Luna Pier Weather in September

What's the weather like in Luna Pier (Michigan) in September 2025?

The climate in Luna Pier during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Luna Pier and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (74°F), whilst at night 12°C (53°F) is normal.

Luna Pier weather averages (imperial / metric)
Daytime temperature 23.5°C 74.3°F
Nightly temperature 11.9°C 53.4°F
Average temperature 17.7°C 63.9°F
Daily sunshine 7.7 hrs
Avg rainfall 70 mm 2.7 ins
Rainy days 9 days
Sea temperature 20.9°C 69.7°F
Humidity 75%
Windspeed 13.3kph 8 mph

On average September is the 6th driest month of the year in Luna Pier with around 70mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.7 hours of sunshine per day.

September temperatures in Luna Pier

Luna Pier average temperature in September

September rainfall

Luna Pier average rain in September

September hourly sunshine

Luna Pier 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 Luna Pier 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

Luna Pier weather stats

Luna Pier weather statistics
Hottest month: July 28.2°C 82.8°F
Driest month: February 45mm 1.8ins
Sunniest month: July 10.4hrs
Coldest month: January -1.1°C 30°F
Wettest month: June 90mm 3.5ins
Map showing location of Luna Pier (41.80699, -83.44243) Luna Pier map pin © Google

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