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September Weather in Keswick Ridge, Canada

Last updated: June 18, 2025

In Keswick Ridge, Canada, the average temperature in September hovers around 15°C (59°F), providing a mild climate. However, temperatures can vary significantly, with a minimum of -2°C (29°F) and a maximum of 32°C (90°F). Expect 101 mm (4.0 in) of precipitation over approximately 10 days, along with a high average humidity of 82%.

September Temperature in Keswick Ridge

In September in Keswick Ridge, the average temperature is 15°C (59°F). Maximums can reach 32°C (90°F) and minimums can be as low as -2°C (29°F). Be sure to pack both light clothing for the warm days and warmer layers for the cooler evenings when traveling.

September Weather in Keswick Ridge: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Keswick Ridge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keswick Ridge, September typically has an average temperature of 15°C (59°F), with highs reaching up to 32°C (90°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec181927405262676658473423
Data source: Temperature data for Keswick Ridge 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 Keswick Ridge

In Keswick Ridge in September, the precipitation amount is 101 mm (4.0 in) spread over the course of 10 days.

September Precipitation Trends in Keswick Ridge

The chart displays monthly precipitation patterns in Keswick Ridge, 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 Keswick Ridge, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec100908111311210210494101106134119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Keswick Ridge

In Keswick Ridge in September, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

September Average Humidity in Keswick Ridge

This chart illustrates the average monthly humidity levels in Keswick Ridge, 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 Keswick Ridge is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%84%82%80%78%82%84%82%82%82%84%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Keswick Ridge

In Keswick Ridge 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 Keswick Ridge.

Maximum UV Index Levels in Keswick Ridge for September

The chart shows the monthly maximum UV Index (UVI) for Keswick Ridge 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 Keswick Ridge typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357910887532
Data source: Keswick Ridge 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 Keswick Ridge Compares to Other Months

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

This table compares monthly weather conditions in Keswick Ridge, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)100 mm (3.9 inches)83%low
February Weather-7°C (20°F)90 mm (3.5 inches)84%moderate
March Weather-3°C (27°F)81 mm (3.2 inches)82%moderate
April Weather5°C (41°F)113 mm (4.4 inches)80%high
May Weather11°C (52°F)112 mm (4.4 inches)78%very high
June Weather16°C (62°F)102 mm (4.0 inches)82%very high
July Weather20°C (68°F)104 mm (4.1 inches)84%very high
August Weather19°C (67°F)94 mm (3.7 inches)82%very high
September Weather15°C (59°F)101 mm (4.0 inches)82%high
October Weather8°C (47°F)106 mm (4.2 inches)82%moderate
November Weather1°C (34°F)134 mm (5.3 inches)84%moderate
December Weather-5°C (23°F)119 mm (4.7 inches)82%low

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