Last updated: June 18, 2025
In September, the average temperature in Owen Sound, Canada hovers around 16°C (61°F), offering a pleasant climate for visitors. However, be prepared for variability, as temperatures can dip as low as 2°C (35°F) or soar to a maximum of 31°C (89°F). This month also brings 98 mm (3.9 in) of precipitation over about 12 days, contributing to an average humidity of 80%. Whether you’re exploring the outdoors or enjoying indoor activities, it’s a month to embrace the dynamic weather!
In September in Owen Sound, the average temperature is 16°C (61°F), with maximums reaching up to 31°C (89°F) and minimums dipping down to as low as 2°C (35°F). This climate makes it an ideal destination for travelers seeking a balance of pleasant weather and comfortable temperatures.
In Owen Sound in September, the precipitation amount is 98 mm (3.9 in) over the course of 12 days.
In Owen Sound in September, humidity is 80%. With an average temperature of 16°C (61°F), this humidity feels like a warm blanket wrapped around you, making sightseeing a sweat-inducing challenge but also lending a lush vibrancy to the surroundings that can enhance your travel experience.
In Owen Sound 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 Owen Sound.
UV Risk Categories
Weather in Owen Sound varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Owen Sound, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 72 mm (2.8 inches) | 91% | low |
| February Weather | -5°C (23°F) | 80 mm (3.1 inches) | 92% | moderate |
| March Weather | -1°C (31°F) | 68 mm (2.7 inches) | 88% | moderate |
| April Weather | 5°C (42°F) | 114 mm (4.5 inches) | 87% | very high |
| May Weather | 12°C (55°F) | 93 mm (3.7 inches) | 82% | very high |
| June Weather | 18°C (64°F) | 100 mm (3.9 inches) | 79% | very high |
| July Weather | 21°C (69°F) | 100 mm (3.9 inches) | 76% | very high |
| August Weather | 20°C (68°F) | 112 mm (4.4 inches) | 77% | very high |
| September Weather | 16°C (61°F) | 98 mm (3.9 inches) | 80% | high |
| October Weather | 10°C (51°F) | 100 mm (4.0 inches) | 84% | moderate |
| November Weather | 2°C (37°F) | 99 mm (3.9 inches) | 87% | moderate |
| December Weather | -2°C (29°F) | 89 mm (3.5 inches) | 88% | low |