September Weather in Waukon, United States

Last updated: June 24, 2025

In September, the average temperature in Waukon, United States hovers around 18°C (65°F). Expect a daily range with minimums of 2°C (35°F) and maximums reaching up to 33°C (91°F). With an average humidity of 74% and a total precipitation of 124 mm (4.9 in) spread over 10 days, be prepared for a mix of warm days and occasional showers throughout the month.

September Temperature in Waukon

In September in Waukon, the average temperature is 18°C (65°F). The maximum can reach 33°C (91°F), while the minimum can be as low as 2°C (35°F). Pack accordingly for a varied climate to fully enjoy your trip to Waukon.

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

The chart illustrates September temperature patterns in Waukon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waukon, September typically has an average temperature of 18°C (65°F), with highs reaching up to 33°C (91°F) and lows dropping to around 2°C (35°F).

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

September Precipitation in Waukon

In Waukon in September, the precipitation amount is 124 mm (4.9 in) spread over a duration of 10 days.

September Precipitation Trends in Waukon

The chart displays monthly precipitation patterns in Waukon, 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 Waukon, September typically receives around 124 mm (4.9 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 Waukon

In Waukon 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 Waukon

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

In Waukon 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 Waukon.

Maximum UV Index Levels in Waukon for September

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

Data source: Waukon 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 Waukon Compares to Other Months

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

This table compares monthly weather conditions in Waukon, 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)	40 mm (1.6 inches)	84%	moderate
February Weather	-6°C (21°F)	53 mm (2.1 inches)	85%	moderate
March Weather	2°C (36°F)	63 mm (2.5 inches)	84%	moderate
April Weather	8°C (46°F)	82 mm (3.2 inches)	83%	very high
May Weather	15°C (60°F)	149 mm (5.9 inches)	75%	very high
June Weather	22°C (71°F)	132 mm (5.2 inches)	79%	very high
July Weather	23°C (74°F)	117 mm (4.6 inches)	75%	very high
August Weather	21°C (71°F)	104 mm (4.1 inches)	69%	very high
September Weather	18°C (65°F)	124 mm (4.9 inches)	74%	very high
October Weather	10°C (50°F)	134 mm (5.3 inches)	79%	moderate
November Weather	2°C (35°F)	53 mm (2.1 inches)	88%	moderate
December Weather	-2°C (28°F)	39 mm (1.5 inches)	82%	low