SIGN UP FOR MY EMAIL TO RECEIVE YOUR FREE SAN FRANCISCO PLANNING GUIDE.
Sonoma Events in September 2025: Festivals, Wine Tasting Parties, and More
by Jill Loeffler •
Sonoma events in September 2025 include the Petaluma River Craft Beer Festival, the Healdsburg Arts Festival, and the Petaluma Antique Faire.
Other top activities include wine tasting parties at local wineries, a few fun nightlife options, and other large festivals this month.
My calendar includes things to do in Santa Rosa, Healdsburg, Rohnert Park, and other locations in Sonoma County.
Read on for a full schedule of events this month.
Disclaimer: I receive a small commission from some of the links on this page.
Petaluma River Craft Beer Festival
Date: TBD
Times: 1 - 5 pm
Sample hand-crafted beers from more than 20 local brewers at this annual beer tasting event. It's one of my favorite sudsy Sonoma events in September where you can support local producers in historic downtown Petaluma.
The event is along the river and also includes food and entertainment.
They start pouring beer at 1 pm and will close at 5 pm.
Wine Tasting Parties in September 2025
You will find plenty of wine tasting parties on this calendar of Sonoma events in September. You will get the chance to taste exclusive library wines, eat paella, and celebrate harvest. Other fun events include picking parties, hikes in the vineyard, and lobster boils.
Alexander Valley Vineyards (9/13): Let's Crush It 2025, from 9 am to 2 pm, pick grapes, grape stomping tournament, live music, lunch paired with wines
Amista Vineyards (9/20): Harvest Celebration
Book Your Hotel in Sonoma County
Make sure to check out the deals available this month in Sonoma before you book your room. Options include discounts on your hotel room rate or free amenities such as breakfast or parking. By clicking on the links below, you can also read recent guest reviews to get a great feel for what it's like to stay at each hotel in Sonoma.
Booking.com: Save on your Hotel in Sonoma with Booking.com, Planet Earth's #1 Accommodation Site. No booking fees ever!
TripAdvisor: What's the #1 hotel in Sonoma County? Read reviews & find hotel deals on TripAdvisor!
VRBO: You can also find some great places to stay on VRBO. They offer apartments, houses, cottages, and rooms for rent all around Sonoma County. Find some great places to stay here.
Railroad Square Music Festival
Date: TBD
The Railroad Square Music Festival is a fun afternoon of free music in Santa Rosa.
The event is in Santa Rosa's Railroad Square and runs from Noon to 7:30 pm.
The event is hosted by The North Bay Hootenanny and sponsored by many local businesses.
>> Visit the official site for more details
Clo Cow Half Marathon, 10k, and 5k
Date: TBD
This fun, annual footrace offers different distances for different levels, all beginning and ending in downtown Petaluma.
The half marathon starts at 7:30 am, while the 10k starts at 7:35 am and the 5k starts at 7:40 am.
This is one of the great family-friendly Sonoma events in October, featuring meet-and-greet opportunities with Clo the Cow herself! Wearing your cowbell finisher medal, how could you say no to a glass of Clover chocolate milk in your post-race celebration?
St. George's Greek & Middle Eastern Food Festival
Dates: TBD
Sonoma County is known mostly for the gorgeous valleys, the great wines, and the local fairs. However, they also know how to live life to the fullest and enjoy a great Greek and Middle Eastern food festival.
As would be expected this festival is dolma-packed (how could someone write jam-packed?) with the best middle eastern food this side of the old country.
This is another one of the Sonoma events in August that has DJs and live music, church tours, and live dance performances for everyone to enjoy. And, again, it has middle eastern and Greek food!
It is located in Rohnert Park just about an hour north of San Francisco and runs from noon to 7 pm each day. OPA!
More Fun Things to Do in Sonoma
In addition to all of these great Sonoma events in September, you will also find several fun things to do all around this gorgeous wine region every day. These are just a few of my favorites.
Sonoma Wine Country Bike Tour: Ride through Sonoma Wine Country on this 4.5 hour tour, starts in Santa Rosa and takes you to visit two to three wineries, entire trip is about 16-miles (25.7 km), route is mostly flat, check for availability
Food & Wine Walking Tour: Walking and food tour of Sonoma which stops at several gourmet spots for tastings, check for availability
Sonoma County Wine Auction
Dates: 9/18 - 9/20
The annual Sonoma County Wine Auction offers you a chance to sample tasty local wines as you help raise money for the community.
This event features a Preview Party, Vintner Dinners, and a large auction. This year's events are held at the gorgeous La Crema Estate at Saralee's Vineyard.
Pick up your tickets early.
>> Find tickets on their website
Petaluma Antique Faire
Date: TBD
Antique collectors and lovers will once again enjoy the selection at this year's Antique Faire.
Petaluma has a lot of the top Sonoma events in September, and this is another great one.
Head downtown to admire antiques from more than 200 dealers. You never know what you might find!
The event runs from 8 am to 4 pm and is free for all to attend.
Sonoma Events in September: Live Music & Nightlife
The two best places in Sonoma to see larger name bands on stage are in Santa Rosa and Rohnert Park. Click the links below for ticketing details for each show.
Santa Rosa
Rohnert Park
Tasting Deals in Sonoma
If you miss these Sonoma events in September, but still plan to do some tasting during your stay, make sure to check out these great deals. They give you a chance to do even more tasting without breaking the bank.
Battaglini Winery & Vineyard: $5 Buys You a Coupon for $5 Off a Wine Tasting for Two Plus 20% Off a Bottle of Wine, near Santa Rosa, check for availability
Harvest Moon Estate And Winery: Save on their wine and cheese tasting plates for one, two or four people, near Santa Rosa, check for availability
*Note: Most deals last for 120 days after purchase, so make sure to check the exact terms before purchasing.
Comments? Questions? Suggestions?
I would love for you to join me in my private Facebook group!
It's a great place to interact with me and others who know the area well.
You can ask questions, get advice for your upcoming stay, and then share your photos and advice with others when you return home. It's a great community and the fastest way to get answers to those nagging questions about your visit!