September Weather in St. Claude, Canada

Last updated: June 18, 2025

In September, the average temperature in St. Claude, Canada sits at a pleasant 14°C (57°F). Expect a wide range, with minimums dipping to -3°C (26°F) and maximums soaring up to 34°C (93°F). Be prepared for some rain, as 89 mm (3.5 in) of precipitation typically falls over about 10 days. On top of that, average humidity is around 73%, adding a touch of warmth to the air.

September Temperature in St. Claude

In September in St. Claude, the average temperature is 14°C (57°F), with maximums soaring to 34°C (93°F) and minimums plunging as low as -3°C (26°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack both for warm and cool conditions.

September Weather in St. Claude: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in St. Claude, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St. Claude, September typically has an average temperature of 14°C (57°F), with highs reaching up to 34°C (93°F) and lows dropping to around -3°C (26°F).

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

September Precipitation in St. Claude

In St. Claude in September, the precipitation amount is 89 mm (3.5 in) over a period of 10 days.

September Precipitation Trends in St. Claude

The chart displays monthly precipitation patterns in St. Claude, 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 St. Claude, September typically receives around 89 mm (3.5 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 St. Claude

In St. Claude in September, humidity is 73%. With an average temperature of 14°C (57°F), this humidity feels like a warm embrace, making outdoor activities enjoyable but potentially uncomfortable for extended periods. Travelers should stay hydrated and take breaks in shaded areas to fully appreciate the vibrant surroundings.

September Average Humidity in St. Claude

This chart illustrates the average monthly humidity levels in St. Claude, 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 St. Claude is approximately 73%, 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 St. Claude

In St. Claude 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 St. Claude.

Maximum UV Index Levels in St. Claude for September

The chart shows the monthly maximum UV Index (UVI) for St. Claude 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 St. Claude typically reaches 7, which falls under the high exposure category.

Data source: St. Claude 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 St. Claude Compares to Other Months

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

This table compares monthly weather conditions in St. Claude, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (8°F)	17 mm (0.7 inches)	92%	low
February Weather	-15°C (5°F)	15 mm (0.6 inches)	90%	moderate
March Weather	-5°C (24°F)	22 mm (0.8 inches)	88%	moderate
April Weather	2°C (37°F)	30 mm (1.2 inches)	81%	high
May Weather	12°C (53°F)	35 mm (1.4 inches)	74%	very high
June Weather	19°C (66°F)	67 mm (2.6 inches)	72%	very high
July Weather	21°C (70°F)	55 mm (2.2 inches)	74%	very high
August Weather	19°C (66°F)	62 mm (2.4 inches)	76%	very high
September Weather	14°C (57°F)	89 mm (3.5 inches)	73%	high
October Weather	5°C (42°F)	59 mm (2.3 inches)	76%	moderate
November Weather	-4°C (24°F)	28 mm (1.1 inches)	86%	low
December Weather	-10°C (15°F)	24 mm (0.9 inches)	91%	low