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September Weather in Herouxville, Canada

Last updated: June 18, 2025

In September, the average temperature in Herouxville, Canada hovers around 14°C (57°F). While you might experience chilly lows of -2°C (28°F), be prepared for warmer days that can reach up to 31°C (88°F). Expect about 83 mm (3.3 in) of precipitation over 10 days, contributing to an average humidity level of 78%. Embrace the variability this month offers!

September Temperature in Herouxville

In September in Herouxville, the average temperature is 14°C (57°F). Maximum temperatures can reach up to 31°C (88°F), while minimums can drop as low as -2°C (28°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travel adventure.

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

The chart illustrates September temperature patterns in Herouxville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Herouxville, September typically has an average temperature of 14°C (57°F), with highs reaching up to 31°C (88°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec121424385362686657452917
Data source: Temperature data for Herouxville 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 Herouxville

In Herouxville in September, the total precipitation amount is 83 mm (3.3 in) over a span of 10 days.

September Precipitation Trends in Herouxville

The chart displays monthly precipitation patterns in Herouxville, 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 Herouxville, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec777889113951091011068311511492
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Herouxville

In Herouxville in September, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

September Average Humidity in Herouxville

This chart illustrates the average monthly humidity levels in Herouxville, 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 Herouxville is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%94%90%86%78%71%79%78%78%87%90%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Herouxville

In Herouxville 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 Herouxville.

Maximum UV Index Levels in Herouxville for September

The chart shows the monthly maximum UV Index (UVI) for Herouxville 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 Herouxville typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799887532
Data source: Herouxville 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 Herouxville Compares to Other Months

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

This table compares monthly weather conditions in Herouxville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)77 mm (3.0 inches)95%low
February Weather-10°C (15°F)78 mm (3.1 inches)94%moderate
March Weather-4°C (24°F)89 mm (3.5 inches)90%moderate
April Weather3°C (38°F)113 mm (4.4 inches)86%high
May Weather12°C (53°F)95 mm (3.7 inches)77%very high
June Weather17°C (63°F)109 mm (4.3 inches)71%very high
July Weather20°C (68°F)101 mm (4.0 inches)79%very high
August Weather19°C (66°F)105 mm (4.2 inches)78%very high
September Weather14°C (57°F)83 mm (3.3 inches)78%high
October Weather7°C (45°F)115 mm (4.5 inches)87%moderate
November Weather-1°C (30°F)114 mm (4.5 inches)90%moderate
December Weather-8°C (17°F)92 mm (3.6 inches)93%low

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