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September Weather in Hawkesbury, Canada

Last updated: June 18, 2025

In September, the average temperature in Hawkesbury, Canada is a pleasant 16°C (60°F). Expect temperature variations where it can dip to a minimum of 0°C (32°F) or soar up to a maximum of 32°C (89°F). This month also sees an average precipitation of 86 mm (3.4 in) spread over 9 days, contributing to a relatively high average humidity of 78%.

September Temperature in Hawkesbury

In September in Hawkesbury, the average temperature is 16°C (60°F), with maximums reaching 32°C (89°F) and minimums dropping as low as 0°C (32°F). Be prepared for a wide range of temperatures to ensure a comfortable and enjoyable travel experience.

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

The chart illustrates September temperature patterns in Hawkesbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hawkesbury, September typically has an average temperature of 16°C (60°F), with highs reaching up to 32°C (89°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec161928425665706860493322
Data source: Temperature data for Hawkesbury 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 Hawkesbury

In Hawkesbury in September, the precipitation amount is 86 mm (3.4 in), falling over the course of 9 days.

September Precipitation Trends in Hawkesbury

The chart displays monthly precipitation patterns in Hawkesbury, 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 Hawkesbury, September typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8590931191131111281118613510990
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hawkesbury

In Hawkesbury in September humidity is 78%. With an average temperature of 16°C (60°F), this humidity feels like a damp embrace, making travel a bit uncomfortable as the air clings to your skin and leaves you feeling sticky.

September Average Humidity in Hawkesbury

This chart illustrates the average monthly humidity levels in Hawkesbury, 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 Hawkesbury is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hawkesbury

In Hawkesbury 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 Hawkesbury.

Maximum UV Index Levels in Hawkesbury for September

The chart shows the monthly maximum UV Index (UVI) for Hawkesbury 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 Hawkesbury typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
Data source: Hawkesbury 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 Hawkesbury Compares to Other Months

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

This table compares monthly weather conditions in Hawkesbury, 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 (3.4 inches)93%low
February Weather-7°C (19°F)90 mm (3.5 inches)92%moderate
March Weather-2°C (28°F)93 mm (3.7 inches)86%moderate
April Weather6°C (42°F)119 mm (4.7 inches)85%high
May Weather13°C (56°F)113 mm (4.4 inches)80%very high
June Weather18°C (65°F)110 mm (4.4 inches)74%very high
July Weather21°C (71°F)128 mm (5.1 inches)76%very high
August Weather20°C (68°F)111 mm (4.4 inches)75%very high
September Weather16°C (60°F)86 mm (3.4 inches)78%high
October Weather9°C (49°F)135 mm (5.3 inches)86%moderate
November Weather1°C (33°F)109 mm (4.3 inches)88%moderate
December Weather-5°C (23°F)90 mm (3.5 inches)89%low

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