Cue the confetti! San Francisco Women Artists Gallery (SFWA) will mark its 100th year with a centennial celebration on Saturday, Sept. 13 from 1 to 6 p.m. at its gallery at 647 Irving St. Enjoy artist demonstrations, refreshments and raffles while admiring the current exhibit, “Second Summer.” SFWA has been a vibrant part of the neighborhood arts scene since it relocated to the Inner Sunset in 2015. Learn more at sfwomenartists.org.