Mukilteo Lighthouse Festival Art Show: 6:30 to 9 p.m. Sept. 6 is the patrons’ preview party, art show is Sept. 7 through 9. Mukilteo; 425-423-0450, www.mukilteofestival.org.
Mukilteo Lighthouse Festival: Sept. 7 to Sept. 9. Rosehill Community Center, 304 Lincoln St., Mukilteo; food, parades, kids’ activities, lighthouse tours, fireworks and more; 425-353-5516, www.mukilteofestival.org.
Barbecue, cruise through town and dragstrip car show: Barbecue and cruise, 6:30 p.m. Sept. 7, at airport’s ultralight entrance, free; car show 9 a.m. to 4 p.m. Sept. 8, Arlington Airport, 17622 49th Place NE, Arlington; 360-435-4442.
Hot Autumn Nites: A classic car show featuring more than 400 cars, 9 a.m. to 5 p.m. Sept. 8. Downtown Edmonds; 425-776-6711, www.edmondswa.com.
Washington Koi &Water Garden Society koi show: Annual fall show of koi and backyard water gardens, 10 a.m. to 6 p.m. Sept. 8, 10 a.m. to 2 p.m. Sept. 9. Country Village, 23732 Bothell-Everett Highway, Bothell; 425-483-2250, www.washingtonkoi.org.
Lake Union Boats Afloat Show: Featuring more than 450 power and sail boats, Sailfest Northwest, Pro/am sailing races, free sailboat rides, classic boat collection, children’s activities, free seminars, Sept. 12 through 16. Chandler’s Cove, Seattle; www.boatsafloatshow. com.
Lake Union Wooden Boat Festival: 10 a.m. to 6 p.m. June 30 and July 1, 2, and 4, free vessel inspections, water safety education, kayaking and other clinics, Seattle; www.boatsafloatshow. com.
Washington State Hunter &Jumper Fall Classic Annual equestrian event, Sept. 11 through 16. Evergreen State Fairgrounds, 14405 179th Ave. SE, Monroe; 425-388-3200, www.evergreenfair.org.
Pioneer Days: 1 to 4 p.m. Sept. 15. Stillaguamish Pioneer Museum, 20722 67th Ave. NE, Arlington; 360-435-7289, www.stillymuseum.org.
Red Bull Soapbox Race: Gates open 11 a.m. Sept. 29, race goes along Fremont Avenue in Seattle; www.redbullsoapboxusa.com.
Harvest Party: Noon to 2 p.m. Oct. 13, York Park, Arlington; 360-403-0149, 360-403-3448.