Sutton Weather in September
What's the weather like in Sutton (Quebec) in September 2025?
The climate in Sutton during September can be summarized as mild and damp.
September is in the fall / autumn in Sutton and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 8°C (46°F) is normal.
| Daytime temperature | 18.4°C 65.1°F |
|---|---|
| Nightly temperature | 7.6°C 45.7°F |
| Average temperature | 13°C 55.4°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 112 mm 4.4 ins |
| Rainy days | 13 days |
| Sea temperature | 14.8°C 58.6°F |
| Humidity | 78% |
| Windspeed | 11.2kph 7 mph |
On average September is the 6th wettest month of the year in Sutton with around 112mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 13 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 Sutton
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 Sutton in September 2025.
Other monthly averages
Best places to visit in September
Sutton weather stats
| Hottest month: | July | 24.4°C 75.9°F |
|---|---|---|
| Driest month: | February | 79mm 3.1ins |
| Sunniest month: | July | 9.1hrs |
| Coldest month: | January | -5.7°C 21.7°F |
| Wettest month: | August | 139mm 5.5ins |
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