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Things to Do in Washington in September
Real historical weather for Washington in September: average highs of 26°C and lows of 16°C, with around 111mm of rain (averaged over the last 3 years). Washington is in United States.
26°C
Average high
16°C
Average low
111mm
Typical rainfall
Real things to do in Washington in September
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Private Washington DC City Tour
★ 4.9(1,654 reviews)· 4 hrs
From €491

Washington DC Small-Group Sightseeing Experience
★ 4.9(1,306 reviews)· 4 hrs
From €88

Washington DC "See the City" Guided Sightseeing Segway Tour
★ 4.9(2,000 reviews)· 2h 30m
From €62

Evening Colors Sunset Sail Tour in Seattle
★ 4.8(665 reviews)· 2 hrs
From €58

Washington DC Monuments Bike Tour
★ 4.8(875 reviews)· 3 hrs
From €58

Washington DC in One Day: Guided Sightseeing Tour + boat cruise
★ 4.7(3,646 reviews)· 6 hrs
From €79

George Washington's Mount Vernon Gardens & Grounds Admission
★ 4.3(357 reviews)· 4 hrs
From €27

Discover Seattle: A Self-Guided Tour
★ 3.7(3 reviews)· 8h 30m
From €1

Bubble Planet Immersive Interactive Experience in Washington DC
★ 3.6(19 reviews)· 1h 30m
From €24

Washington Nationals Baseball Game Tickets
★ 3.4(5 reviews)· 3 hrs
From €17
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FAQs — Washington in September
Based on real historical data (averaged over the last 3 years), expect highs around 26°C and lows around 16°C, with roughly 111mm of rain.