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September Weather in Rib Lake, United States

Last updated: June 24, 2025

In September, the average temperature in Rib Lake, United States is a mild 16°C (60°F). Expect a range that can dip to a chilly 0°C (32°F) and soar to a warm 32°C (89°F). With an average humidity of 80%, this month brings 94 mm (3.7 in) of precipitation spread over 11 days. Be prepared for both bright days and occasional showers!

September Temperature in Rib Lake

In September in Rib Lake, the average temperature is 16°C (60°F), with maximums reaching 32°C (89°F) and minimums dropping as low as 0°C (32°F). Be prepared for a wide range of temperatures to ensure a comfortable and enjoyable travel experience.

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

The chart illustrates September temperature patterns in Rib Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rib Lake, September typically has an average temperature of 16°C (60°F), with highs reaching up to 32°C (89°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec161630415666706660463122
Data source: Temperature data for Rib 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 Rib Lake

In Rib Lake in September, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

September Precipitation Trends in Rib Lake

The chart displays monthly precipitation patterns in Rib 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 Rib Lake, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec34535295113108124130941265157
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rib Lake

In Rib Lake in September, humidity is 80%. With an average temperature of 16°C (60°F), this humidity feels like walking through a warm, thick haze, making travel feel somewhat stifling and requiring frequent breaks to hydrate and cool down.

September Average Humidity in Rib Lake

This chart illustrates the average monthly humidity levels in Rib 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 Rib Lake is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rib Lake

In Rib Lake 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 Rib Lake.

Maximum UV Index Levels in Rib Lake for September

The chart shows the monthly maximum UV Index (UVI) for Rib 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 Rib Lake typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810997532
Data source: Rib 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 Rib Lake Compares to Other Months

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

This table compares monthly weather conditions in Rib Lake, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)33 mm (1.3 inches)88%low
February Weather-9°C (16°F)53 mm (2.1 inches)89%moderate
March Weather-1°C (30°F)52 mm (2.0 inches)86%moderate
April Weather5°C (41°F)95 mm (3.7 inches)85%high
May Weather13°C (56°F)113 mm (4.4 inches)79%very high
June Weather19°C (67°F)108 mm (4.3 inches)80%very high
July Weather21°C (70°F)124 mm (4.9 inches)80%very high
August Weather19°C (67°F)130 mm (5.1 inches)78%very high
September Weather16°C (60°F)94 mm (3.7 inches)80%high
October Weather8°C (46°F)125 mm (4.9 inches)84%moderate
November Weather-1°C (31°F)51 mm (2.0 inches)89%moderate
December Weather-6°C (22°F)57 mm (2.2 inches)85%low

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