Ann Arbor, Michigan, experiences a transition from summer to fall during September. This period typically features moderating temperatures, decreasing humidity, and the potential for increased rainfall as summer weather patterns give way to autumnal conditions. Daily average temperatures generally range from highs in the low 70s Fahrenheit (low 20s Celsius) to overnight lows in the mid-50s Fahrenheit (low teens Celsius). While sunny days are still common, cloud cover tends to increase as the month progresses.
Understanding the typical climate conditions during this time is crucial for visitors and residents alike. Packing appropriately for layered clothing becomes important, as the temperature can fluctuate significantly throughout the day. This transitional period also marks the beginning of the vibrant fall foliage season in southeastern Michigan, making it a popular time for outdoor activities such as hiking and scenic drives. Historically, September has also been a time for the return of students to the University of Michigan, significantly influencing the city’s cultural and economic landscape.
