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September Weather in Saint-Augustin, Canada

Last updated: June 18, 2025

In September, the average temperature in Saint-Augustin, Canada is a mild 12°C (53°F). Expect a minimum temperature of -1°C (30°F) and a warm maximum of 22°C (72°F). During this month, precipitation typically reaches 140 mm (5.5 in) over 14 days, creating a humid atmosphere with an average humidity of 87%.

September Temperature in Saint-Augustin

In September in Saint-Augustin, the average temperature is 12°C (53°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -1°C (30°F). This weather makes it a perfect time for travelers to enjoy outdoor activities while still being prepared for cooler evenings.

September Weather in Saint-Augustin: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Saint-Augustin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Augustin, September typically has an average temperature of 12°C (53°F), with highs reaching up to 22°C (72°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec121122324151606253433221
Data source: Temperature data for Saint-Augustin 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 Saint-Augustin

In Saint-Augustin in September, the precipitation amount is 140 mm (5.5 in) over the course of 14 days.

September Precipitation Trends in Saint-Augustin

The chart displays monthly precipitation patterns in Saint-Augustin, 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 Saint-Augustin, September typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec899394988511891124140100168130
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Saint-Augustin

In Saint-Augustin in September, humidity is 87%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and stifling, as the air thickens and clings to your skin, sapping your energy as you navigate the sights.

September Average Humidity in Saint-Augustin

This chart illustrates the average monthly humidity levels in Saint-Augustin, 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 Saint-Augustin is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%91%90%88%82%87%88%87%86%87%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Saint-Augustin

In Saint-Augustin 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 Saint-Augustin, you can refer to this Hourly UV Index in Saint-Augustin.

Maximum UV Index Levels in Saint-Augustin for September

The chart shows the monthly maximum UV Index (UVI) for Saint-Augustin 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 Saint-Augustin typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec134679776421
Data source: Saint-Augustin 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 Saint-Augustin Compares to Other Months

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

This table compares monthly weather conditions in Saint-Augustin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)88 mm (3.5 inches)91%low
February Weather-12°C (11°F)93 mm (3.7 inches)92%moderate
March Weather-6°C (22°F)94 mm (3.7 inches)91%moderate
April Weather0°C (33°F)98 mm (3.9 inches)89%high
May Weather5°C (42°F)85 mm (3.3 inches)88%high
June Weather10°C (51°F)117 mm (4.6 inches)82%very high
July Weather15°C (60°F)91 mm (3.6 inches)87%high
August Weather16°C (62°F)124 mm (4.9 inches)88%high
September Weather12°C (53°F)140 mm (5.5 inches)87%high
October Weather6°C (43°F)100 mm (3.9 inches)86%moderate
November Weather0°C (32°F)168 mm (6.6 inches)87%low
December Weather-6°C (21°F)130 mm (5.1 inches)92%low

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