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September Weather in Prevost, Canada

Last updated: June 18, 2025

In September, the average temperature in Prevost, Canada is a pleasant 15°C (60°F). However, temperatures can vary significantly, dropping as low as 0°C (32°F) and soaring up to 31°C (89°F). Expect about 82 mm (3.2 in) of precipitation spread over 9 days, contributing to an average humidity level of 78%. Stay prepared for whatever the weather brings!

September Temperature in Prevost

In September in Prevost, the average temperature is 15°C (60°F). Maximums can reach 31°C (89°F) and minimums can be as low as 0°C (32°F). This makes Prevost an ideal destination for travelers seeking a mix of mild days and cooler evenings.

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

The chart illustrates September temperature patterns in Prevost, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Prevost, September typically has an average temperature of 15°C (60°F), with highs reaching up to 31°C (89°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec151827415565706860483221
Data source: Temperature data for Prevost 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 Prevost

In Prevost in September, the total precipitation amount is 82 mm (3.2 in), occurring over a span of 9 days.

September Precipitation Trends in Prevost

The chart displays monthly precipitation patterns in Prevost, 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 Prevost, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8589901211051061101048213011293
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Prevost

In Prevost in September, humidity is 78%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp embrace that can make outdoor activities a bit uncomfortable, highlighting the importance of staying hydrated and taking breaks in the shade while exploring.

September Average Humidity in Prevost

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

In Prevost 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 Prevost.

Maximum UV Index Levels in Prevost for September

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

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

This table compares monthly weather conditions in Prevost, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (15°F)85 mm (3.4 inches)93%low
February Weather-8°C (18°F)89 mm (3.5 inches)92%moderate
March Weather-3°C (27°F)90 mm (3.6 inches)86%moderate
April Weather5°C (41°F)121 mm (4.8 inches)85%high
May Weather13°C (56°F)105 mm (4.1 inches)80%very high
June Weather18°C (65°F)106 mm (4.2 inches)74%very high
July Weather21°C (71°F)110 mm (4.3 inches)76%very high
August Weather20°C (68°F)104 mm (4.1 inches)75%very high
September Weather15°C (60°F)82 mm (3.2 inches)78%high
October Weather9°C (48°F)129 mm (5.1 inches)86%moderate
November Weather0°C (33°F)112 mm (4.4 inches)88%moderate
December Weather-6°C (21°F)93 mm (3.7 inches)89%low

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