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September Weather in Cacouna, Canada

Last updated: June 18, 2025

In September, the average temperature in Cacouna, Canada hovers around 12°C (53°F). The temperature can dip as low as 5°C (41°F) and reach a pleasant high of 21°C (69°F). Expect 89 mm (3.5 in) of precipitation spread over 12 days, contributing to an average humidity level of 85%. Adjust your plans accordingly to embrace the weather!

September Temperature in Cacouna

In September in Cacouna, the average temperature is 12°C (53°F). The maximum can reach 21°C (69°F), while the minimum can be as low as 5°C (41°F). This moderate climate makes Cacouna an ideal destination for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Cacouna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cacouna, September typically has an average temperature of 12°C (53°F), with highs reaching up to 21°C (69°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec161724344354595953453222
Data source: Temperature data for Cacouna 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 Cacouna

In Cacouna in September, the precipitation amount is 89 mm (3.5 in) during 12 days of rainfall.

September Precipitation Trends in Cacouna

The chart displays monthly precipitation patterns in Cacouna, 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 Cacouna, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8369851271027058588916711792
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cacouna

In Cacouna in September, humidity is 85%. With an average temperature of 12°C (53°F), this humidity feels like a damp embrace, making travel somewhat uncomfortable as you navigate the thick, moist air that clings to your skin.

September Average Humidity in Cacouna

This chart illustrates the average monthly humidity levels in Cacouna, 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 Cacouna is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%87%82%77%82%83%85%87%88%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cacouna

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

Maximum UV Index Levels in Cacouna for September

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

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

This table compares monthly weather conditions in Cacouna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)83 mm (3.3 inches)93%low
February Weather-9°C (17°F)69 mm (2.7 inches)92%moderate
March Weather-4°C (25°F)85 mm (3.3 inches)90%moderate
April Weather1°C (34°F)127 mm (5.0 inches)87%high
May Weather6°C (43°F)102 mm (4.0 inches)82%very high
June Weather12°C (54°F)70 mm (2.8 inches)77%very high
July Weather15°C (59°F)58 mm (2.3 inches)81%very high
August Weather15°C (59°F)57 mm (2.3 inches)83%very high
September Weather12°C (53°F)89 mm (3.5 inches)85%high
October Weather7°C (45°F)167 mm (6.6 inches)87%moderate
November Weather0°C (32°F)117 mm (4.6 inches)87%low
December Weather-5°C (22°F)92 mm (3.6 inches)90%low

Compare Cacouna's Climate with Cities Worldwide