September in Sonoma is packed with energy, art festivals, food and wine celebrations, and community traditions that make this season unforgettable.
Labor Day Family Hike at Sugarloaf Ridge
September 1, 2025
Kick off Labor Day with a guided, family-friendly hike through the scenic trails of Sugarloaf Ridge State Park. A refreshing way to start the season together. (Check the park’s website for registration and trail details.)
Sonoma Plein Air Festival
September 8–13, 2025
Join nationally-renowned artists painting en plein air across Sonoma Valley, culminating in a lively art show and sale at the historic Sonoma Plaza. On Friday, Sept 12, the Gala at Beltane Ranch is a highlight, featuring wine, passed hors d’oeuvres, a silent auction, live music, and even a short film premiere.
Transcendence Theatre Company – Ladies of Broadway
September 4–14, 2025
Jack London State Historic Park transforms into a magical outdoor stage for a musical tribute to Broadway’s leading ladies. Bring a blanket, soak up the stars, and let live theatre set the tone for fall evenings.
Farmers Market & Strings Attached at Depot Park
September 5, 2025
Saturday mornings in Sonoma feel best with fresh produce and live music. The Certified Farmers Market pairs perfectly with Strings Attached at Depot Park, an easy joyful outing that captures the Valley’s laid-back spirit.
Sonoma County Wine Celebration & Auction
September 19–20, 2025
Sip, support, and savor. This beloved fundraising event includes intimate pre-auction gatherings and culminates with a lively auction at Cline Family Cellars. It’s community, wine, and generosity in perfect harmony.
Valley of the Moon Vintage Festival
September 25–27, 2025
Held at the Historic Sonoma Plaza and Viansa Winery, this historic festival features a 5K fun run, artisanal fair, grape stomps for the kids, live music, and the traditional Blessing of the Grapes. Best of all, daytime festivities are free and open to all.
Indulge Sonoma – Culinary & Beverage Festival
September 27, 2025
This immersive, 21+ tasting event brings together over 50 of Sonoma County’s best chefs, wineries, breweries, distilleries, and artisans under one roof, an afternoon of indulgence that tastes like a love letter to Sonoma’s food and beverage scene.
Sonoma in September
Whether you’re drawn to the track, the vineyards, or a theatre under the stars, September is a month to celebrate the Sonoma lifestyle.
Thinking about making Sonoma your home base or finding the perfect neighborhood close to your favorite events? Our experienced Sonoma Realtors are here to help. From historic homes near the Plaza to vineyard retreats, we’ll connect you to the heart of this community.
