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September Weather in Fort McMurray, Canada

Last updated: June 18, 2025

In Fort McMurray, Canada, the average temperature in September hovers around 10°C (50°F). You can expect a minimum of -9°C (17°F) and a maximum of 31°C (88°F), showcasing quite a range. Throughout the month, 58 mm (2.3 in) of precipitation falls, typically over 8 days, while average humidity sits at a comfortable 82%.

September Temperature in Fort McMurray

In September in Fort McMurray, the average temperature is 10°C (50°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as -9°C (17°F). Be prepared for a wide range of weather conditions if you're traveling during this time.

September Weather in Fort McMurray: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Fort McMurray, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort McMurray, September typically has an average temperature of 10°C (50°F), with highs reaching up to 31°C (88°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec431934526164614936187
Data source: Temperature data for Fort McMurray generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Fort McMurray

In Fort McMurray in September, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

September Precipitation Trends in Fort McMurray

The chart displays monthly precipitation patterns in Fort McMurray, 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 Fort McMurray, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec191618203693937558363325
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Fort McMurray

In Fort McMurray in September, humidity is 82%. With an average temperature of 10°C (50°F), this humidity feels like a dense, heavy blanket wrapping around you, making every step feel sluggish and the air thick, which can make traveling quite uncomfortable.

September Average Humidity in Fort McMurray

This chart illustrates the average monthly humidity levels in Fort McMurray, 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 Fort McMurray is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%94%92%81%67%60%78%82%82%88%94%98%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fort McMurray

In Fort McMurray in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Fort McMurray.

Maximum UV Index Levels in Fort McMurray for September

The chart shows the monthly maximum UV Index (UVI) for Fort McMurray 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 Fort McMurray typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Fort McMurray 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 Fort McMurray Compares to Other Months

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

This table compares monthly weather conditions in Fort McMurray, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-16°C (4°F)19 mm (0.7 inches)93%low
February Weather-16°C (3°F)16 mm (0.6 inches)94%low
March Weather-7°C (19°F)18 mm (0.7 inches)92%moderate
April Weather1°C (34°F)20 mm (0.8 inches)81%moderate
May Weather11°C (52°F)36 mm (1.4 inches)67%high
June Weather16°C (61°F)93 mm (3.6 inches)60%high
July Weather18°C (64°F)93 mm (3.7 inches)78%high
August Weather16°C (61°F)75 mm (3.0 inches)82%high
September Weather10°C (50°F)58 mm (2.3 inches)82%moderate
October Weather2°C (36°F)36 mm (1.4 inches)88%moderate
November Weather-8°C (18°F)33 mm (1.3 inches)94%low
December Weather-14°C (7°F)25 mm (1.0 inches)98%low

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