North Sioux City Weather in September
In North Sioux City, September brings high daytime temperatures around 25°C (77°F), with nights cooling to 11°C (52°F). Expect quite a bit of rainfall this month.
Rainfall in North Sioux City in September
Based on our climate data of the past 30 years, about 10 days of rain are anticipated, with 73 mm (2.9 in) on average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in North Sioux City in September
If you're visiting North Sioux City in September, expect perfect temperatures with highs of 25°C (77°F) and overnight lows of 11°C (52°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our North Sioux City's climate page.
North Sioux City Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
25°C (77°F)
Chance of Rain
32%
Precipitation
73 mm (2.9 in)
Rainy days
10 days
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in North Sioux City in September
For North Sioux City in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.What To Do in North Sioux City in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our North Sioux City's climate page.
See the full North Sioux City climate overview or explore weather in the United States of America.
