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September Weather in Deseronto, Canada

Last updated: June 18, 2025

In September, the average temperature in Deseronto, Canada is a comfortable 17°C (63°F). Expect a range that can dip to a cool 2°C (36°F) and rise as high as a warm 32°C (90°F). With an average humidity of 72%, you might encounter some moisture in the air. Be prepared for 72 mm (2.8 in) of precipitation spread across 8 days, making it a good time to bring along an umbrella!

September Temperature in Deseronto

In September in Deseronto, the average temperature is 17°C (63°F). Maximum temperatures can reach 32°C (90°F), while the minimum can drop as low as 2°C (36°F). This makes Deseronto a great destination for travelers seeking a variety of weather experiences, from warm days to cooler evenings.

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

The chart illustrates September temperature patterns in Deseronto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Deseronto, September typically has an average temperature of 17°C (63°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec222432435666727063513728
Data source: Temperature data for Deseronto 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 Deseronto

In Deseronto in September, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

September Precipitation Trends in Deseronto

The chart displays monthly precipitation patterns in Deseronto, 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 Deseronto, September typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec71737012096909590721379485
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Deseronto

In Deseronto in September, humidity is 72%. With an average temperature of 17°C (63°F), this humidity feels like a muggy embrace, making outdoor activities a bit sticky and requiring plenty of hydration for a comfortable travel experience.

September Average Humidity in Deseronto

This chart illustrates the average monthly humidity levels in Deseronto, 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 Deseronto is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Deseronto

In Deseronto 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 Deseronto.

Maximum UV Index Levels in Deseronto for September

The chart shows the monthly maximum UV Index (UVI) for Deseronto 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 Deseronto typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Deseronto 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 Deseronto Compares to Other Months

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

This table compares monthly weather conditions in Deseronto, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)71 mm (2.8 inches)93%low
February Weather-4°C (24°F)73 mm (2.9 inches)93%moderate
March Weather0°C (32°F)70 mm (2.8 inches)86%moderate
April Weather6°C (44°F)120 mm (4.7 inches)82%very high
May Weather14°C (57°F)95 mm (3.8 inches)75%very high
June Weather19°C (66°F)90 mm (3.5 inches)68%very high
July Weather22°C (73°F)95 mm (3.7 inches)69%very high
August Weather21°C (71°F)90 mm (3.6 inches)67%very high
September Weather17°C (63°F)72 mm (2.8 inches)72%high
October Weather11°C (52°F)137 mm (5.4 inches)83%moderate
November Weather3°C (38°F)94 mm (3.7 inches)88%moderate
December Weather-2°C (28°F)85 mm (3.4 inches)89%low

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