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Things to Do in South Dakota in September
Real historical weather for South Dakota in September: average highs of 27°C and lows of 15°C, with around 48mm of rain (averaged over the last 3 years).
27°C
Average high
15°C
Average low
48mm
Typical rainfall
Real things to do in South Dakota in September
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Mount Rushmore Memorial Shared Tour from Rapid City, South Dakota
★ 5.0(18 reviews)· 5 hrs
From €146
Badlands and Mount Rushmore Self-Guided Audio Tour Bundle
★ 4.8(5 reviews)· 2 days
From €22
Badlands National Park Self-Guided Driving Audio Tour
★ 4.6(75 reviews)· 2 hrs
From €15
Mt Rushmore Night Ceremony and Tour - with Tunnels and Stargazing
★ 4.5(79 reviews)· 4h 45m
From €267
2026 - Sept 25th - Custer Buffalo Roundup and Corrals
★ 4.3(3 reviews)· 8 hrs
From €222
Badlands National Park Self-Guided Audio Tour
★ 4.2(6 reviews)· 12 hrs
From €12
Dark Deadwood Ghost Tours: Ghosts & Graves of Gunslingers' Gulch
★ 4.1(134 reviews)· 1 hr
From €23
An Epic Scavenger Hunt: Rock and Roll Through Sioux Falls
★ 4.0(1 reviews)· 2 hrs
From €11
Deadwood Wild West Self Guided Smart Phone App Walking Tour
★ 3.9(25 reviews)· 1h 15m
From €9
Admission Ticket to the Dakota Discovery Museum
★ 3.5(2 reviews)· 1h 30m
From €7
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FAQs — South Dakota in September
Based on real historical data (averaged over the last 3 years), expect highs around 27°C and lows around 15°C, with roughly 48mm of rain.