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September Weather in La Sarre, Canada

Last updated: June 18, 2025

In September, the average temperature in La Sarre, Canada hovers around 12°C (54°F), with fluctuations that can bring the minimum down to -1°C (30°F) and a peak of 29°C (84°F). Visitors can expect 105 mm (4.1 in) of precipitation over approximately 13 days, contributing to a high average humidity of 86%. Prepare accordingly for a damp yet mild experience!

September Temperature in La Sarre

In September in La Sarre, the average temperature is 12°C (54°F). Maximum temperatures can reach 29°C (84°F), while minimum temperatures can drop as low as -1°C (30°F). This variation makes it ideal for travelers to pack a range of clothing to accommodate both warm days and chilly nights.

September Weather in La Sarre: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Sarre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Sarre, September typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (84°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec6718324859666354412512
Data source: Temperature data for La Sarre 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 La Sarre

In La Sarre in September, the precipitation amount is 105 mm (4.1 in) over the course of 13 days.

September Precipitation Trends in La Sarre

The chart displays monthly precipitation patterns in La Sarre, 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 La Sarre, September typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec42564967799381991051258366
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in La Sarre

In La Sarre in September, humidity is 86%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable and travel challenging due to the heavy, muggy atmosphere.

September Average Humidity in La Sarre

This chart illustrates the average monthly humidity levels in La Sarre, 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 La Sarre is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%96%94%89%79%76%82%85%86%90%91%97%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in La Sarre

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

Maximum UV Index Levels in La Sarre for September

The chart shows the monthly maximum UV Index (UVI) for La Sarre 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 La Sarre typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789886421
Data source: La Sarre 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 La Sarre Compares to Other Months

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

This table compares monthly weather conditions in La Sarre, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-14°C (6°F)42 mm (1.7 inches)97%low
February Weather-14°C (7°F)56 mm (2.2 inches)96%moderate
March Weather-8°C (19°F)49 mm (1.9 inches)93%moderate
April Weather0°C (33°F)67 mm (2.6 inches)89%high
May Weather9°C (48°F)79 mm (3.1 inches)79%very high
June Weather15°C (60°F)93 mm (3.7 inches)76%very high
July Weather19°C (67°F)81 mm (3.2 inches)82%very high
August Weather17°C (63°F)99 mm (3.9 inches)85%very high
September Weather12°C (54°F)105 mm (4.1 inches)86%high
October Weather5°C (42°F)125 mm (4.9 inches)90%moderate
November Weather-4°C (25°F)83 mm (3.3 inches)91%low
December Weather-11°C (12°F)66 mm (2.6 inches)96%low

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