September Weather in Sainte Catherine de la Jacques Cartier, Canada

Last updated: June 18, 2025

In Sainte Catherine de la Jacques Cartier, Canada, the average temperature in September hovers around 14°C (58°F). However, be prepared for a range, with minimums dipping to -1°C (31°F) and maximums soaring to 30°C (85°F). This month also sees an average precipitation of 105 mm (4.2 in) spread over 11 days, accompanied by a relatively high average humidity of 81%.

September Temperature in Sainte Catherine de la Jacques Cartier

In September in Sainte Catherine de la Jacques Cartier, the average temperature is 14°C (58°F). Maximum temperatures can reach 30°C (85°F), while minimums can drop to as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling during this time!

September Weather in Sainte Catherine de la Jacques Cartier: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sainte Catherine de la Jacques Cartier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sainte Catherine de la Jacques Cartier, September typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (85°F) and lows dropping to around -1°C (31°F).

Data source: Temperature data for Sainte Catherine de la Jacques Cartier generated using information from the Copernicus Climate Change Service.

September Precipitation in Sainte Catherine de la Jacques Cartier

In Sainte Catherine de la Jacques Cartier in September, the total precipitation amount reaches 105 mm (4.2 in) over the course of 11 days.

September Precipitation Trends in Sainte Catherine de la Jacques Cartier

The chart displays monthly precipitation patterns in Sainte Catherine de la Jacques Cartier, 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 Sainte Catherine de la Jacques Cartier, September typically receives around 105 mm (4.2 inches) of precipitation spread over approximately 11 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 Sainte Catherine de la Jacques Cartier

In Sainte Catherine de la Jacques Cartier in September, humidity is 81%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor adventures sticky and challenging, while also providing a lush, vibrant atmosphere perfect for exploring.

September Average Humidity in Sainte Catherine de la Jacques Cartier

This chart illustrates the average monthly humidity levels in Sainte Catherine de la Jacques Cartier, 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 Sainte Catherine de la Jacques Cartier is approximately 81%, 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 Sainte Catherine de la Jacques Cartier

In Sainte Catherine de la Jacques Cartier 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 Sainte Catherine de la Jacques Cartier.

Maximum UV Index Levels in Sainte Catherine de la Jacques Cartier for September

The chart shows the monthly maximum UV Index (UVI) for Sainte Catherine de la Jacques Cartier 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 Sainte Catherine de la Jacques Cartier typically reaches 7, which falls under the high exposure category.

Data source: Sainte Catherine de la Jacques Cartier 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 Sainte Catherine de la Jacques Cartier Compares to Other Months

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

This table compares monthly weather conditions in Sainte Catherine de la Jacques Cartier, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (14°F)	91 mm (3.6 inches)	95%	low
February Weather	-9°C (16°F)	89 mm (3.5 inches)	93%	moderate
March Weather	-4°C (25°F)	98 mm (3.9 inches)	90%	moderate
April Weather	4°C (39°F)	124 mm (4.9 inches)	87%	high
May Weather	12°C (54°F)	106 mm (4.2 inches)	79%	very high
June Weather	17°C (63°F)	133 mm (5.2 inches)	73%	very high
July Weather	20°C (69°F)	122 mm (4.8 inches)	81%	very high
August Weather	19°C (67°F)	130 mm (5.1 inches)	81%	very high
September Weather	14°C (58°F)	105 mm (4.2 inches)	81%	high
October Weather	8°C (47°F)	142 mm (5.6 inches)	87%	moderate
November Weather	0°C (32°F)	133 mm (5.2 inches)	89%	moderate
December Weather	-7°C (19°F)	109 mm (4.3 inches)	92%	low