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September Weather in Amherstburg, Canada

Last updated: June 18, 2025

In Amherstburg, Canada, the average temperature in September hovers around 20°C (68°F), providing a pleasant atmosphere. Expect temperatures to range from a cool 11°C (51°F) to a warm 29°C (85°F). During this month, precipitation averages 67 mm (2.7 in) over approximately 8 days, contributing to a humidity level of around 78%.

September Temperature in Amherstburg

In September in Amherstburg, the average temperature is 20°C (68°F). The maximum can reach 29°C (85°F), while the minimum can drop to as low as 11°C (51°F). This makes it an ideal time to explore Amherstburg, as you can enjoy pleasant weather and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Amherstburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Amherstburg, September typically has an average temperature of 20°C (68°F), with highs reaching up to 29°C (85°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec292935445668757468574134
Data source: Temperature data for Amherstburg 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 Amherstburg

In Amherstburg in September, the precipitation amount is 67 mm (2.7 in) during a total of 8 days.

September Precipitation Trends in Amherstburg

The chart displays monthly precipitation patterns in Amherstburg, 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 Amherstburg, September typically receives around 67 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec8583861021178093826712110477
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Amherstburg

In Amherstburg in September humidity is 78%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that makes exploring the sights a bit sticky, so travelers should stay hydrated and take frequent breaks in the shade.

September Average Humidity in Amherstburg

This chart illustrates the average monthly humidity levels in Amherstburg, 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 Amherstburg is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Amherstburg

In Amherstburg in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Amherstburg.

Maximum UV Index Levels in Amherstburg for September

The chart shows the monthly maximum UV Index (UVI) for Amherstburg 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 Amherstburg typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101098642
Data source: Amherstburg 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 Amherstburg Compares to Other Months

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

This table compares monthly weather conditions in Amherstburg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)85 mm (3.4 inches)88%low
February Weather-1°C (30°F)83 mm (3.3 inches)87%moderate
March Weather2°C (36°F)86 mm (3.4 inches)87%moderate
April Weather7°C (44°F)102 mm (4.0 inches)87%very high
May Weather13°C (56°F)117 mm (4.6 inches)81%very high
June Weather20°C (68°F)80 mm (3.2 inches)82%very high
July Weather24°C (75°F)93 mm (3.7 inches)81%very high
August Weather23°C (74°F)82 mm (3.2 inches)78%very high
September Weather20°C (68°F)67 mm (2.7 inches)78%very high
October Weather14°C (57°F)121 mm (4.7 inches)82%high
November Weather5°C (42°F)104 mm (4.1 inches)89%moderate
December Weather1°C (35°F)77 mm (3.0 inches)86%low

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