Measurements:
°C
°F
Sioux City
40°F
SE 16 mph
Feels like: 32°F
Precip: 0%
World Resorts USA Sioux City Weather September Weather in Sioux City

Sioux City Weather: September

Average Day Temperature: 83.5°F
Average Night Temperature: 61.4°F
Number of Sunny Days: 20 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.5 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 100°F. The lowest night temperature was 40°F. The average values for day and night temperatures during September were 87.3°F и 57.7°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Sioux City is 0.5 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 10.4 mph. It makes September one of the most windy months of the year for Sioux City.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sioux City in September is 9.6 hours.

Best Time to Visit Sioux City
The most sunny months:
September 20 days
August 18 days
October 18 days
The most warm months:
August 88.8 °F
July 86.0 °F
September 83.5 °F
The most cold months:
January 21.4 °F
February 27.2 °F
December 31.3 °F
The most rainy months:
May 3 days
June 3 days
April 2 days
The most windy months:
April 12 mph
March 11 mph
November 11 mph

Sioux City on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +68
Los Angeles +74
Maui +74
Miami +80
New York +48
San Diego +70
San Francisco +58
Sarasota +74
Tampa +72
Washington +48
24 Hours Weather Forecast
Sioux City
Local time: 15:31
21 nov, thursday
1800 36°F
SE
11 mph
2100 26°F
S
8 mph
22 nov, friday
0000 24°F
SE
6 mph
0300 24°F
SE
6 mph
0600 22°F
SE
6 mph
0900 22°F
S
2 mph
1200 32°F
NE
1 mph
1500 38°F
N
5 mph