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September Weather in Three Hills, Canada

Last updated: June 18, 2025

In September, the average temperature in Three Hills, Canada hovers around 11°C (52°F). Temperatures can be quite variable, with a minimum of -4°C (25°F) and a maximum reaching up to 33°C (91°F). This month, expect an average precipitation of 42 mm (1.7 in) over 10 days, with a notable average humidity of 74%. Be prepared for a mix of weather as you explore!

September Temperature in Three Hills

In September in Three Hills, the average temperature is 11°C (52°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop as low as -4°C (25°F). This varied climate makes Three Hills an intriguing destination for travelers seeking diverse weather experiences.

September Weather in Three Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Three Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Three Hills, September typically has an average temperature of 11°C (52°F), with highs reaching up to 33°C (91°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec14924365259636252382516
Data source: Temperature data for Three Hills 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 Three Hills

In Three Hills in September, the precipitation amount is 42 mm (1.7 in) over the course of 10 days.

September Precipitation Trends in Three Hills

The chart displays monthly precipitation patterns in Three Hills, 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 Three Hills, September typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec92125285494794242242921
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Three Hills

In Three Hills 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 Three Hills

This chart illustrates the average monthly humidity levels in Three Hills, 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 Three Hills 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 Three Hills

In Three Hills 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 Three Hills.

Maximum UV Index Levels in Three Hills for September

The chart shows the monthly maximum UV Index (UVI) for Three Hills 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 Three Hills typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234778887421
Data source: Three Hills 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 Three Hills Compares to Other Months

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

This table compares monthly weather conditions in Three Hills, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)9 mm (0.4 inches)91%low
February Weather-13°C (10°F)21 mm (0.8 inches)93%moderate
March Weather-5°C (24°F)25 mm (1.0 inches)88%moderate
April Weather2°C (36°F)28 mm (1.1 inches)84%high
May Weather11°C (52°F)54 mm (2.1 inches)80%high
June Weather15°C (60°F)94 mm (3.7 inches)79%very high
July Weather17°C (63°F)79 mm (3.1 inches)80%very high
August Weather17°C (62°F)42 mm (1.6 inches)77%very high
September Weather11°C (52°F)42 mm (1.7 inches)74%high
October Weather3°C (38°F)24 mm (1.0 inches)80%moderate
November Weather-4°C (26°F)29 mm (1.1 inches)86%low
December Weather-9°C (17°F)21 mm (0.8 inches)92%low

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