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September Weather in Eaton Rapids, United States

Last updated: June 24, 2025

In September, the average temperature in Eaton Rapids, United States hovers around 19°C (66°F). Expect a wide range, with minimums dropping to 1°C (35°F) and maximums soaring to 34°C (94°F). During this period, you can anticipate 96 mm (3.8 in) of precipitation spread over approximately 10 days, and with an average humidity of 80%, be prepared for a notably humid atmosphere.

September Temperature in Eaton Rapids

In September in Eaton Rapids, the average temperature is 19°C (66°F), with maximums reaching 34°C (94°F) and minimums dropping as low as 1°C (35°F). It's advisable to pack a variety of clothing to accommodate both warm days and cooler nights during your travels.

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

The chart illustrates September temperature patterns in Eaton Rapids, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Eaton Rapids, September typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (94°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737476070757265533932
Data source: Temperature data for Eaton 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 Eaton Rapids

In Eaton Rapids in September, the total precipitation amount is 96 mm (3.8 in) over a span of 10 days.

September Precipitation Trends in Eaton Rapids

The chart displays monthly precipitation patterns in Eaton 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 Eaton Rapids, September typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec67737391133949668961206860
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Eaton Rapids

In Eaton Rapids in September humidity is 80%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel more strenuous and sticky, which can ultimately dampen the experience of traveling.

September Average Humidity in Eaton Rapids

This chart illustrates the average monthly humidity levels in Eaton 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 Eaton Rapids is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Eaton Rapids

In Eaton 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 Eaton Rapids.

Maximum UV Index Levels in Eaton Rapids for September

The chart shows the monthly maximum UV Index (UVI) for Eaton 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 Eaton Rapids typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097542
Data source: Eaton 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 Eaton Rapids Compares to Other Months

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

This table compares monthly weather conditions in Eaton Rapids, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)67 mm (2.6 inches)88%low
February Weather-3°C (27°F)73 mm (2.9 inches)87%moderate
March Weather3°C (38°F)73 mm (2.9 inches)85%moderate
April Weather8°C (47°F)91 mm (3.6 inches)86%very high
May Weather16°C (60°F)133 mm (5.3 inches)80%very high
June Weather21°C (71°F)94 mm (3.7 inches)80%very high
July Weather24°C (75°F)96 mm (3.8 inches)80%very high
August Weather22°C (72°F)67 mm (2.7 inches)80%very high
September Weather19°C (66°F)96 mm (3.8 inches)80%high
October Weather12°C (54°F)120 mm (4.7 inches)84%moderate
November Weather4°C (39°F)68 mm (2.7 inches)89%moderate
December Weather0°C (32°F)60 mm (2.4 inches)86%low

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