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September Weather in Brandon, Canada

Last updated: June 18, 2025

In September, the average temperature in Brandon, Canada hovers around 13°C (56°F). Weather can be quite variable, with temperatures dipping as low as -4°C (24°F) and soaring to a maximum of 30°C (87°F). Expect around 72 mm (2.8 in) of precipitation spread over 9 days, while the average humidity sits at a comfortable 71%.

September Temperature in Brandon

In September in Brandon, the average temperature is 13°C (56°F), with maximums that can reach 30°C (87°F) and minimums that can drop as low as -4°C (24°F). This range makes it essential for travelers to pack layers to stay comfortable in varying conditions.

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

The chart illustrates September temperature patterns in Brandon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brandon, September typically has an average temperature of 13°C (56°F), with highs reaching up to 30°C (87°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec6322355264686455402312
Data source: Temperature data for Brandon 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 Brandon

In Brandon in September, the precipitation amount is 72 mm (2.8 in) over the course of 9 days.

September Precipitation Trends in Brandon

The chart displays monthly precipitation patterns in Brandon, 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 Brandon, September typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec141326253086616772382721
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Brandon

In Brandon 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 Brandon

This chart illustrates the average monthly humidity levels in Brandon, 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 Brandon 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 Brandon

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

Maximum UV Index Levels in Brandon for September

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

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

This table compares monthly weather conditions in Brandon, 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 (3°F)13 mm (0.5 inches)91%moderate
March Weather-5°C (22°F)26 mm (1.0 inches)87%moderate
April Weather2°C (35°F)25 mm (1.0 inches)78%high
May Weather11°C (53°F)29 mm (1.2 inches)73%very high
June Weather18°C (64°F)86 mm (3.4 inches)71%very high
July Weather20°C (69°F)61 mm (2.4 inches)76%very high
August Weather18°C (65°F)67 mm (2.6 inches)77%very high
September Weather13°C (56°F)72 mm (2.8 inches)71%high
October Weather4°C (40°F)38 mm (1.5 inches)75%moderate
November Weather-5°C (23°F)27 mm (1.1 inches)84%low
December Weather-11°C (13°F)21 mm (0.8 inches)92%low

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