September Weather in Headingley, Canada

Last updated: June 18, 2025

In September, the average temperature in Headingley, Canada hovers around 13°C (57°F). However, temperatures can fluctuate significantly, with a minimum of -4°C (25°F) and a potential maximum reaching 34°C (93°F). Expect 97 mm (3.8 in) of precipitation spread across approximately 10 days, contributing to a comfortable average humidity of 73%.

September Temperature in Headingley

In September in Headingley, the average temperature is 13°C (57°F). Maximum temperatures can reach 34°C (93°F), while minimum temperatures can drop as low as -4°C (25°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Headingley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Headingley, September typically has an average temperature of 13°C (57°F), with highs reaching up to 34°C (93°F) and lows dropping to around -4°C (25°F).

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

September Precipitation in Headingley

In Headingley in September, the total precipitation amount is 97 mm (3.8 in) over a span of 10 days.

September Precipitation Trends in Headingley

The chart displays monthly precipitation patterns in Headingley, 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 Headingley, September typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 10 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 Headingley

In Headingley in September humidity is 73%. With an average temperature of 13°C (57°F), this humidity feels like a damp chill that can cling to your clothes, making your travel experience a bit uncomfortable unless you dress in layers to stay warm and dry.

September Average Humidity in Headingley

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

In Headingley 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 Headingley, you can refer to this Hourly UV Index in Headingley.

Maximum UV Index Levels in Headingley for September

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

Data source: Headingley 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 Headingley Compares to Other Months

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

This table compares monthly weather conditions in Headingley, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-14°C (7°F)	18 mm (0.7 inches)	92%	low
February Weather	-16°C (4°F)	15 mm (0.6 inches)	90%	moderate
March Weather	-5°C (23°F)	19 mm (0.7 inches)	88%	moderate
April Weather	2°C (37°F)	29 mm (1.1 inches)	81%	high
May Weather	12°C (53°F)	35 mm (1.4 inches)	74%	very high
June Weather	19°C (66°F)	79 mm (3.1 inches)	72%	very high
July Weather	21°C (70°F)	56 mm (2.2 inches)	74%	very high
August Weather	19°C (66°F)	67 mm (2.6 inches)	76%	very high
September Weather	13°C (57°F)	97 mm (3.8 inches)	73%	high
October Weather	5°C (41°F)	54 mm (2.1 inches)	76%	moderate
November Weather	-5°C (24°F)	27 mm (1.0 inches)	86%	low
December Weather	-11°C (13°F)	23 mm (0.9 inches)	91%	low