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September Weather in Saint-Ignace, Canada

Last updated: June 18, 2025

In September, the average temperature in Saint-Ignace, Canada hovers around 15°C (60°F). You can expect the minimum to dip to 3°C (38°F), while the maximum can soar up to 28°C (83°F). Rain is fairly common, with an average precipitation of 97 mm (3.8 in) over about 12 days. Be prepared for a humid experience as well, with average humidity levels reaching 85%!

September Temperature in Saint-Ignace

In September in Saint-Ignace, the average temperature is 15°C (60°F), with maximums reaching 28°C (83°F) and minimums dropping as low as 3°C (38°F). This weather offers a comfortable climate for traveling, making it an ideal time to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Saint-Ignace, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Ignace, September typically has an average temperature of 15°C (60°F), with highs reaching up to 28°C (83°F) and lows dropping to around 3°C (38°F).
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Data source: Temperature data for Saint-Ignace 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-Ignace

In Saint-Ignace in September, the precipitation amount is 97 mm (3.8 in) spread over 12 days.

September Precipitation Trends in Saint-Ignace

The chart displays monthly precipitation patterns in Saint-Ignace, 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-Ignace, September typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1061008911111791787397103145105
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Saint-Ignace

In Saint-Ignace in September, humidity is 85%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable for travelers who may find themselves constantly seeking shade and hydration.

September Average Humidity in Saint-Ignace

This chart illustrates the average monthly humidity levels in Saint-Ignace, 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-Ignace is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%88%86%83%75%82%84%85%87%86%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Saint-Ignace

In Saint-Ignace 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 Saint-Ignace.

Maximum UV Index Levels in Saint-Ignace for September

The chart shows the monthly maximum UV Index (UVI) for Saint-Ignace 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-Ignace typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789887532
Data source: Saint-Ignace 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-Ignace Compares to Other Months

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

This table compares monthly weather conditions in Saint-Ignace, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)106 mm (4.2 inches)89%low
February Weather-7°C (20°F)100 mm (3.9 inches)90%moderate
March Weather-3°C (27°F)89 mm (3.5 inches)88%moderate
April Weather3°C (38°F)111 mm (4.4 inches)86%high
May Weather9°C (48°F)117 mm (4.6 inches)83%very high
June Weather15°C (60°F)91 mm (3.6 inches)75%very high
July Weather19°C (67°F)78 mm (3.1 inches)82%very high
August Weather20°C (68°F)73 mm (2.9 inches)84%very high
September Weather15°C (60°F)97 mm (3.8 inches)85%high
October Weather10°C (49°F)103 mm (4.1 inches)87%moderate
November Weather2°C (36°F)145 mm (5.7 inches)86%moderate
December Weather-4°C (26°F)105 mm (4.1 inches)88%low

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