September Weather in Greenbank, Canada

Last updated: June 18, 2025

In September, the average temperature in Greenbank, Canada hovers around 16°C (61°F), with a minimum of 2°C (35°F) and a maximum reaching up to 32°C (89°F). Expect about 73 mm (2.9 in) of precipitation over 10 days and enjoy the moderate average humidity of 74%.

September Temperature in Greenbank

In September in Greenbank, the average temperature is 16°C (61°F). Maximum temperatures can reach 32°C (89°F), while minimum temperatures can drop as low as 2°C (35°F). Travelers should be prepared for a wide range of weather conditions during this time.

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

The chart illustrates September temperature patterns in Greenbank, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greenbank, September typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (89°F) and lows dropping to around 2°C (35°F).

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

September Precipitation in Greenbank

In Greenbank in September, the precipitation amount is 73 mm (2.9 in) over the course of 10 days.

September Precipitation Trends in Greenbank

The chart displays monthly precipitation patterns in Greenbank, 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 Greenbank, September typically receives around 73 mm (2.9 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 Greenbank

In Greenbank in September humidity is 74%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making traveling quite uncomfortable as the air feels thick and muggy, potentially leading to fatigue and a longing for a cool breeze.

September Average Humidity in Greenbank

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

In Greenbank 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 Greenbank.

Maximum UV Index Levels in Greenbank for September

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

Data source: Greenbank 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 Greenbank Compares to Other Months

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

This table compares monthly weather conditions in Greenbank, 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)	66 mm (2.6 inches)	93%	low
February Weather	-6°C (22°F)	70 mm (2.8 inches)	94%	moderate
March Weather	-1°C (31°F)	66 mm (2.6 inches)	87%	high
April Weather	5°C (42°F)	116 mm (4.6 inches)	82%	very high
May Weather	13°C (56°F)	105 mm (4.1 inches)	74%	very high
June Weather	18°C (65°F)	106 mm (4.2 inches)	68%	very high
July Weather	22°C (71°F)	104 mm (4.1 inches)	67%	very high
August Weather	20°C (69°F)	125 mm (4.9 inches)	67%	very high
September Weather	16°C (61°F)	73 mm (2.9 inches)	74%	high
October Weather	10°C (50°F)	103 mm (4.1 inches)	83%	moderate
November Weather	2°C (35°F)	84 mm (3.3 inches)	89%	moderate
December Weather	-3°C (27°F)	73 mm (2.9 inches)	91%	low