Enjoy a four-course dinner with SoutHampton beer pairings at CommonWealth gastropub. The menu includes mussels with double-white beer, shallots, leeks, and garlic; a grilled Duroc pork chop; and fresh ricotta cheese with wildflower honey. $45. Call 202-265-1400 for reservations. 7 PM.
Enjoy an outdoor screening of the documentary The September Issue, which chronicles Vogue editor-in-chief Anna Wintour’s preparations for the 2007 fall fashion issue and, more important, showcases her famously prickly personality. Treats will be available before the screening at Urban Chic Bethesda, where you’ll also receive 15 percent off the latest fall styles. Meet on Bethesda Lane across from the Apple store. Folding chairs are provided. 7 PM; free.
The Liaison Capitol Hill hotel is hosting a rooftop pool party called Step Out, Jump In. Enjoy free appetizers, personal trainers, and an information session on the Step Out Walk to Fight Diabetes at Nationals Park (October 23). Proceeds benefit the American Diabetes Association. Suggested donation $10; 5 PM.