September Weather in Garson, Canada

Last updated: June 18, 2025

In Garson, Canada, the average temperature in September hovers around 13°C (57°F), with a range that can dip to a chilly -3°C (27°F) and soar up to a warm 33°C (92°F). Expect about 94 mm (3.7 in) of precipitation spread over 11 days, contributing to an average humidity of 75%.

September Temperature in Garson

In September in Garson, the average temperature is 13°C (57°F). Maximums can reach 33°C (92°F) while minimums can drop as low as -3°C (27°F). It's advisable to pack layers to prepare for a wide range of temperatures during your travels.

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

The chart illustrates September temperature patterns in Garson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Garson, September typically has an average temperature of 13°C (57°F), with highs reaching up to 33°C (92°F) and lows dropping to around -3°C (27°F).

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

September Precipitation in Garson

In Garson in September, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

September Precipitation Trends in Garson

The chart displays monthly precipitation patterns in Garson, 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 Garson, September typically receives around 94 mm (3.7 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 Garson

In Garson in September humidity is 75%. With average temperature 13°C (57°F), this humidity feels like a damp chill, making it essential for travelers to dress in layers and be prepared for a slightly uncomfortable experience while exploring the area.

September Average Humidity in Garson

This chart illustrates the average monthly humidity levels in Garson, 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 Garson is approximately 75%, 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 Garson

In Garson in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Garson, you can refer to this Hourly UV Index in Garson.

Maximum UV Index Levels in Garson for September

The chart shows the monthly maximum UV Index (UVI) for Garson 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 Garson typically reaches 6, which falls under the high exposure category.

Data source: Garson 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 Garson Compares to Other Months

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

This table compares monthly weather conditions in Garson, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-15°C (6°F)	19 mm (0.7 inches)	94%	low
February Weather	-16°C (3°F)	17 mm (0.7 inches)	91%	moderate
March Weather	-5°C (23°F)	18 mm (0.7 inches)	90%	moderate
April Weather	2°C (36°F)	31 mm (1.2 inches)	81%	high
May Weather	12°C (53°F)	36 mm (1.4 inches)	74%	very high
June Weather	19°C (66°F)	74 mm (2.9 inches)	75%	very high
July Weather	21°C (70°F)	73 mm (2.9 inches)	74%	very high
August Weather	19°C (67°F)	58 mm (2.3 inches)	77%	very high
September Weather	13°C (57°F)	94 mm (3.7 inches)	75%	high
October Weather	5°C (41°F)	63 mm (2.5 inches)	78%	moderate
November Weather	-5°C (23°F)	29 mm (1.1 inches)	87%	low
December Weather	-11°C (12°F)	25 mm (1.0 inches)	93%	low