Iron Mountain Weather in September

What's the weather like in Iron Mountain (Michigan) in September 2024?

The climate in Iron Mountain during September can be summarized as mild and a little damp.

September is in the fall / autumn in Iron Mountain and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 7°C (45°F) is normal.

Iron Mountain weather averages (imperial / metric)
Daytime temperature 19.6°C 67.2°F
Nightly temperature 7.1°C 44.7°F
Average temperature 13.3°C 55.9°F
Daily sunshine 7.1 hrs
Avg rainfall 94 mm 3.7 ins
Rainy days 13 days
Sea temperature 15.6°C 60.1°F
Humidity 79%
Windspeed 14kph 9 mph

On average September is the 2nd wettest month of the year in Iron Mountain with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.1 hours of sunshine per day.

September temperatures in Iron Mountain

Iron Mountain average temperature in September

September rainfall

Iron Mountain average rain in September

September hourly sunshine

Iron Mountain 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 Iron Mountain in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Iron Mountain weather stats

Iron Mountain weather statistics
Hottest month: July 26.2°C 79.2°F
Driest month: February 23mm 0.9ins
Sunniest month: July 11.1hrs
Coldest month: January -5.6°C 21.9°F
Wettest month: August 96mm 3.8ins
Map showing location of Iron Mountain (45.82023, -88.06596) Iron Mountain map pin © Google

Locations nearby

Top United States locations