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September Weather in Okotoks, Canada

Last updated: June 18, 2025

In September, the average temperature in Okotoks, Canada hovers around 11°C (52°F). While you might experience lows of -3°C (27°F), be prepared for occasional highs reaching 33°C (92°F). During this month, 42 mm (1.7 in) of precipitation can be expected over the span of 8 days, accompanied by an average humidity of 74%.

September Temperature in Okotoks

In September in Okotoks, the average temperature is 11°C (52°F). Maximum temperatures can reach as high as 33°C (92°F), while minimums can drop to as low as -3°C (27°F). Be prepared for a wide range of temperatures when traveling to Okotoks during this month.

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

The chart illustrates September temperature patterns in Okotoks, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Okotoks, September typically has an average temperature of 11°C (52°F), with highs reaching up to 33°C (92°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec201428375059636252392921
Data source: Temperature data for Okotoks 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 Okotoks

In Okotoks in September, the precipitation amount is 42 mm (1.7 in) over the course of 8 days.

September Precipitation Trends in Okotoks

The chart displays monthly precipitation patterns in Okotoks, 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 Okotoks, September typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec92928416376634342312624
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Okotoks

In Okotoks in September, humidity is 74%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill in the air, making travel outdoors feel heavier and more cumbersome, often leading to discomfort and a need for warmer clothing.

September Average Humidity in Okotoks

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

In Okotoks 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 Okotoks.

Maximum UV Index Levels in Okotoks for September

The chart shows the monthly maximum UV Index (UVI) for Okotoks 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 Okotoks typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688987421
Data source: Okotoks 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 Okotoks Compares to Other Months

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

This table compares monthly weather conditions in Okotoks, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)9 mm (0.3 inches)91%low
February Weather-10°C (15°F)29 mm (1.1 inches)93%moderate
March Weather-2°C (28°F)28 mm (1.1 inches)88%moderate
April Weather3°C (37°F)41 mm (1.6 inches)84%high
May Weather10°C (51°F)63 mm (2.5 inches)80%very high
June Weather15°C (59°F)76 mm (3.0 inches)79%very high
July Weather17°C (63°F)63 mm (2.5 inches)80%very high
August Weather17°C (62°F)43 mm (1.7 inches)77%very high
September Weather11°C (52°F)42 mm (1.7 inches)74%high
October Weather4°C (39°F)31 mm (1.2 inches)80%moderate
November Weather-2°C (29°F)26 mm (1.0 inches)86%low
December Weather-6°C (21°F)24 mm (0.9 inches)92%low

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