September Weather in Minnesota Lake, United States

Last updated: June 24, 2025

In September, the average temperature in Minnesota Lake, United States is a pleasant 18°C (65°F). Visitors can expect a range of temperatures, with minimums dipping to 3°C (37°F) and maximums soaring up to 33°C (92°F). Be prepared for some rain, as the region experiences about 117 mm (4.6 in) of precipitation spread over 9 days. With an average humidity of 75%, the air can feel quite humid, making it an ideal time for light, breathable clothing.

September Temperature in Minnesota Lake

In September in Minnesota Lake, the average temperature is 18°C (65°F), with maximums that can reach 33°C (92°F) and minimums that can drop to as low as 3°C (37°F). Overall, travelers should be prepared for a range of temperatures, ensuring they pack both warm clothing for the cooler evenings and lighter attire for the hotter days.

September Weather in Minnesota Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Minnesota Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Minnesota Lake, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec181734456072747065493426
Data source: Temperature data for Minnesota Lake 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 Minnesota Lake

In Minnesota Lake in September, the total precipitation amount is 117 mm (4.6 in) spread over a period of 9 days.

September Precipitation Trends in Minnesota Lake

The chart displays monthly precipitation patterns in Minnesota Lake, 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 Minnesota Lake, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec36437188145133106109118963843
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Minnesota Lake

In Minnesota Lake in September, humidity is 75%. With an average temperature of 18°C (65°F), this humidity feels like a warm, enveloping blanket that can make outdoor exploration feel a bit stifling, potentially leading to discomfort during travel activities.

September Average Humidity in Minnesota Lake

This chart illustrates the average monthly humidity levels in Minnesota Lake, 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 Minnesota Lake is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%80%81%74%81%80%77%75%80%87%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Minnesota Lake

In Minnesota Lake in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Minnesota Lake.

Maximum UV Index Levels in Minnesota Lake for September

The chart shows the monthly maximum UV Index (UVI) for Minnesota Lake 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 Minnesota Lake typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35589101098533
Data source: Minnesota Lake 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 Minnesota Lake Compares to Other Months

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

This table compares monthly weather conditions in Minnesota Lake, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)36 mm (1.4 inches)82%moderate
February Weather-9°C (17°F)43 mm (1.7 inches)84%moderate
March Weather1°C (34°F)71 mm (2.8 inches)80%moderate
April Weather7°C (45°F)88 mm (3.5 inches)81%very high
May Weather15°C (60°F)145 mm (5.7 inches)74%very high
June Weather22°C (72°F)133 mm (5.2 inches)80%very high
July Weather23°C (74°F)106 mm (4.2 inches)80%very high
August Weather21°C (71°F)109 mm (4.3 inches)77%very high
September Weather18°C (65°F)117 mm (4.6 inches)75%very high
October Weather9°C (49°F)96 mm (3.8 inches)80%moderate
November Weather1°C (35°F)38 mm (1.5 inches)87%moderate
December Weather-4°C (26°F)43 mm (1.7 inches)83%moderate

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