September Weather in Walkerton, United States

Last updated: June 24, 2025

In Walkerton, United States, the average temperature in September hovers around 20°C (68°F). However, temperatures can vary significantly, with a minimum of 4°C (39°F) and a maximum soaring to 33°C (92°F). During this month, expect 77 mm (3.0 in) of precipitation spread across approximately 8 days, and a humidity level averaging 78% adds to the climate's character. Enjoy the dynamic weather!

September Temperature in Walkerton

In September in Walkerton, the average temperature is 20°C (68°F). Maximum temperatures can reach up to 33°C (92°F), while minimums can drop as low as 4°C (39°F). It's a great time for travelers to enjoy mild weather and plan outdoor activities.

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

The chart illustrates September temperature patterns in Walkerton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walkerton, September typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Walkerton

In Walkerton in September, the precipitation amount is 77 mm (3.0 in) distributed over 8 days.

September Precipitation Trends in Walkerton

The chart displays monthly precipitation patterns in Walkerton, 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 Walkerton, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Walkerton

In Walkerton in September humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

September Average Humidity in Walkerton

This chart illustrates the average monthly humidity levels in Walkerton, 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 Walkerton is approximately 78%, 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 Walkerton

In Walkerton 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 Walkerton.

Maximum UV Index Levels in Walkerton for September

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

Data source: Walkerton 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 Walkerton Compares to Other Months

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

This table compares monthly weather conditions in Walkerton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	72 mm (2.8 inches)	85%	moderate
February Weather	-2°C (29°F)	74 mm (2.9 inches)	85%	moderate
March Weather	4°C (40°F)	103 mm (4.1 inches)	86%	high
April Weather	9°C (49°F)	108 mm (4.2 inches)	87%	very high
May Weather	16°C (62°F)	167 mm (6.6 inches)	81%	very high
June Weather	22°C (72°F)	135 mm (5.3 inches)	82%	very high
July Weather	24°C (76°F)	120 mm (4.7 inches)	81%	very high
August Weather	23°C (73°F)	113 mm (4.4 inches)	79%	very high
September Weather	20°C (68°F)	77 mm (3.0 inches)	78%	very high
October Weather	13°C (55°F)	125 mm (4.9 inches)	81%	high
November Weather	4°C (40°F)	75 mm (3.0 inches)	89%	moderate
December Weather	1°C (34°F)	62 mm (2.4 inches)	86%	moderate