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September Weather in Brampton, Canada

Last updated: June 18, 2025

In September, the average temperature in Brampton, Canada hovers around 17°C (62°F). Expect some variability, with minimums dipping to 2°C (35°F) and maximums reaching 33°C (91°F). During this month, precipitation averages 64 mm (2.5 in) spread over 9 days, while the average humidity stays high at 76%. Prepare for a mix of mild weather and occasional rain!

September Temperature in Brampton

In September in Brampton, the average temperature is 17°C (62°F). The maximum can reach 33°C (91°F), while the minimum can be as low as 2°C (35°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their visit.

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

The chart illustrates September temperature patterns in Brampton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brampton, September typically has an average temperature of 17°C (62°F), with highs reaching up to 33°C (91°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec232432425666727062513729
Data source: Temperature data for Brampton 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 Brampton

In Brampton in September, the precipitation amount is 64 mm (2.5 in) over a span of 9 days.

September Precipitation Trends in Brampton

The chart displays monthly precipitation patterns in Brampton, 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 Brampton, September typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6366571019394839164987268
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Brampton

In Brampton in September, humidity is 76%. With an average temperature of 17°C (62°F), this humidity feels like a warm, enveloping embrace, making travel feel slightly more challenging as it can lead to a sticky discomfort, especially during outdoor excursions.

September Average Humidity in Brampton

This chart illustrates the average monthly humidity levels in Brampton, 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 Brampton is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Brampton

In Brampton 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 Brampton.

Maximum UV Index Levels in Brampton for September

The chart shows the monthly maximum UV Index (UVI) for Brampton 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 Brampton typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Brampton 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 Brampton Compares to Other Months

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

This table compares monthly weather conditions in Brampton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)63 mm (2.5 inches)91%low
February Weather-4°C (25°F)66 mm (2.6 inches)91%moderate
March Weather0°C (32°F)57 mm (2.3 inches)88%moderate
April Weather6°C (43°F)101 mm (4.0 inches)88%very high
May Weather13°C (56°F)93 mm (3.7 inches)82%very high
June Weather19°C (66°F)94 mm (3.7 inches)79%very high
July Weather22°C (72°F)83 mm (3.3 inches)77%very high
August Weather21°C (70°F)91 mm (3.6 inches)72%very high
September Weather17°C (62°F)64 mm (2.5 inches)76%high
October Weather10°C (51°F)98 mm (3.9 inches)83%moderate
November Weather3°C (37°F)72 mm (2.8 inches)88%moderate
December Weather-2°C (29°F)68 mm (2.7 inches)87%low

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