Owen Sound
September
Weather in Owen Sound for September 2025
Your guide to Owen Sound weather in September - trends and predictions
In general, the average temperature in Owen Sound at the beginning of September is 24.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.3 °C by the end of September.
Owen Sound experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 90.1 mm.
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Temperatures
Rain 🌧️
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21
Dry days
9
Rainy days
0
Snow days
22°/12°
Temperatures
17 km/h
Avg max wind
73 %
Avg humidity
Owen Sound Weather September
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  22° | 2 22° | 3  26° | 4 28° | 5  30° | 6  26° | |
| 7  18° | 8  18° | 9 21° | 10  21° | 11 24° | 12 24° | 13 22° |
| 14 24° | 15 24° | 16 26° | 17  22° | 18  19° | 19 20° | 20 24° |
| 21 23° | 22 24° | 23 21° | 24 22° | 25 21° | 26 19° | 27 19° |
| 28 20° | 29 21° | 30 20° |
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Temperatures trend during September in Owen Sound
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 22° /11° | 0.3 mm | 6 | |
| 2 Sept. | Partly cloudy | 22° /11° | 0 mm | 6 | |
| 3 Sept. | Cloudy | 26° /13° | 0 mm | 6 | |
| 4 Sept. | Partly cloudy | 28° /14° | 0 mm | 8 | |
| 5 Sept. | Sunny | 30° /16° | 0 mm | 8 | |
| 6 Sept. | Thundery outbreaks possible | 26° /16° | 12.5 mm | 6 | |
| 7 Sept. | Moderate or heavy rain shower | 18° /11° | 12 mm | 4 | |
| 8 Sept. | Overcast | 18° /9° | 0.3 mm | 4 | |
| 9 Sept. | Overcast | 21° /10° | 0.5 mm | 5 | |
| 10 Sept. | Mist | 21° /11° | 0 mm | 6 | |
| 11 Sept. | Mist | 24° /10° | 0.9 mm | 6 | |
| 12 Sept. | Overcast | 24° /13° | 6.3 mm | 5 | |
| 13 Sept. | Overcast | 22° /12° | 0.6 mm | 6 | |
| 14 Sept. | Partly cloudy | 24° /11° | 0 mm | 6 | |
| 15 Sept. | Mist | 24° /9° | 0 mm | 6 | |
| 16 Sept. | Partly cloudy | 26° /12° | 0 mm | 7 | |
| 17 Sept. | Patchy light drizzle | 22° /13° | 1.9 mm | 6 | |
| 18 Sept. | Patchy rain possible | 19° /10° | 0.1 mm | 5 | |
| 19 Sept. | Mist | 20° /8° | 0 mm | 5 | |
| 20 Sept. | Mist | 24° /8° | 0 mm | 6 | |
| 21 Sept. | Thundery outbreaks possible | 23° /14° | 8.9 mm | 5 | |
| 22 Sept. | Cloudy | 24° /13° | 6.5 mm | 5 | |
| 23 Sept. | Sunny | 21° /12° | 36.9 mm | 5 | |
| 24 Sept. | Fog | 22° /11° | 1.5 mm | 5 | |
| 25 Sept. | Mist | 21° /13° | 0 mm | 5 | |
| 26 Sept. | Cloudy | 19° /11° | 0 mm | 5 | |
| 27 Sept. | Overcast | 19° /10° | 0 mm | 5 | |
| 28 Sept. | Light rain | 20° /10° | 0.9 mm | 5 | |
| 29 Sept. | Cloudy | 21° /13° | 0 mm | 5 | |
| 30 Sept. | Fog | 20° /11° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Owen Sound in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Owen Sound forecast closer to your planned date for the most up-to-date weather information.
Owen Sound in September - FAQ
What are the expected maximum and minimum temperatures in Owen Sound during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Owen Sound during September?
Moderate rainfall is anticipated in Owen Sound during September, with a total of 90.1 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Owen Sound during September?
The average wind speed in Owen Sound during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Owen Sound
Explore the daily rainfall trends and prepare for Owen Sounds September weather 💧
UV exposure in Owen Sound during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Owen Sound?Get accurate weather forecasts for Owen Sound, located at latitude 44.567 and longitude -80.943. Stay updated with localized weather information tailored for Owen Sound.
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