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September Weather in Vallee-Jonction, Canada

Last updated: June 18, 2025

In September, the average temperature in Vallee-Jonction, Canada hovers around 14°C (57°F). Expect a chill in the air, with minimum temperatures dipping to -3°C (27°F), while highs can reach a pleasant 29°C (85°F). Prepare for some rainy days, as precipitation averages 84 mm (3.3 in) over 9 days, and humidity levels remain high at 81%.

September Temperature in Vallee-Jonction

In September in Vallee-Jonction, the average temperature is 14°C (57°F). The maximum can reach 29°C (85°F), and the minimum can be as low as -3°C (27°F). This variation makes it essential for travelers to prepare for a diverse range of weather conditions.

September Weather in Vallee-Jonction: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Vallee-Jonction, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vallee-Jonction, September typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec141624385261666457453119
Data source: Temperature data for Vallee-Jonction 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 Vallee-Jonction

In Vallee-Jonction in September, the precipitation amount is 84 mm (3.3 in) spread over 9 days.

September Precipitation Trends in Vallee-Jonction

The chart displays monthly precipitation patterns in Vallee-Jonction, 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 Vallee-Jonction, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec8887911211141431441418413311887
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vallee-Jonction

In Vallee-Jonction in September, humidity is 81%. With an average temperature of 14°C (57°F), this humidity feels like a warm, dense blanket that clings to your skin, making outdoor exploration a bit heavier and more tiring.

September Average Humidity in Vallee-Jonction

This chart illustrates the average monthly humidity levels in Vallee-Jonction, 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 Vallee-Jonction is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%90%87%79%73%81%81%81%87%89%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Vallee-Jonction

In Vallee-Jonction 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 Vallee-Jonction.

Maximum UV Index Levels in Vallee-Jonction for September

The chart shows the monthly maximum UV Index (UVI) for Vallee-Jonction 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 Vallee-Jonction typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799887532
Data source: Vallee-Jonction 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 Vallee-Jonction Compares to Other Months

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

This table compares monthly weather conditions in Vallee-Jonction, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (14°F)88 mm (3.5 inches)95%low
February Weather-9°C (17°F)86 mm (3.4 inches)93%moderate
March Weather-4°C (25°F)91 mm (3.6 inches)90%moderate
April Weather3°C (38°F)121 mm (4.8 inches)87%high
May Weather11°C (52°F)114 mm (4.5 inches)79%very high
June Weather16°C (61°F)143 mm (5.6 inches)73%very high
July Weather19°C (66°F)144 mm (5.7 inches)81%very high
August Weather18°C (65°F)141 mm (5.5 inches)81%very high
September Weather14°C (57°F)84 mm (3.3 inches)81%high
October Weather7°C (46°F)133 mm (5.2 inches)87%moderate
November Weather-1°C (31°F)118 mm (4.6 inches)89%moderate
December Weather-7°C (20°F)87 mm (3.4 inches)92%low

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