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September Weather in Detroit Lakes, United States

Last updated: June 24, 2025

In September, the average temperature in Detroit Lakes, United States hovers around 15°C (60°F), offering a pleasant climate. However, be prepared for fluctuations, as temperatures can dip to a chilly -1°C (31°F) or soar up to a warm 30°C (87°F). Expect around 100 mm (3.9 in) of precipitation over 10 days, contributing to an average humidity level of 77%. Stay comfortable and enjoy the variability of this season!

September Temperature in Detroit Lakes

In September in Detroit Lakes, the average temperature is 15°C (60°F). Maximum temperatures can reach 30°C (87°F), while minimums can drop as low as -1°C (31°F). This makes it a great time to explore the diverse weather conditions, so be sure to pack layers for your travels!

September Weather in Detroit Lakes: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Detroit Lakes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Detroit Lakes, September typically has an average temperature of 15°C (60°F), with highs reaching up to 30°C (87°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec10927385568726860442818
Data source: Temperature data for Detroit Lakes generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Detroit Lakes

In Detroit Lakes in September, the precipitation amount is 100 mm (3.9 in) over a span of 10 days.

September Precipitation Trends in Detroit Lakes

The chart displays monthly precipitation patterns in Detroit Lakes, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Detroit Lakes, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec20243258547791113100982544
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Detroit Lakes

In Detroit Lakes in September, humidity is 77%. With an average temperature of 15°C (60°F), this humidity feels like you're wading through a warm, heavy blanket, making travel feel more exhausting and sticky than usual.

September Average Humidity in Detroit Lakes

This chart illustrates the average monthly humidity levels in Detroit Lakes, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Detroit Lakes is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%85%81%75%79%77%78%77%79%86%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Detroit Lakes

In Detroit Lakes in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Detroit Lakes.

Maximum UV Index Levels in Detroit Lakes for September

The chart shows the monthly maximum UV Index (UVI) for Detroit Lakes in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Detroit Lakes typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810987532
Data source: Detroit Lakes September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Detroit Lakes Compares to Other Months

Weather in Detroit Lakes varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Detroit Lakes, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Detroit Lakes, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (10°F)20 mm (0.8 inches)90%low
February Weather-13°C (10°F)24 mm (0.9 inches)92%moderate
March Weather-3°C (28°F)32 mm (1.3 inches)85%moderate
April Weather3°C (38°F)58 mm (2.3 inches)81%high
May Weather13°C (55°F)54 mm (2.1 inches)75%very high
June Weather20°C (68°F)77 mm (3.0 inches)79%very high
July Weather22°C (72°F)91 mm (3.6 inches)76%very high
August Weather20°C (68°F)113 mm (4.4 inches)78%very high
September Weather15°C (60°F)100 mm (3.9 inches)77%high
October Weather6°C (44°F)98 mm (3.8 inches)79%moderate
November Weather-2°C (28°F)25 mm (1.0 inches)86%moderate
December Weather-8°C (18°F)44 mm (1.7 inches)86%low

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