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September Weather in Souris, Canada

Last updated: June 18, 2025

In September, the average temperature in Souris, Canada hovers around 13°C (56°F). While you might experience a chilly minimum of -4°C (26°F), be prepared for the occasional warm spell with highs reaching 31°C (89°F). This month brings about 66 mm (2.6 in) of precipitation spread over 9 days, and with an average humidity of 71%, expect a touch of moistness in the air.

September Temperature in Souris

In September in Souris, the average temperature is 13°C (56°F). Maximums can reach 31°C (89°F), while minimums can drop to as low as -4°C (26°F). Pack for a range of weather conditions to fully enjoy your trip!

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

The chart illustrates September temperature patterns in Souris, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Souris, September typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (89°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec7423355364696556402314
Data source: Temperature data for Souris 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 Souris

In Souris in September, the precipitation amount is 66 mm (2.6 in) over the course of 9 days.

September Precipitation Trends in Souris

The chart displays monthly precipitation patterns in Souris, 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 Souris, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec141425253294556266412721
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Souris

In Souris in September humidity is 71%. With an average temperature of 13°C (56°F), this humidity feels like a damp embrace that can make exploring the area feel a bit stifling and requires light, breathable clothing to remain comfortable while traveling.

September Average Humidity in Souris

This chart illustrates the average monthly humidity levels in Souris, 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 Souris is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%91%87%78%73%71%76%77%71%75%84%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Souris

In Souris 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 Souris, you can refer to this Hourly UV Index in Souris.

Maximum UV Index Levels in Souris for September

The chart shows the monthly maximum UV Index (UVI) for Souris 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 Souris typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245789986421
Data source: Souris 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 Souris Compares to Other Months

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

This table compares monthly weather conditions in Souris, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-14°C (7°F)14 mm (0.5 inches)89%low
February Weather-16°C (4°F)14 mm (0.5 inches)91%moderate
March Weather-5°C (23°F)25 mm (1.0 inches)87%moderate
April Weather2°C (36°F)25 mm (1.0 inches)78%high
May Weather11°C (53°F)31 mm (1.2 inches)73%very high
June Weather18°C (65°F)94 mm (3.7 inches)71%very high
July Weather20°C (69°F)54 mm (2.1 inches)76%very high
August Weather18°C (65°F)62 mm (2.5 inches)77%very high
September Weather13°C (56°F)66 mm (2.6 inches)71%high
October Weather4°C (40°F)41 mm (1.6 inches)75%moderate
November Weather-5°C (24°F)27 mm (1.1 inches)84%low
December Weather-10°C (14°F)21 mm (0.8 inches)92%low

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