September Weather in Viroqua, United States

Last updated: June 24, 2025

In September, the average temperature in Viroqua, United States is a pleasant 18°C (65°F). Expect a range from a cool 4°C (40°F) to a warm 33°C (92°F). During this time, precipitation reaches around 120 mm (4.7 in) over approximately 10 days, with an average humidity of 74%, creating a notably humid atmosphere.

September Temperature in Viroqua

In September in Viroqua, the average temperature is 18°C (65°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 4°C (40°F). This variability in temperature makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates September temperature patterns in Viroqua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Viroqua, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (40°F).

Data source: Temperature data for Viroqua generated using information from the Copernicus Climate Change Service.

September Precipitation in Viroqua

In Viroqua in September, the precipitation amount is 120 mm (4.7 in) spread over a duration of 10 days.

September Precipitation Trends in Viroqua

The chart displays monthly precipitation patterns in Viroqua, 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 Viroqua, September typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Viroqua

In Viroqua in September humidity is 74%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can make even short walks feel laborious, leading travelers to seek shade and refreshment more often.

September Average Humidity in Viroqua

This chart illustrates the average monthly humidity levels in Viroqua, 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 Viroqua is approximately 74%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Viroqua

In Viroqua in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Viroqua.

Maximum UV Index Levels in Viroqua for September

The chart shows the monthly maximum UV Index (UVI) for Viroqua 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 Viroqua typically reaches 8, which falls under the very high exposure category.

Data source: Viroqua 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 Viroqua Compares to Other Months

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

This table compares monthly weather conditions in Viroqua, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	39 mm (1.5 inches)	84%	low
February Weather	-6°C (22°F)	52 mm (2.1 inches)	85%	moderate
March Weather	2°C (36°F)	59 mm (2.3 inches)	84%	moderate
April Weather	8°C (46°F)	85 mm (3.3 inches)	83%	very high
May Weather	15°C (60°F)	138 mm (5.5 inches)	75%	very high
June Weather	22°C (71°F)	123 mm (4.8 inches)	79%	very high
July Weather	24°C (75°F)	101 mm (4.0 inches)	75%	very high
August Weather	22°C (71°F)	101 mm (4.0 inches)	69%	very high
September Weather	18°C (65°F)	120 mm (4.7 inches)	74%	very high
October Weather	10°C (50°F)	122 mm (4.8 inches)	79%	moderate
November Weather	2°C (36°F)	52 mm (2.0 inches)	88%	moderate
December Weather	-2°C (28°F)	42 mm (1.7 inches)	82%	low