Detroit weather in September
September in Detroit averages 74°F by day and 56°F at night, with 3.2 inches of precipitation. It is the 4th-warmest and 6th-wettest month of the year here.
- Average high
- 74°F-7° vs August
- Average low
- 56°F0 nights below freezing
- Precipitation
- 3.2 in6 days with 0.1 in. or more
- Snow
- 0.0 in1 days at 90°F+
Is September a good time to visit Detroit?
Yes. September is one of the most comfortable months in Detroit by our rule (highs of 62 to 86°F, lows of 42°F or more and under 4.5 inches of precipitation). The most comfortable months overall are May to October.
Get outside in Detroit in September
September is made for being outside. Try Belle Isle Park, William G. Milliken State Park and Harbor, Belle Isle Conservatory. All things to do in Detroit.
On September 15 the sun rises at 7:12 am and sets at 7:41 pm, giving 12h 29m of daylight. Daylight all year.
What to pack for Detroit in September
- T-shirts and a light jacket or sweater
Based on 30-year averages, not a forecast. Check the forecast a few days before you go.
September nearby
| City | Distance | High | Low | Precip. |
|---|---|---|---|---|
| Detroit | 74°F | 56°F | 3.2 in | |
| Dearborn, MI | 5 mi | 74°F | 56°F | 3.2 in |
| Warren, MI | 11 mi | 73°F | 53°F | 3.2 in |
| Southfield, MI | 13 mi | 74°F | 56°F | 3.2 in |
| Livonia, MI | 15 mi | 74°F | 56°F | 3.2 in |
| Westland, MI | 15 mi | 74°F | 56°F | 3.2 in |
| Sterling Heights, MI | 17 mi | 73°F | 53°F | 3.2 in |
Frequently asked questions
What is the weather like in Detroit in September?
In September, Detroit averages a high of 74°F and a low of 56°F, with 3.2 inches of precipitation (NOAA 1991-2020 normals).
Is September a good time to visit Detroit?
Yes. September is one of Detroit's most comfortable months by our rule: highs between 62°F and 86°F, lows of 42°F or more and modest rain.
Does it snow in Detroit in September?
Rarely. The September snowfall normal is under half an inch.
Before and after: Detroit in August and Detroit in October. All twelve months: Detroit weather by month.
NOAA NCEI 1991-2020 climate normals, station Detroit Metro Airport, MI, 14.4 miles from the city center.