Woodstock Weather in September
What's the weather like in Woodstock (Ontario) in September 2025?
The climate in Woodstock during September can be summarized as mild and a little damp.
September is in the fall / autumn in Woodstock and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 20.6°C 69.1°F |
|---|---|
| Nightly temperature | 10°C 50°F |
| Average temperature | 15.3°C 59.5°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 85 mm 3.3 ins |
| Rainy days | 11 days |
| Sea temperature | 18.8°C 65.8°F |
| Humidity | 78% |
| Windspeed | 10.8kph 7 mph |
On average September is the 5th wettest month of the year in Woodstock with around 85mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in Woodstock
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Woodstock in September 2025.
Other monthly averages
Best places to visit in September
Woodstock weather stats
| Hottest month: | July | 25.9°C 78.6°F |
|---|---|---|
| Driest month: | February | 54mm 2.1ins |
| Sunniest month: | July | 9.5hrs |
| Coldest month: | January | -3.2°C 26.2°F |
| Wettest month: | August | 98mm 3.9ins |
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