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September Weather in Stettler, Canada

Last updated: June 18, 2025

In September, the average temperature in Stettler, Canada hovers around 11°C (51°F), with a potential dip to -4°C (26°F) and a peak of 30°C (87°F). Visitors can expect 44 mm (1.7 in) of precipitation spread over approximately 10 days, coupled with an average humidity level of 73%.

September Temperature in Stettler

In September in Stettler, the average temperature is 11°C (51°F). Maximums can reach 30°C (87°F), and minimums can drop to as low as -4°C (26°F). Be prepared for a wide range of temperatures to make the most of your travels.

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

The chart illustrates September temperature patterns in Stettler, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stettler, September typically has an average temperature of 11°C (51°F), with highs reaching up to 30°C (87°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec141024365259636151372516
Data source: Temperature data for Stettler 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 Stettler

In Stettler in September, the total precipitation amount is 44 mm (1.7 in) over the course of 10 days.

September Precipitation Trends in Stettler

The chart displays monthly precipitation patterns in Stettler, 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 Stettler, September typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1118262657101804344253018
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Stettler

In Stettler in September humidity is 73%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill that penetrates your clothes, making it a bit uncomfortable for traveling.

September Average Humidity in Stettler

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

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

Maximum UV Index Levels in Stettler for September

The chart shows the monthly maximum UV Index (UVI) for Stettler 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 Stettler typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678876421
Data source: Stettler 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 Stettler Compares to Other Months

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

This table compares monthly weather conditions in Stettler, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)11 mm (0.4 inches)90%low
February Weather-12°C (10°F)18 mm (0.7 inches)92%moderate
March Weather-5°C (24°F)26 mm (1.0 inches)87%moderate
April Weather2°C (36°F)26 mm (1.0 inches)81%high
May Weather11°C (52°F)57 mm (2.2 inches)77%high
June Weather15°C (60°F)101 mm (4.0 inches)77%very high
July Weather17°C (63°F)80 mm (3.2 inches)81%very high
August Weather16°C (61°F)43 mm (1.7 inches)78%high
September Weather11°C (51°F)44 mm (1.7 inches)73%high
October Weather3°C (38°F)25 mm (1.0 inches)78%moderate
November Weather-4°C (25°F)30 mm (1.2 inches)82%low
December Weather-9°C (17°F)18 mm (0.7 inches)91%low

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