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September Weather in Saint-Andre, Canada

Last updated: June 18, 2025

In September, the average temperature in Saint-Andre, Canada hovers around 13°C (55°F). Expect a minimum of 4°C (40°F) and a comfortable maximum of 23°C (74°F). Be prepared for some rain, as you can anticipate about 85 mm (3.3 in) of precipitation over 12 days. With an average humidity of 85%, it's a month where you might feel a touch of stickiness in the air.

September Temperature in Saint-Andre

In September in Saint-Andre, the average temperature is 13°C (55°F). Maximums can reach 23°C (74°F), while minimums can dip to as low as 4°C (40°F). This mild climate makes it a great time to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Saint-Andre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Andre, September typically has an average temperature of 13°C (55°F), with highs reaching up to 23°C (74°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec151625344556626255463222
Data source: Temperature data for Saint-Andre 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-Andre

In Saint-Andre in September, the precipitation amount is 85 mm (3.3 in) over a duration of 12 days.

September Precipitation Trends in Saint-Andre

The chart displays monthly precipitation patterns in Saint-Andre, 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-Andre, September typically receives around 85 mm (3.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8572881261047659598516511894
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Saint-Andre

In Saint-Andre in September, humidity is 85%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making even short walks feel exhausting and urging travelers to seek shade and refreshment frequently.

September Average Humidity in Saint-Andre

This chart illustrates the average monthly humidity levels in Saint-Andre, 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-Andre is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%87%82%77%82%83%85%87%88%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Saint-Andre

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

Maximum UV Index Levels in Saint-Andre for September

The chart shows the monthly maximum UV Index (UVI) for Saint-Andre 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-Andre typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789886422
Data source: Saint-Andre 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-Andre Compares to Other Months

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

This table compares monthly weather conditions in Saint-Andre, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)85 mm (3.3 inches)93%low
February Weather-9°C (17°F)72 mm (2.8 inches)92%moderate
March Weather-4°C (25°F)88 mm (3.4 inches)90%moderate
April Weather1°C (35°F)126 mm (5.0 inches)87%high
May Weather7°C (46°F)104 mm (4.1 inches)82%very high
June Weather14°C (57°F)76 mm (3.0 inches)77%very high
July Weather17°C (62°F)59 mm (2.3 inches)81%very high
August Weather17°C (62°F)59 mm (2.3 inches)83%very high
September Weather13°C (55°F)85 mm (3.3 inches)85%high
October Weather8°C (46°F)165 mm (6.5 inches)87%moderate
November Weather0°C (32°F)118 mm (4.6 inches)87%low
December Weather-6°C (22°F)94 mm (3.7 inches)90%low

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