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September Weather in Prescott, Canada

Last updated: June 18, 2025

In September, the average temperature in Prescott, Canada is a comfortable 17°C (62°F). Expect fluctuations, with minimum temperatures dipping to 1°C (34°F) and highs soaring up to 32°C (90°F). Be prepared for some rain, as 68 mm (2.7 in) of precipitation may fall over 8 days. The average humidity sits at a pleasant 72%, making for a balanced climate.

September Temperature in Prescott

In September, in Prescott, the average temperature is 17°C (62°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop to as low as 1°C (34°F). This makes Prescott an ideal destination for travelers seeking a range of experiences, from warm days to cool, refreshing nights.

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

The chart illustrates September temperature patterns in Prescott, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Prescott, September typically has an average temperature of 17°C (62°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec202231445665717062513627
Data source: Temperature data for Prescott 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 Prescott

In Prescott in September, the precipitation amount is 68 mm (2.7 in) spread over 8 days.

September Precipitation Trends in Prescott

The chart displays monthly precipitation patterns in Prescott, 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 Prescott, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec807982118105911161006813910587
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Prescott

In Prescott in September humidity is 72%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls but potentially heavy on the skin, prompting travelers to seek shade during midday excursions.

September Average Humidity in Prescott

This chart illustrates the average monthly humidity levels in Prescott, 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 Prescott is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Prescott

In Prescott 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 Prescott.

Maximum UV Index Levels in Prescott for September

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

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

This table compares monthly weather conditions in Prescott, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)80 mm (3.2 inches)93%low
February Weather-5°C (22°F)79 mm (3.1 inches)93%moderate
March Weather-1°C (31°F)82 mm (3.2 inches)86%moderate
April Weather6°C (44°F)118 mm (4.6 inches)82%very high
May Weather13°C (57°F)105 mm (4.1 inches)75%very high
June Weather18°C (66°F)90 mm (3.6 inches)68%very high
July Weather22°C (72°F)116 mm (4.6 inches)69%very high
August Weather21°C (70°F)100 mm (3.9 inches)67%very high
September Weather17°C (62°F)68 mm (2.7 inches)72%high
October Weather10°C (51°F)139 mm (5.5 inches)83%moderate
November Weather2°C (37°F)105 mm (4.1 inches)88%moderate
December Weather-3°C (27°F)87 mm (3.4 inches)89%low

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