HAPPENIN’ OTSEGO for MONDAY, SEPTEMBER 18 Fall Market in Bainbridge FALL MARKET—4-7 p.m. Bainbridge Farmers’ Market. 47 North Main Street, Bainbridge. (607) 624-5260 or visit https://www.facebook.com/bainbridgefarmersmarket/ BLOOD DRIVE—Noon-5 p.m. Hunt College Union, SUNY Oneonta. www.RedCrossBlood.org…