Mount Clemens Weather in September

What's the weather like in Mount Clemens (Michigan) in September 2025?

The climate in Mount Clemens during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Mount Clemens and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 12°C (54°F) is normal.

Mount Clemens weather averages (imperial / metric)
Daytime temperature 22.4°C 72.2°F
Nightly temperature 12.3°C 54.1°F
Average temperature 17.3°C 63.1°F
Daily sunshine 7 hrs
Avg rainfall 73 mm 2.9 ins
Rainy days 10 days
Sea temperature 20.5°C 68.9°F
Humidity 76%
Windspeed 13.7kph 9 mph

On average September is the 5th wettest month of the year in Mount Clemens with around 73mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 hours of sunshine per day.

September temperatures in Mount Clemens

Mount Clemens average temperature in September

September rainfall

Mount Clemens average rain in September

September hourly sunshine

Mount Clemens average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Mount Clemens in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Mount Clemens weather stats

Mount Clemens weather statistics
Hottest month: July 27.6°C 81.7°F
Driest month: February 43mm 1.7ins
Sunniest month: July 10.2hrs
Coldest month: January -1.5°C 29.3°F
Wettest month: June 84mm 3.3ins
Map showing location of Mount Clemens (42.59726, -82.87798) Mount Clemens map pin © Google

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