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Montreal — weather in September, water temperature

20.6°C Daytime temperatures 13.5°C Night temperatures 13 Sunny days 11.7-13.3 Sun (hours) 4 Rainy days 66.7 mm Precipitation 19°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 31°C — 10 September 2022.
The maximum night temperature 23.5°C — 23 September 2019.
The minimum daily temperature 10.5°C — 23 September 2022.
The minimum night temperature 1.5°C — 19 September 2014.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 23.9 °C — 1 September 2022. The coldest water 15.8 °C — 27 September 2020.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 93.6 mm — April. Minimum precipitation 61.9 mm — November.
Wind speed, km / h
Maximum wind speed 15.6 km / h — April. Minimum wind speed 11.8 km / h — September.
Number of hours of sunshine
The maximum number of hours of sunshine per day 10.1 h. — July. The minimum number of hours of sunshine per day 3.2 h. — December.
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