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September Weather in Big Rapids, United States

Last updated: June 24, 2025

In Big Rapids, United States, the average temperature in September settles at a pleasant 17°C (63°F). However, you may experience a wide range, with minimums dropping to 0°C (33°F) and maximums soaring up to 34°C (94°F). Be prepared for 103 mm (4.0 in) of precipitation spread across 11 days, and expect the air to be quite humid, with an average humidity of 79%.

September Temperature in Big Rapids

In September in Big Rapids, the average temperature is 17°C (63°F). The maximum can reach 34°C (94°F), while the minimum can drop to as low as 0°C (33°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Big Rapids, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Big Rapids, September typically has an average temperature of 17°C (63°F), with highs reaching up to 34°C (94°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec232434445767737063503629
Data source: Temperature data for Big 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 Big Rapids

In Big Rapids in September, the total precipitation amount is 103 mm (4.0 in), occurring over the course of 11 days.

September Precipitation Trends in Big Rapids

The chart displays monthly precipitation patterns in Big 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 Big Rapids, September typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5860609912411175901031346069
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Big Rapids

In Big Rapids in September, humidity is 79%. With an average temperature of 17°C (63°F), this humidity feels like a warm, muggy embrace, making outdoor activities less comfortable and prompting travelers to seek shaded areas or cool refreshments more frequently.

September Average Humidity in Big Rapids

This chart illustrates the average monthly humidity levels in Big 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 Big Rapids is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%87%82%81%78%79%80%82%87%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Big Rapids

In Big 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 Big Rapids.

Maximum UV Index Levels in Big Rapids for September

The chart shows the monthly maximum UV Index (UVI) for Big 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 Big Rapids typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Big 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 Big Rapids Compares to Other Months

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

This table compares monthly weather conditions in Big Rapids, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)58 mm (2.3 inches)87%low
February Weather-5°C (24°F)60 mm (2.4 inches)87%moderate
March Weather1°C (34°F)60 mm (2.4 inches)86%moderate
April Weather7°C (44°F)99 mm (3.9 inches)87%very high
May Weather14°C (57°F)124 mm (4.9 inches)82%very high
June Weather20°C (67°F)111 mm (4.4 inches)81%very high
July Weather23°C (73°F)75 mm (3.0 inches)78%very high
August Weather21°C (70°F)90 mm (3.5 inches)79%very high
September Weather17°C (63°F)103 mm (4.0 inches)79%high
October Weather10°C (50°F)133 mm (5.3 inches)82%moderate
November Weather2°C (36°F)60 mm (2.4 inches)87%moderate
December Weather-2°C (29°F)69 mm (2.7 inches)86%low

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