo. Learn emergency preparedness tips for homes and pets, plus crime prevention strategies — and kids can enjoy a family fun zone. FREE!

Dates:
Location:
Lakewood City Hall 5050 Clark Ave., Lakewood, CA
Cost:
Free

Disclaimer: The Kidsguide team does their best to keep event details accurate at the time of posting, but information can change without notice! Be sure to double-check with the event organizer before heading out. Kidsguide is not responsible for any errors, omissions, or changes on our calendar—we’re just here to help you find the fun!