Berthierville Weather in September
What's the weather like in Berthierville (Quebec) in September 2025?
The climate in Berthierville during September can be summarized as mild and a little damp.
September is in the fall / autumn in Berthierville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 9°C (47°F) is normal.
| Daytime temperature | 19.2°C 66.5°F |
|---|---|
| Nightly temperature | 8.5°C 47.2°F |
| Average temperature | 13.8°C 56.8°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 89 mm 3.5 ins |
| Rainy days | 11 days |
| Sea temperature | 14.3°C 57.8°F |
| Humidity | 77% |
| Windspeed | 11.2kph 7 mph |
On average September is the 6th wettest month of the year in Berthierville with around 89mm 3.5 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 Berthierville
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 Berthierville in September 2025.
Other monthly averages
Best places to visit in September
Berthierville weather stats
| Hottest month: | July | 25.8°C 78.4°F |
|---|---|---|
| Driest month: | February | 60mm 2.4ins |
| Sunniest month: | July | 8.7hrs |
| Coldest month: | January | -7°C 19.4°F |
| Wettest month: | November | 95mm 3.7ins |
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