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September Weather in Forestville, Canada

Last updated: June 18, 2025

In Forestville, Canada, the average temperature in September hovers around 12°C (53°F). You can expect a minimum of 3°C (37°F) and a pleasant maximum of 22°C (72°F). However, be prepared for about 94 mm (3.7 in) of precipitation spread over 12 days, contributing to an average humidity of 85%. Make sure to pack accordingly!

September Temperature in Forestville

In September in Forestville, the average temperature is 12°C (53°F). The maximum can reach 22°C (72°F) and the minimum can be as low as 3°C (37°F). This moderate climate makes it a great time to explore the local attractions while enjoying comfortable weather.

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

The chart illustrates September temperature patterns in Forestville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Forestville, September typically has an average temperature of 12°C (53°F), with highs reaching up to 22°C (72°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec131423344556626153443019
Data source: Temperature data for Forestville 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 Forestville

In Forestville in September, the precipitation amount is 94 mm (3.7 in) spread over 12 days.

September Precipitation Trends in Forestville

The chart displays monthly precipitation patterns in Forestville, 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 Forestville, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec746679105867174719414210194
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Forestville

In Forestville 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 Forestville

This chart illustrates the average monthly humidity levels in Forestville, 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 Forestville is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%93%91%89%82%74%80%83%85%88%89%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Forestville

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

Maximum UV Index Levels in Forestville for September

The chart shows the monthly maximum UV Index (UVI) for Forestville 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 Forestville typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234789886421
Data source: Forestville 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 Forestville Compares to Other Months

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

This table compares monthly weather conditions in Forestville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)74 mm (2.9 inches)94%low
February Weather-10°C (15°F)66 mm (2.6 inches)93%moderate
March Weather-5°C (23°F)79 mm (3.1 inches)91%moderate
April Weather1°C (34°F)105 mm (4.1 inches)89%high
May Weather7°C (45°F)86 mm (3.4 inches)82%very high
June Weather13°C (56°F)71 mm (2.8 inches)74%very high
July Weather17°C (62°F)74 mm (2.9 inches)80%very high
August Weather16°C (61°F)71 mm (2.8 inches)83%very high
September Weather12°C (53°F)94 mm (3.7 inches)85%high
October Weather7°C (44°F)142 mm (5.6 inches)88%moderate
November Weather-1°C (31°F)101 mm (4.0 inches)89%low
December Weather-7°C (19°F)93 mm (3.7 inches)94%low

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