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September Weather in St. Albert, Canada

Last updated: June 18, 2025

In September, the average temperature in St. Albert, Canada hovers around 10°C (51°F). You might experience a minimum of -3°C (26°F) and a maximum of 30°C (86°F). Expect about 41 mm (1.6 in) of precipitation spread over 7 days, and enjoy an average humidity of 73%.

September Temperature in St. Albert

In September in St. Albert, the average temperature is 10°C (51°F). The maximum can reach 30°C (86°F), while the minimum can drop to as low as -3°C (26°F). This varied climate makes St. Albert an ideal destination for travelers seeking both warm and cool experiences during their visit.

September Weather in St. Albert: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in St. Albert, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St. Albert, September typically has an average temperature of 10°C (51°F), with highs reaching up to 30°C (86°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec13822355259626050372315
Data source: Temperature data for St. Albert 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 St. Albert

In St. Albert in September, the precipitation amount is 41 mm (1.6 in) spread over a duration of 7 days.

September Precipitation Trends in St. Albert

The chart displays monthly precipitation patterns in St. Albert, 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 St. Albert, September typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1820232957105986341273720
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in St. Albert

In St. Albert in September, humidity is 73%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that can make outdoor activities uncomfortable, causing your clothes to cling to your skin and a persistent coolness that seeps into your bones, which might deter long excursions without proper layering.

September Average Humidity in St. Albert

This chart illustrates the average monthly humidity levels in St. Albert, 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 St. Albert is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%87%81%77%77%81%78%73%78%82%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in St. Albert

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

Maximum UV Index Levels in St. Albert for September

The chart shows the monthly maximum UV Index (UVI) for St. Albert 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 St. Albert typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235677876421
Data source: St. Albert 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 St. Albert Compares to Other Months

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

This table compares monthly weather conditions in St. Albert, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)18 mm (0.7 inches)90%low
February Weather-13°C (9°F)20 mm (0.8 inches)92%moderate
March Weather-5°C (23°F)23 mm (0.9 inches)87%moderate
April Weather2°C (36°F)29 mm (1.1 inches)81%high
May Weather11°C (52°F)57 mm (2.2 inches)77%high
June Weather15°C (60°F)105 mm (4.1 inches)77%high
July Weather17°C (63°F)98 mm (3.9 inches)81%very high
August Weather16°C (60°F)63 mm (2.5 inches)78%high
September Weather10°C (51°F)41 mm (1.6 inches)73%high
October Weather3°C (38°F)27 mm (1.1 inches)78%moderate
November Weather-5°C (23°F)37 mm (1.5 inches)82%low
December Weather-9°C (15°F)20 mm (0.8 inches)91%low

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