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September Weather in Park Rapids, United States

Last updated: June 24, 2025

In September, the average temperature in Park Rapids, United States hovers around 15°C (59°F). Expect a chilly minimum of -1°C (30°F), with a warm maximum reaching 30°C (87°F). This month also brings about 106 mm (4.2 in) of precipitation spread over 11 days, contributing to an average humidity of 77%.

September Temperature in Park Rapids

In September in Park Rapids, the average temperature is 15°C (59°F). Maximum can reach 30°C (87°F) and minimum can be as low as -1°C (30°F). It's a great time to visit, so pack accordingly to enjoy the range of temperatures!

September Weather in Park Rapids: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Park Rapids, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Park Rapids, September typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (87°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec101027385467716759432717
Data source: Temperature data for Park Rapids 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 Park Rapids

In Park Rapids in September, the precipitation amount is 106 mm (4.2 in) spread over a duration of 11 days.

September Precipitation Trends in Park Rapids

The chart displays monthly precipitation patterns in Park Rapids, 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 Park Rapids, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec21243157537487911061012648
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Park Rapids

In Park Rapids in September, humidity is 77%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it essential to stay hydrated and choose light, breathable clothing for comfortable travel.

September Average Humidity in Park Rapids

This chart illustrates the average monthly humidity levels in Park Rapids, 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 Park Rapids 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 Park Rapids

In Park Rapids 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 Park Rapids.

Maximum UV Index Levels in Park Rapids for September

The chart shows the monthly maximum UV Index (UVI) for Park Rapids 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 Park Rapids typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810987532
Data source: Park Rapids 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 Park Rapids Compares to Other Months

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

This table compares monthly weather conditions in Park Rapids, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (10°F)21 mm (0.8 inches)90%low
February Weather-12°C (10°F)24 mm (0.9 inches)92%moderate
March Weather-3°C (27°F)31 mm (1.2 inches)85%moderate
April Weather3°C (38°F)57 mm (2.2 inches)81%high
May Weather12°C (55°F)53 mm (2.1 inches)75%very high
June Weather20°C (67°F)74 mm (2.9 inches)79%very high
July Weather22°C (71°F)87 mm (3.4 inches)76%very high
August Weather20°C (67°F)91 mm (3.6 inches)78%very high
September Weather15°C (59°F)106 mm (4.2 inches)77%high
October Weather6°C (44°F)101 mm (4.0 inches)79%moderate
November Weather-3°C (28°F)26 mm (1.0 inches)86%moderate
December Weather-8°C (17°F)48 mm (1.9 inches)86%low

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