Detroit Lakes Weather in September

What's the weather like in Detroit Lakes (Minnesota) in September 2025?

The climate in Detroit Lakes during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Detroit Lakes and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 7°C (45°F) is normal.

Detroit Lakes weather averages (imperial / metric)
Daytime temperature 20.6°C 69°F
Nightly temperature 7.1°C 44.7°F
Average temperature 13.8°C 56.8°F
Daily sunshine 8 hrs
Avg rainfall 67 mm 2.6 ins
Rainy days 9 days
Sea temperature 15.3°C 59.6°F
Humidity 71%
Windspeed 18kph 11 mph

On average September is the 5th wettest month of the year in Detroit Lakes with around 67mm 2.6 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 8 hours of sunshine per day.

September temperatures in Detroit Lakes

Detroit Lakes average temperature in September

September rainfall

Detroit Lakes average rain in September

September hourly sunshine

Detroit Lakes 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 Detroit Lakes in September 2025.

Other monthly averages

Best places to visit in September

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Beta

Current (hourly) weather 15 day forecast

Detroit Lakes weather stats

Detroit Lakes weather statistics
Hottest month: July 27.4°C 81.3°F
Driest month: February 14mm 0.6ins
Sunniest month: July 11.9hrs
Coldest month: January -9.4°C 15.1°F
Wettest month: June 104mm 4.1ins
Map showing location of Detroit Lakes (46.81718, -95.84533) Detroit Lakes map pin © Google

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