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 sees moderate rainfall in September, averaging 7 rainy days.
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23
Dry days
7
Rainy days
0
Snow days
22°/11°
Temperatures
17 km/h
Avg max wind
73 %
Avg humidity
Owen Sound in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 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 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Owen Sound during September?
In September, Owen Sound can expect light to moderate rainfall, totaling 42.6 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
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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