South Dakota weather in September
Planning a getaway to South Dakota this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:
What is the weather like in South Dakota in September?
South Dakota is a region in the United States of America. September in South Dakota generally has temperatures that range from pleasant to warm, with precipitation levels ranging from low to moderate.
Based on our climate data spanning from 1990-2020, the average maximum temperature is pleasant in Lead at 21°C to warm in Hot Springs at 26°C. Nighttime temperatures generally drop to 8°C in Hot Springs and 8°C in Lead.
In September, precipitation varies across different areas. From low rainfall in Wall with an average of 29 mm to moderate rainfall in Vermillion with 78 mm.
For specific regional insights in South Dakota for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our South Dakota climate page.
Where to go in South Dakota in September
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Popular destinations in South Dakota
What is the weather like in September for the 5 most popular destinations in South Dakota?
Average weather in Sioux Falls
In September Sioux Falls generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 10°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Pierre
In September Pierre generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 10°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Rapid City
In September Rapid City generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 10°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Deadwood
In September Deadwood generally has pleasant temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 8°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Custer
In September Custer generally has pleasant temperatures with maximum daytime temperatures around 22°C, minimum nighttime temperatures around 7°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Is your destination not in the list? Have a look at other destinations in South Dakota, in the United States of America.
Is September the best time to visit South Dakota?
We consider September to be one of the best times to travel to South Dakota. Typically, the climate in Sioux Falls is perfect.
Generally speaking, the best visiting conditions can be found in May, July, August and September offering mostly perfect weather in Sioux Falls. The weather in January, February, March and December, on the other hand, tends to be poor.
Interested in more climate information?
We have much more information about the climate in South Dakota.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.