nomadseason

September Weather in Coaticook, Canada

Last updated: June 18, 2025

In September, the average temperature in Coaticook, Canada hovers around 14°C (58°F). Expect fluctuations, with minimums dipping to -4°C (24°F) and maximums soaring to 29°C (85°F). Be prepared for some rain; 84 mm (3.3 in) of precipitation is expected over 11 days, contributing to an average humidity of 77%.

September Temperature in Coaticook

In September in Coaticook, the average temperature is 14°C (58°F), with maximums reaching 29°C (85°F) and minimums dropping as low as -4°C (24°F). It’s advisable to pack layers to prepare for both warm days and chilly nights during your travels.

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

The chart illustrates September temperature patterns in Coaticook, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coaticook, September typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (85°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec171927415362676558473223
Data source: Temperature data for Coaticook generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Coaticook

In Coaticook, in September, the precipitation amount is 84 mm (3.3 in) during a period of 11 days.

September Precipitation Trends in Coaticook

The chart displays monthly precipitation patterns in Coaticook, 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 Coaticook, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9084811171071191161048414711588
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Coaticook

In Coaticook in September, humidity is 77%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making traveling feel sticky and heavy, yet still manageable as you explore the sights.

September Average Humidity in Coaticook

This chart illustrates the average monthly humidity levels in Coaticook, 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 Coaticook is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Coaticook

In Coaticook 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 Coaticook.

Maximum UV Index Levels in Coaticook for September

The chart shows the monthly maximum UV Index (UVI) for Coaticook 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 Coaticook typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Coaticook 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 Coaticook Compares to Other Months

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

This table compares monthly weather conditions in Coaticook, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)90 mm (3.5 inches)91%low
February Weather-7°C (20°F)84 mm (3.3 inches)89%moderate
March Weather-3°C (27°F)81 mm (3.2 inches)85%moderate
April Weather5°C (41°F)117 mm (4.6 inches)84%high
May Weather12°C (54°F)107 mm (4.2 inches)78%very high
June Weather17°C (62°F)119 mm (4.7 inches)72%very high
July Weather20°C (67°F)116 mm (4.6 inches)75%very high
August Weather19°C (66°F)104 mm (4.1 inches)74%very high
September Weather14°C (58°F)84 mm (3.3 inches)77%high
October Weather8°C (47°F)147 mm (5.8 inches)85%moderate
November Weather0°C (33°F)115 mm (4.5 inches)86%moderate
December Weather-5°C (23°F)88 mm (3.5 inches)85%low

Compare Coaticook's Climate with Cities Worldwide