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September Weather in Powassan, Canada

Last updated: June 18, 2025

In September, the average temperature in Powassan, Canada hovers around 14°C (57°F), with lows dipping to -1°C (30°F) and highs reaching up to 30°C (86°F). Expect 121 mm (4.8 in) of precipitation spread across approximately 12 days, accompanied by an average humidity of 74%.

September Temperature in Powassan

In September in Powassan, the average temperature is 14°C (57°F). Maximum can reach 30°C (86°F) and minimum can be as low as -1°C (30°F). This range makes Powassan an ideal destination for travelers looking to experience a diverse climate during their trip.

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

The chart illustrates September temperature patterns in Powassan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Powassan, September typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (86°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec131524375262686457453019
Data source: Temperature data for Powassan 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 Powassan

In Powassan in September, the precipitation amount reaches 121 mm (4.8 in) over the course of 12 days.

September Precipitation Trends in Powassan

The chart displays monthly precipitation patterns in Powassan, 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 Powassan, September typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec6173631061081231081281211149581
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Powassan

In Powassan in September, humidity is 74%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making it slightly uncomfortable for traveling, as you may find yourself quickly sweating and in need of frequent breaks to cool down.

September Average Humidity in Powassan

This chart illustrates the average monthly humidity levels in Powassan, 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 Powassan is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%94%87%82%74%68%67%67%74%83%89%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Powassan

In Powassan 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 Powassan.

Maximum UV Index Levels in Powassan for September

The chart shows the monthly maximum UV Index (UVI) for Powassan 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 Powassan typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Powassan 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 Powassan Compares to Other Months

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

This table compares monthly weather conditions in Powassan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)61 mm (2.4 inches)93%low
February Weather-9°C (16°F)73 mm (2.9 inches)94%moderate
March Weather-4°C (24°F)63 mm (2.5 inches)87%moderate
April Weather3°C (38°F)106 mm (4.2 inches)82%high
May Weather11°C (52°F)108 mm (4.2 inches)74%very high
June Weather16°C (62°F)123 mm (4.8 inches)68%very high
July Weather20°C (68°F)108 mm (4.3 inches)67%very high
August Weather18°C (65°F)128 mm (5.0 inches)67%very high
September Weather14°C (57°F)121 mm (4.8 inches)74%high
October Weather7°C (46°F)114 mm (4.5 inches)83%moderate
November Weather-1°C (30°F)95 mm (3.7 inches)89%moderate
December Weather-7°C (20°F)81 mm (3.2 inches)91%low

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