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September Weather in Wembley, Canada

Last updated: June 18, 2025

In September, the average temperature in Wembley, Canada hovers around 10°C (50°F). Expect a range of temperatures, with minimums dipping to -8°C (17°F) and maximums reaching up to 28°C (83°F). Rainfall is common, with 51 mm (2.0 in) spread over 9 days. The air tends to be quite humid, with an average humidity of 80%.

September Temperature in Wembley

In September in Wembley, the average temperature is 10°C (50°F), with maximums reaching up to 28°C (83°F) and minimums dropping as low as -8°C (17°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

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

The chart illustrates September temperature patterns in Wembley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wembley, September typically has an average temperature of 10°C (50°F), with highs reaching up to 28°C (83°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec141022345159615950372316
Data source: Temperature data for Wembley 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 Wembley

In Wembley in September, the total precipitation amount is 51 mm (2.0 in) spread over 9 days.

September Precipitation Trends in Wembley

The chart displays monthly precipitation patterns in Wembley, 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 Wembley, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec233032344066975351435924
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Wembley

In Wembley in September, humidity is 80%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill enveloping you, making traveling somewhat uncomfortable as it seeps into your clothes and clings to your skin, leaving you longing for a cozy indoor refuge.

September Average Humidity in Wembley

This chart illustrates the average monthly humidity levels in Wembley, 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 Wembley is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%94%89%85%81%78%84%82%80%86%91%96%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Wembley

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

Maximum UV Index Levels in Wembley for September

The chart shows the monthly maximum UV Index (UVI) for Wembley 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 Wembley typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123677776311
Data source: Wembley 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 Wembley Compares to Other Months

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

This table compares monthly weather conditions in Wembley, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)23 mm (0.9 inches)93%low
February Weather-12°C (10°F)30 mm (1.2 inches)94%low
March Weather-5°C (23°F)32 mm (1.3 inches)89%moderate
April Weather1°C (35°F)34 mm (1.3 inches)85%high
May Weather10°C (51°F)40 mm (1.6 inches)81%high
June Weather15°C (59°F)66 mm (2.6 inches)78%high
July Weather16°C (62°F)97 mm (3.8 inches)84%high
August Weather15°C (59°F)53 mm (2.1 inches)81%high
September Weather10°C (50°F)51 mm (2.0 inches)80%high
October Weather3°C (37°F)43 mm (1.7 inches)86%moderate
November Weather-5°C (23°F)59 mm (2.3 inches)91%low
December Weather-9°C (16°F)24 mm (0.9 inches)96%low

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