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September Weather in Leduc, Canada

Last updated: June 18, 2025

In Leduc, Canada, the average temperature in September hovers around 10°C (51°F). Expect a chill as temperatures can dip to a brisk -3°C (26°F), while the mercury can soar to a warm 30°C (87°F). Throughout the month, anticipate 52 mm (2.0 in) of precipitation over 9 days, contributing to a 73% average humidity level.

September Temperature in Leduc

In September in Leduc, the average temperature is 10°C (51°F), with maximums reaching 30°C (87°F) and minimums dipping as low as -3°C (26°F). Be sure to pack layers to prepare for a wide range of temperatures during your travels.

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

The chart illustrates September temperature patterns in Leduc, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Leduc, September typically has an average temperature of 10°C (51°F), with highs reaching up to 30°C (87°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec141023365259626050372316
Data source: Temperature data for Leduc 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 Leduc

In Leduc in September, the precipitation amount is 52 mm (2.0 in) over a span of 9 days.

September Precipitation Trends in Leduc

The chart displays monthly precipitation patterns in Leduc, 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 Leduc, September typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec172027296096997052253620
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Leduc

In Leduc in September, humidity is 73%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that can make outdoor activities uncomfortable, causing your clothes to cling to your skin and a persistent coolness that seeps into your bones, which might deter long excursions without proper layering.

September Average Humidity in Leduc

This chart illustrates the average monthly humidity levels in Leduc, 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 Leduc is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%87%81%77%77%81%78%73%78%82%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Leduc

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

Maximum UV Index Levels in Leduc for September

The chart shows the monthly maximum UV Index (UVI) for Leduc 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 Leduc typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec134577876421
Data source: Leduc 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 Leduc Compares to Other Months

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

This table compares monthly weather conditions in Leduc, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)17 mm (0.7 inches)90%low
February Weather-12°C (10°F)20 mm (0.8 inches)92%moderate
March Weather-5°C (24°F)27 mm (1.0 inches)87%moderate
April Weather2°C (36°F)29 mm (1.1 inches)81%moderate
May Weather11°C (52°F)59 mm (2.3 inches)77%high
June Weather15°C (59°F)96 mm (3.8 inches)77%high
July Weather17°C (63°F)99 mm (3.9 inches)81%very high
August Weather16°C (60°F)70 mm (2.7 inches)78%high
September Weather10°C (51°F)52 mm (2.0 inches)73%high
October Weather3°C (38°F)25 mm (1.0 inches)78%moderate
November Weather-5°C (24°F)36 mm (1.4 inches)82%low
December Weather-9°C (16°F)20 mm (0.8 inches)91%low

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