| < 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 Dubuque, Ia in September is very mild at 16.4 °C (61.52 °F).
- Afternoons can be really warm with average high temperatures reaching 22.1 °C (71.8 °F).
- Overnight temperatures are generally quite mild with an average low of 10.8 °C (51.4 °F).
- The variation/ range of daily mean temperatures in September is 11.3 °C (20.3 °F).
- The weather in September is hardly dry. Circa 118.6mm (4.7in) of fluid descends.
- 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 Dubuque, Ia September averages with somewhere beginning with:
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Weather Trend Graph for September in Dubuque, Ia, Usa
Navigate to September Weather in Locations Surrounding Dubuque, Ia:
- Brodhead, Wi, Usa - 111.2 kms (69.1 miles) ENE
- Dixon, Il, Usa - 72.8 kms (45.3 miles) SE
- Walnut, Il, Usa - 72.8 kms (45.3 miles) SE
- Clinton, Ia, Usa - 72.8 kms (45.3 miles) SE
- Morrison, Il, Usa - 89.3 kms (55.5 miles) SE
- Moline/ Quad City, Il, Usa - 106.7 kms (66.3 miles) S