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September Weather in Lorne, Canada

Last updated: June 18, 2025

In September, the average temperature in Lorne, Canada hovers around 13°C (55°F). You can expect temperatures to range from a chilly -4°C (25°F) at the lowest to a warm 28°C (83°F) at the highest. Be prepared for some rain, as the region receives an average of 118 mm (4.7 in) of precipitation over 11 days. Additionally, the average humidity is a cozy 85%, making for a rather humid atmosphere.

September Temperature in Lorne

In September in Lorne, the average temperature is 13°C (55°F). Maximums can reach 28°C (83°F) and minimums can be as low as -4°C (25°F). Be sure to pack layers to accommodate the varying temperatures if you're planning to travel during this month.

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

The chart illustrates September temperature patterns in Lorne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lorne, September typically has an average temperature of 13°C (55°F), with highs reaching up to 28°C (83°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec131523354959656455443118
Data source: Temperature data for Lorne 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 Lorne

In Lorne in September, the precipitation amount is 118 mm (4.7 in) over the course of 11 days.

September Precipitation Trends in Lorne

The chart displays monthly precipitation patterns in Lorne, 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 Lorne, September typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec91819311193889686118102122100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lorne

In Lorne in September, humidity is 85%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making even short walks feel exhausting and urging travelers to seek shade and refreshment frequently.

September Average Humidity in Lorne

This chart illustrates the average monthly humidity levels in Lorne, 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 Lorne is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%88%86%83%75%82%84%85%87%86%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lorne

In Lorne 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 Lorne.

Maximum UV Index Levels in Lorne for September

The chart shows the monthly maximum UV Index (UVI) for Lorne 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 Lorne typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2358810887422
Data source: Lorne 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 Lorne Compares to Other Months

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

This table compares monthly weather conditions in Lorne, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)91 mm (3.6 inches)89%low
February Weather-10°C (15°F)81 mm (3.2 inches)90%moderate
March Weather-5°C (24°F)93 mm (3.7 inches)88%moderate
April Weather2°C (35°F)111 mm (4.4 inches)86%very high
May Weather9°C (49°F)93 mm (3.7 inches)83%very high
June Weather15°C (60°F)88 mm (3.5 inches)75%very high
July Weather18°C (65°F)96 mm (3.8 inches)82%very high
August Weather18°C (65°F)86 mm (3.4 inches)84%very high
September Weather13°C (55°F)118 mm (4.7 inches)85%high
October Weather7°C (44°F)102 mm (4.0 inches)87%moderate
November Weather-1°C (31°F)122 mm (4.8 inches)86%low
December Weather-8°C (19°F)100 mm (3.9 inches)88%low

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