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September Weather in Thessalon, Canada

Last updated: June 18, 2025

The average temperature in Thessalon, Canada during September is a pleasant 15°C (60°F). You'll experience minimums of around 7°C (45°F) and maximums peaking at 22°C (72°F). Expect about 124 mm (4.9 in) of precipitation spread across 11 days, with an average humidity of 77%.

September Temperature in Thessalon

In September in Thessalon the average temperature is 15°C (60°F). Maximum can reach 22°C (72°F) and minimum can be as low as 7°C (45°F). This pleasant climate makes it a great time to explore the scenic beauty and enjoy outdoor activities in Thessalon.

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

The chart illustrates September temperature patterns in Thessalon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thessalon, September typically has an average temperature of 15°C (60°F), with highs reaching up to 22°C (72°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec202128354557666660493627
Data source: Temperature data for Thessalon 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 Thessalon

In Thessalon in September, the precipitation amount is 124 mm (4.9 in) over the course of 11 days.

September Precipitation Trends in Thessalon

The chart displays monthly precipitation patterns in Thessalon, 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 Thessalon, September typically receives around 124 mm (4.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec5169689289110921111241488684
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Thessalon

In Thessalon in September, humidity is 77%. With an average temperature of 15°C (60°F), this humidity feels like you're wading through a warm, heavy blanket, making travel feel more exhausting and sticky than usual.

September Average Humidity in Thessalon

This chart illustrates the average monthly humidity levels in Thessalon, 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 Thessalon is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%94%89%87%74%72%69%72%77%85%88%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Thessalon

In Thessalon 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 Thessalon.

Maximum UV Index Levels in Thessalon for September

The chart shows the monthly maximum UV Index (UVI) for Thessalon 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 Thessalon typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799987532
Data source: Thessalon 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 Thessalon Compares to Other Months

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

This table compares monthly weather conditions in Thessalon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)51 mm (2.0 inches)95%low
February Weather-6°C (21°F)69 mm (2.7 inches)94%moderate
March Weather-2°C (28°F)68 mm (2.7 inches)89%moderate
April Weather2°C (35°F)92 mm (3.6 inches)87%high
May Weather7°C (45°F)89 mm (3.5 inches)74%very high
June Weather14°C (57°F)110 mm (4.3 inches)72%very high
July Weather19°C (67°F)92 mm (3.6 inches)69%very high
August Weather19°C (66°F)111 mm (4.4 inches)72%very high
September Weather15°C (60°F)124 mm (4.9 inches)77%high
October Weather9°C (49°F)148 mm (5.8 inches)85%moderate
November Weather2°C (36°F)86 mm (3.4 inches)88%moderate
December Weather-3°C (27°F)84 mm (3.3 inches)92%low

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