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September Weather in Sundre, Canada

Last updated: June 18, 2025

In Sundre, Canada, the average temperature in September hovers around 9°C (49°F), with temperatures ranging from a chilly -6°C (22°F) to a warm 31°C (87°F). Expect about 65 mm (2.6 in) of precipitation spread over 11 days, while the average humidity sits at a comfortable 74%.

September Temperature in Sundre

In September in Sundre, the average temperature is 9°C (49°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop as low as -6°C (22°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Sundre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sundre, September typically has an average temperature of 9°C (49°F), with highs reaching up to 31°C (87°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec181225344856605849372819
Data source: Temperature data for Sundre 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 Sundre

In Sundre in September, the precipitation amount is 65 mm (2.6 in) over a span of 11 days.

September Precipitation Trends in Sundre

The chart displays monthly precipitation patterns in Sundre, 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 Sundre, September typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec10293351681041076865353227
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sundre

In Sundre in September humidity is 74%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace that can make outdoor activities somewhat uncomfortable; travelers may find themselves needing to dress in layers to stay warm while also coping with the dampness in the air.

September Average Humidity in Sundre

This chart illustrates the average monthly humidity levels in Sundre, 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 Sundre is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%93%88%84%80%79%80%77%74%80%86%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sundre

In Sundre 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 Sundre.

Maximum UV Index Levels in Sundre for September

The chart shows the monthly maximum UV Index (UVI) for Sundre 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 Sundre typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678987421
Data source: Sundre 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 Sundre Compares to Other Months

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

This table compares monthly weather conditions in Sundre, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)10 mm (0.4 inches)91%low
February Weather-11°C (12°F)29 mm (1.1 inches)93%moderate
March Weather-4°C (25°F)33 mm (1.3 inches)88%moderate
April Weather1°C (35°F)51 mm (2.0 inches)84%high
May Weather9°C (49°F)68 mm (2.7 inches)80%high
June Weather13°C (56°F)104 mm (4.1 inches)79%very high
July Weather15°C (60°F)106 mm (4.2 inches)80%very high
August Weather15°C (58°F)68 mm (2.7 inches)77%very high
September Weather9°C (49°F)65 mm (2.6 inches)74%high
October Weather3°C (37°F)35 mm (1.4 inches)80%moderate
November Weather-2°C (28°F)32 mm (1.3 inches)86%low
December Weather-7°C (20°F)27 mm (1.1 inches)92%low

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