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Today Hourly 7 days 30 days September
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September 2026 Weather | Sioux Falls, South Dakota

Tue 9/1
Sunny Weather
Day 84°
Night 64°
Wed 9/2
Sunny Weather
Day 86°
Night 66°
Thu 9/3
Cloudy Weather
Day 86°
Night 66°
Fri 9/4
Sunny Weather
Day 84°
Night 64°
Sat 9/5
Cloudy Weather
Day 84°
Night 64°
Sun 9/6
Cloudy Weather
Day 84°
Night 64°
Mon 9/7
Cloudy Weather
Day 86°
Night 61°
Tue 9/8
Sunny Weather
Day 79°
Night 61°
Wed 9/9
Sunny Weather
Day 81°
Night 61°
Thu 9/10
Sunny Weather
Day 82°
Night 61°
Fri 9/11
Cloudy Weather
Day 84°
Night 61°
Sat 9/12
Cloudy Weather
Day 79°
Night 59°
Sun 9/13
Cloudy Weather
Day 72°
Night 54°
Mon 9/14
Cloudy Weather
Day 70°
Night 54°
Tue 9/15
Cloudy Weather
Day 70°
Night 57°
Wed 9/16
Cloudy Weather
Day 72°
Night 55°
Thu 9/17
Rainy Weather
Day 72°
Night 50°
Fri 9/18
Cloudy Weather
Day 82°
Night 46°
Sat 9/19
Cloudy Weather
Day 84°
Night 43°
Sun 9/20
Rainy Weather
Day 77°
Night 43°
Mon 9/21
Rainy Weather
Day 66°
Night 45°
Tue 9/22
Cloudy Weather
Day 70°
Night 48°
Wed 9/23
Sunny Weather
Day 72°
Night 55°
Thu 9/24
Cloudy Weather
Day 75°
Night 55°
Fri 9/25
Cloudy Weather
Day 79°
Night 55°
Sat 9/26
Cloudy Weather
Day 79°
Night 54°
Sun 9/27
Cloudy Weather
Day 77°
Night 46°
Mon 9/28
Stormy Weather
Day 75°
Night 41°
Tue 9/29
Rainy Weather
Day 63°
Night 37°
Wed 9/30
Rainy Weather
Day 61°
Night 37°

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