September Weather in Whitecourt, Canada

Last updated: June 18, 2025

In September, the average temperature in Whitecourt, Canada hovers around 9°C (48°F). Prepare for chilly spells, as the minimum can plummet to -5°C (23°F), while the mercury can rise to a balmy 28°C (82°F). With 64 mm (2.5 in) of precipitation spread across 11 days, don't forget your umbrella! The average humidity is a comfortable 74%, adding a touch of atmosphere to your experience.

September Temperature in Whitecourt

In September in Whitecourt, the average temperature is 9°C (48°F). Maximum temperatures can reach 28°C (82°F), while the minimum can drop as low as -5°C (23°F). This makes Whitecourt an intriguing destination for travelers looking to experience a range of temperatures and activities suitable for both cooler and warmer days.

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

The chart illustrates September temperature patterns in Whitecourt, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Whitecourt, September typically has an average temperature of 9°C (48°F), with highs reaching up to 28°C (82°F) and lows dropping to around -5°C (23°F).

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

September Precipitation in Whitecourt

In Whitecourt in September, the total precipitation amount is 64 mm (2.5 in) spread over 11 days.

September Precipitation Trends in Whitecourt

The chart displays monthly precipitation patterns in Whitecourt, 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 Whitecourt, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 11 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 Whitecourt

In Whitecourt in September humidity is 74%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating warm layers to fully enjoy your explorations.

September Average Humidity in Whitecourt

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

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

Maximum UV Index Levels in Whitecourt for September

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

Data source: Whitecourt 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 Whitecourt Compares to Other Months

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

This table compares monthly weather conditions in Whitecourt, 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)	23 mm (0.9 inches)	88%	low
February Weather	-12°C (10°F)	27 mm (1.1 inches)	91%	low
March Weather	-5°C (23°F)	33 mm (1.3 inches)	87%	moderate
April Weather	1°C (35°F)	38 mm (1.5 inches)	78%	moderate
May Weather	10°C (50°F)	63 mm (2.5 inches)	73%	high
June Weather	14°C (57°F)	110 mm (4.3 inches)	73%	high
July Weather	15°C (60°F)	121 mm (4.8 inches)	80%	very high
August Weather	14°C (58°F)	62 mm (2.5 inches)	79%	high
September Weather	9°C (48°F)	64 mm (2.5 inches)	74%	high
October Weather	2°C (36°F)	35 mm (1.4 inches)	80%	moderate
November Weather	-5°C (23°F)	45 mm (1.8 inches)	84%	low
December Weather	-10°C (15°F)	23 mm (0.9 inches)	92%	low