Sioux Falls weather in September (South Dakota, United States of America)
Looking to travel to Sioux Falls in September? Here's what the weather might have in store during this month.
In Sioux Falls the weather in September is generally perfect, with high temperatures and moderate rainfall. Daytime temperatures hover around 24°C, while nights can cool down to about 10°C.
Sioux Falls in September usually receives moderate rainfall, averaging around 71 mm for the month. Typically around 9 days of rainfall is expected.
If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Sioux Falls. May, July, August and September typically offer the most agreeable circumstances. On the other hand, January, February, March and December tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Sioux Falls climate page with graphs.
Sioux Falls, monthly averages in September
Min Temperature
10°C
Max Temperature
24°C
Chance of Rain
30%
Precipitation
71 mm
Rainy days
9 days
Humidity
69%
Where to go in the United States of America in September
Find out more about the weather in the United States of America in September and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Sioux Falls in September?
For visitors traveling to Sioux Falls, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Sioux Falls.
Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find 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.
