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September Weather in Bay St. George South, Canada

Last updated: June 18, 2025

In September, the average temperature in Bay St. George South, Canada hovers around 14°C (57°F), with a comfortable range between a cool 3°C (37°F) and a warm 24°C (75°F). Expect 119 mm (4.7 in) of precipitation spread over about 16 days, while the average humidity rises to a moist 87%. Be prepared for the varied weather this month brings!

September Temperature in Bay St. George South

In September in Bay St. George South, the average temperature is 14°C (57°F). The maximum can reach 24°C (75°F), and the minimum can be as low as 3°C (37°F). This climate makes Bay St. George South ideal for enjoying outdoor activities while still requiring a light jacket for the cooler evenings.

September Weather in Bay St. George South: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bay St. George South, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bay St. George South, September typically has an average temperature of 14°C (57°F), with highs reaching up to 24°C (75°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec242227364252616457473931
Data source: Temperature data for Bay St. George South 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 Bay St. George South

In Bay St. George South in September, the total precipitation amount reaches 119 mm (4.7 in) over the course of 16 days.

September Precipitation Trends in Bay St. George South

The chart displays monthly precipitation patterns in Bay St. George South, 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 Bay St. George South, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec1101321231059810771100119131174168
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bay St. George South

In Bay St. George South in September humidity is 87%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making every breath feel heavy and sticky, which can be quite challenging for travelers exploring the city.

September Average Humidity in Bay St. George South

This chart illustrates the average monthly humidity levels in Bay St. George South, 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 Bay St. George South is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%90%89%88%87%85%90%90%87%84%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bay St. George South

In Bay St. George South 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 Bay St. George South, you can refer to this Hourly UV Index in Bay St. George South.

Maximum UV Index Levels in Bay St. George South for September

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

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

This table compares monthly weather conditions in Bay St. George South, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)110 mm (4.3 inches)88%low
February Weather-5°C (23°F)132 mm (5.2 inches)90%moderate
March Weather-3°C (27°F)123 mm (4.9 inches)89%moderate
April Weather2°C (36°F)105 mm (4.1 inches)88%high
May Weather6°C (43°F)98 mm (3.9 inches)87%very high
June Weather11°C (52°F)107 mm (4.2 inches)85%very high
July Weather16°C (61°F)71 mm (2.8 inches)90%very high
August Weather18°C (64°F)100 mm (4.0 inches)90%very high
September Weather14°C (57°F)119 mm (4.7 inches)87%high
October Weather8°C (47°F)131 mm (5.1 inches)84%moderate
November Weather4°C (39°F)174 mm (6.9 inches)83%low
December Weather-1°C (31°F)168 mm (6.6 inches)85%low

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