Is September a good month to visit Washington DC?

September sits in the autumn period, so trip quality depends on your preferred weather, crowd levels, and pace.

What should I pack for Washington DC in September?

Average highs around 26C and lows near 16.7C. Pack quick-dry clothing and a light waterproof layer for September.

What weather should I expect in Washington DC during September?

September typically averages around 21.4C, with about 117.6mm of rain across 11 days.

Washington DC, United States

Washington DC in September

Washington DC, United States

Visiting Washington DC in September means experiencing the autumn. During autumn, Washington DC offers crisp air, changing colours, and a cosy atmosphere.

SeasonAutumn

Travel StyleParadise

Cost$$

Weather in Washington DC in September

Average highs around 26C and lows near 16.7C. 117.6mm average precipitation and about 11 rainy days. September typically sits between August and October conditions, so it is useful for travelers wanting a balanced window in Washington DC. Pack quick-dry clothing and a light waterproof layer for September.

Avg High26C