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South Dakota United States of America
Precipitation in September
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September Rainfall Precipitation in South Dakota

South Dakota is a region in the United States of America. In September precipitation ranges from low in Wall with 29 mm of rainfall to moderate in Vermillion with 78 mm of rainfall.

Where and how much does it rain in South Dakota in September?

Find the average total precipitation in September for the most popular destinations in South Dakota on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much rainfall does South Dakota receive in September?
    • During September, Sioux Falls often sees a mix of wet and dry days, with an average rainfall of around 71 mm.

  • What is the wettest city in September in South Dakota?
    • Based on our records, Vermillion is the location with the highest average precipitation, receiving about 78 mm.

  • What is the driest city in September in South Dakota?
    • Based on our records, Wall registers the lowest average precipitation, with only 29 mm.

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