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September Weather in Menomonie, United States

Last updated: June 24, 2025

In September, the average temperature in Menomonie, United States hovers around 17°C (63°F), but can vary significantly, with lows dipping to 0°C (33°F) and highs reaching as much as 32°C (91°F). Expect approximately 100 mm (3.9 in) of rainfall spread over 10 days, accompanied by a high humidity level of 80%, creating a lush and vibrant atmosphere.

September Temperature in Menomonie

In September in Menomonie, the average temperature is 17°C (63°F). Maximums can reach 32°C (91°F), and minimums can be as low as 0°C (33°F). This varied climate makes it essential for travelers to pack a range of clothing options to stay comfortable throughout their visit.

September Weather in Menomonie: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Menomonie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Menomonie, September typically has an average temperature of 17°C (63°F), with highs reaching up to 32°C (91°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec161732435869736963473223
Data source: Temperature data for Menomonie 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 Menomonie

In Menomonie in September, the precipitation amount is 100 mm (3.9 in) over a span of 10 days.

September Precipitation Trends in Menomonie

The chart displays monthly precipitation patterns in Menomonie, 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 Menomonie, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec314357871361241181291001054457
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Menomonie

In Menomonie in September humidity is 80%. With an average temperature of 17°C (63°F), this humidity feels like you're walking through a thick, warm blanket, making travel feel slightly stifling and requiring frequent breaks to stay comfortable.

September Average Humidity in Menomonie

This chart illustrates the average monthly humidity levels in Menomonie, 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 Menomonie 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 Menomonie

In Menomonie 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 Menomonie.

Maximum UV Index Levels in Menomonie for September

The chart shows the monthly maximum UV Index (UVI) for Menomonie 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 Menomonie typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Menomonie 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 Menomonie Compares to Other Months

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

This table compares monthly weather conditions in Menomonie, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)31 mm (1.2 inches)88%low
February Weather-8°C (17°F)42 mm (1.7 inches)89%moderate
March Weather0°C (33°F)56 mm (2.2 inches)86%moderate
April Weather6°C (43°F)87 mm (3.4 inches)85%high
May Weather14°C (58°F)136 mm (5.3 inches)79%very high
June Weather21°C (70°F)124 mm (4.9 inches)80%very high
July Weather23°C (73°F)118 mm (4.7 inches)80%very high
August Weather20°C (69°F)129 mm (5.1 inches)78%very high
September Weather17°C (63°F)100 mm (3.9 inches)80%high
October Weather9°C (48°F)105 mm (4.1 inches)84%moderate
November Weather0°C (33°F)44 mm (1.7 inches)89%moderate
December Weather-5°C (23°F)57 mm (2.3 inches)85%low

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