| < 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 Ann Arbor, Mi in September is very mild at 17.9 °C (64.22 °F).
- Afternoons can be fairly hot with average high temperatures reaching 23.6 °C (74.5 °F).
- Overnight temperatures are generally quite mild with an average low of 12.2 °C (54 °F).
- The mean diurnal temperature variation/ range in September is 11.4 °C (20.5 °F).
- The weather in September is somewhat dry. Just 79mm (3.1in) of water is deposited.
- The shortest day is 11:44 long and the longest day is 13:07 long with an average length of 12:26.
Check the distance to and compare the Ann Arbor, Mi September averages with somewhere beginning with:
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Weather Trend Graph for September in Ann Arbor, Mi, Usa
Navigate to September Weather in Locations Surrounding Ann Arbor, Mi:
- Owosso, Mi, Usa - 111.9 kms (69.5 miles) N
- Hillsdale, Mi, Usa - 82.6 kms (51.3 miles) W
- Coldwater, Mi, Usa - 82.6 kms (51.3 miles) W
- Wauseon, Oh, Usa - 51.5 kms (32 miles) SSW
- Napoleon, Nd, Usa - 68.4 kms (42.5 miles) S
- Napoleon, Oh, Usa - 68.4 kms (42.5 miles) S
- Kenton, Oh, Usa - 111.2 kms (69.1 miles) S
- Flint/ Bishop, Mi, Usa - 109.4 kms (68 miles) N
- Windsor, On, Canada - 91.4 kms (56.8 miles) ENE
- Detroit, Michigan, Usa - 60.8 kms (37.8 miles) ENE
- Harrow, On, Canada - 90.9 kms (56.5 miles) E
- Toledo/ Express, Oh, Usa - 47.5 kms (29.5 miles) SSE
- Tiffin, Oh, Usa - 119.9 kms (74.5 miles) SE
- Findlay, Oh, Usa - 110.2 kms (68.5 miles) SSE