Typical Weather in Detroit, MI in September
72° F Avg High
56° F Avg Low
7 Rainy Days
☀️ Temperature Summary
September is a popular time to visit, with an inviting climate featuring warm temperatures. September is one of the warmer months of the year for Detroit, with highs averaging around 72°F. You can expect overnight lows near 56°F most days. Temperatures will usually fall as the month goes on, with daily high temperatures ranging between 75°F and 66°F.
September is a great time to visit Detroit, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 22% chance of rain for any given day in September. It's one of the rainier months of the year for Detroit, with total rainfall for the month around 4 inches.
Rainfall Throughout the Year
Planning a trip to Detroit? Try our free trip weather planner