FallPeak season ~79°F highs

Things to do in Arlington in September

September is one of the best months to visit Arlington, with average highs around 79°F. Crisp air and changing leaves make parks and viewpoints shine.

Plan a September weekend Where else in September

Best picks for September

What's famous here, weighted toward what shines in September.

George Washington's Mount Vernon

Bags/containers larger than 16x16x8" are prohibited, and all bags are subject to inspection.

2Foliage walks

Arlington House, The Robert E. Lee Memorial

historic Custis family mansion operated by the U.S. National Park Service, located within Arlington National Cemetery

Holidays in September 2027

Labour Day · Mon, Sep 6

Expect busier roads and pricier stays around these dates. See long weekends.

Also great in September in Virginia

Richmond Virginia Beach Roanoke Harrisonburg Lynchburg

Arlington in September: quick answers

Is September a good time to visit Arlington?

September is one of the best months to visit Arlington, with average highs around 79°F. Crisp air and changing leaves make parks and viewpoints shine.

What is the weather like in Arlington in September?

Average daytime highs are around 79°F, compared with 89°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.

What are the best things to do in Arlington in September?

Top picks for September: George Washington's Mount Vernon, Arlington House, The Robert E. Lee Memorial, United States Marine Corps War Memorial, George Washington Birthplace National Monument, Pentagon Memorial.