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September Weather in Kapuskasing, Canada

Last updated: June 18, 2025

In Kapuskasing, Canada, the average temperature in September is a comfortable 12°C (53°F). However, temperatures can fluctuate, with a minimum of -3°C (27°F) and a maximum reaching 28°C (84°F). Expect around 107 mm (4.2 in) of precipitation spread over 14 days, and keep in mind the average humidity hovers at a moderate 75%.

September Temperature in Kapuskasing

In September in Kapuskasing, the average temperature is 12°C (53°F). Maximum temperatures can reach 28°C (84°F), while the minimum can drop as low as -3°C (27°F). It's a good time to travel if you enjoy experiencing a range of temperatures, so be sure to pack accordingly!

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

The chart illustrates September temperature patterns in Kapuskasing, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kapuskasing, September typically has an average temperature of 12°C (53°F), with highs reaching up to 28°C (84°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec5518324860666253402310
Data source: Temperature data for Kapuskasing 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 Kapuskasing

In Kapuskasing in September, the precipitation amount is 107 mm (4.2 in) spread over a period of 14 days.

September Precipitation Trends in Kapuskasing

The chart displays monthly precipitation patterns in Kapuskasing, 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 Kapuskasing, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec334544667011081741071016152
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kapuskasing

In Kapuskasing in September, humidity is 75%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that clings to your skin, making leisurely exploration feel sluggish and heavy, perhaps leaving you yearning for cozy indoor retreats.

September Average Humidity in Kapuskasing

This chart illustrates the average monthly humidity levels in Kapuskasing, 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 Kapuskasing is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%94%88%72%67%69%67%75%84%90%96%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kapuskasing

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

Maximum UV Index Levels in Kapuskasing for September

The chart shows the monthly maximum UV Index (UVI) for Kapuskasing 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 Kapuskasing typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec134788876421
Data source: Kapuskasing 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 Kapuskasing Compares to Other Months

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

This table compares monthly weather conditions in Kapuskasing, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-15°C (5°F)33 mm (1.3 inches)97%low
February Weather-15°C (5°F)45 mm (1.8 inches)95%moderate
March Weather-8°C (18°F)44 mm (1.7 inches)94%moderate
April Weather0°C (32°F)66 mm (2.6 inches)88%high
May Weather9°C (49°F)70 mm (2.8 inches)72%very high
June Weather15°C (60°F)110 mm (4.3 inches)66%very high
July Weather19°C (66°F)81 mm (3.2 inches)69%very high
August Weather17°C (62°F)74 mm (2.9 inches)67%high
September Weather12°C (53°F)107 mm (4.2 inches)75%high
October Weather5°C (40°F)101 mm (4.0 inches)84%moderate
November Weather-5°C (23°F)61 mm (2.4 inches)90%low
December Weather-12°C (10°F)52 mm (2.0 inches)96%low

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