Weather in Detroit: September
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Average day temperature: | 73.3°F |
| Average night temperature: | 61.9°F | |
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Number of sunny days: | 14 days |
| Day length: | 11.8 - 13.1 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 1.8 in. | |
| more information | ||
14 days
forecast
forecast
| Detroit |
weather in
October
October
| Detroit |
Air temperature in September, °F
Show year:
2026
2025
2024
The highest day temperature during September of 2026 was 97°F. At the same time the lowest night temperature was 52°F. Daily and nightly averages during September were 75.0°F and 62.6°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in September is almost equal.
Precipitation total in September, in.
Precipitation total value in Detroit in September is 1.4 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 7.0 mph It makes September one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.1.
Best time for vacation in Detroit
Detroit on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Detroit
Local time: 23:40
September 27, sunday
0000
59°F
S
6 mph
6 mph
0300
57°F
S
6 mph
6 mph
0600
57°F
S
6 mph
6 mph
0900
57°F
S
6 mph
6 mph
1200
68°F
S
8 mph
8 mph
1500
75°F
S
9 mph
9 mph
1800
73°F
SW
10 mph
10 mph
2100
64°F
S
9 mph
9 mph
