| < September >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Sioux City, Ia in September is very mild at 17.4 °C (63.32 °F).
- Afternoons can be fairly hot with average high temperatures reaching 23.8 °C (74.8 °F).
- Overnight temperatures are generally quite mild with an average low of 11.1 °C (52 °F).
- In September the average diurnal temperature variation/ range is 12.7 °C (22.9 °F).
- The weather in September is somewhat dry. Just 73.2mm (2.9in) of liquid is discharged.
- The shortest day is 11:43 long and the longest day is 13:08 long with an average length of 12:26.
Check the distance to and compare the Sioux City, Ia September averages with somewhere beginning with:
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Weather Trend Graph for September in Sioux City, Ia, Usa
Navigate to September Weather in Locations Surrounding Sioux City, Ia:
- Sioux Falls, South Dakota, Usa - 134.6 kms (83.7 miles) NNW
- Cantonnw, Sd, Usa - 83.6 kms (52 miles) NW
- Vermillion, Sd, Usa - 61.5 kms (38.2 miles) NW
- Hartington, Ne, Usa - 76.3 kms (47.4 miles) WNW
- Wakefield, Ne, Usa - 67.5 kms (42 miles) SW
- Albion, Ne, Usa - 140.4 kms (87.2 miles) WSW
- Oakdale, Ne, Usa - 140.4 kms (87.2 miles) WSW
- Madison, Ne, Usa - 67.5 kms (42 miles) SW
- Norfolk/ Karl Stefan, Ne, Usa - 98.1 kms (61 miles) WSW
- David City, Ne, Usa - 141.8 kms (88.1 miles) SSW
- Crete, Ne, Usa - 163.9 kms (101.8 miles) SSW
- Lincoln, Ne, Usa - 175 kms (108.8 miles) S
- Pipestone, Mn, Usa - 178.1 kms (110.6 miles) N
- Rock Rapids, Ia, Usa - 73.7 kms (45.8 miles) NNE
- Le Mars, Ia, Usa - 73.7 kms (45.8 miles) NNE
- Storm Lake, Ia, Usa - 99.8 kms (62 miles) ENE
- Rockwell City, Ia, Usa - 122.3 kms (76 miles) ESE
- Omaha/ North, Ne, Usa - 118.8 kms (73.9 miles) SSE
- Omaha, Nebraska, Usa - 128.7 kms (80 miles) SSE
- Syracuse, Ne, Usa - 158.9 kms (98.7 miles) SSE