Woodside Day of the Horse Woodside Town Hall, 2955 Woodside, Woodside; www.whoa94062.org. 10am-2:30pm, free (progressive trail ride, $40). The Woodside-area Horse Owners Association (WHOA) celebrates Year of the Horse with stagecoach rides, live music, a petting zoo, and more, plus an organized trail ride for experienced riders and their horses to raise money for the organization's charitable community projects.
World Vegetarian Festival SF County Fair Building, 1199 Ninth Ave, SF; www.worldvegfestival.com. 10:30am-8:45pm, free. The SF Vegetarian Society's annual event features cooking demos, exhibitors, speakers, an eco-fashion show, entertainment, and samples galore.
Italian Heritage Parade Begins at Jefferson and Stockton, proceeds on Columbus, and ends in Washington Square, SF; www.sfcolumbusday.org. 12:30pm, free. Established in 1868, this North Beach tradition features handmade floats, a costumed Christopher Columbus and Queen Isabella, Italian music, a Ferrari display, and more.
World Championship Pumpkin Weigh-Off IDES Grounds, 735 Main Street, Half Moon Bay; weighoff.miramarevents.com. 7-11am, free. Who will reign supreme at this 41st annual battle of the bulge, dubbed the "Superbowl of Weigh-Offs"? Last year's champ tipped the scales at 1,985 pounds — that's a lotta pie!
Noe Valley Harvest Festival 24th St between Sanchez and Church, SF; www.noevalleyharvestfestival.com. 10am-5pm, free. This 10th annual shindig aims to help you get a jump on holiday shopping, with over 50 local artisans showing their creations. Also: two stages of music, costume contests for dogs and kids, a dunk tank, a pumpkin patch, and more.
Potrero Hill Festival 20th St between Wisconsin and Missouri, SF; www.potrerofestival.com. 11am-4pm, free. Now in its 25th year, this neighborhood block party features local food and entertainment — including a kick-off Cajun-style brunch ($5-12) with Dixieland jazz — plus pony rides and a bouncy house for kids.
Half Moon Bay Art and Pumpkin Festival Main between Mill and Spruce, Half Moon Bay; www.miramarevents.com. 9am-5pm, free. They don't call Half Moon Bay the World Pumpkin Capital for nothing — the coastal town represents at its 44th annual gourd-tastic throwdown with three stages of music, the Great Pumpkin Parade (Oct 18 at noon), a haunted house attraction, expert Jack O' Lantern carving, and food and drinks galore (pumpkin beer, anyone?)
Sunday Streets: Mission 18th St between Guerrero and Harrison and Valencia between 25th and Duboce, SF; www.sundaystreetssf.com. 11am-4pm, free. Sunday Streets returns to the Mission! Check the website after Oct. 3 for updates on planned activities.
San Francisco's Wharf Fest Fisherman's Wharf, SF; www.sresproductions.com. 11am-6pm, free. Celebrate SF's waterfront history at this event, with a chowder competition, chef demos, ship tours, street performers, fireworks, and more.