Michigan weather in September 2025
Michigan weather in September 2025
Day
23 °C
Night
11 °C
Sea
16 °C
Precipitation
91 mm
in month
Rainy days
10 days
in month
Daylight
12 hours
average
Sunshine
7 hours
average
Humidity
76 %
Day
23 °C
Night
11 °C
Sea
16 °C
Precipitation
91 mm
in month
Rainy days
10 days
in month
Daylight
12 hours
average
Sunshine
7 hours
average
Humidity
76 %
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Weather overview and FAQs
Weather overview
In Michigan in September, the average air temperature ranges from 23 °C (73 °F) during the day to 11 °C (52 °F) at night. There are 10 days of rain on average, where the rainfall is 91 mm (3.60 in).
Are there good conditions to visit in Michigan in September?
There are good conditions for visiting in Michigan in September. There are some people, who may feel a slight chill at 23 °C (73 °F), but others will feel perfectly fine. The temperature of 11 °C (52 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What temperature can I expect during the day in Michigan in September?
In Michigan in September, the average daily temperatures will be 23 °C (73 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.
What is the night temperature in Michigan in September?
The average night temperature in Michigan in September is 11 °C (52 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.
What is the average number of rainy days in Michigan in September?
In September in Michigan, we can expect 10 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.4 days of the week, or in general - 35 % days.
What is the rainfall intensity in Michigan in September?
In Michigan in September, there is 91 mm (3.60 in) rainfall, which means on average 3 mm (0.12 in) rainfall per day.
How long is the day (from dawn till dusk) in Michigan in September?
The length of daylight in Michigan in September is 12 hours.
Is the weather in Michigan warmer in September than in August?
No, in Michigan in September the temperature is not higher than in August.
Is there a wet season in September in Michigan?
No, there is no wet season in Michigan in September - you can expect 10 days of rain during the month.
How many sunny hours can I expect in Michigan in September?
There is an average length of sunshine of 7 hours per day in Michigan in September.
Is September part of the dry season in Michigan?
No, September is not a dry month in Michigan, expect rain approximately 10 days in a month.
How windy is it in September in Michigan?
An average wind scale that can be expected in Michigan in September is 3.
What level of humidity is to expect in September in Michigan?
Humidity in Michigan in September is 76 %.
What is the temperature trend in Michigan in September?
During September in Michigan, the day temperatures are decreasing - from 25 °C (76 °F) at the beginning of the month to 19 °C (66 °F) at the end of the month.