Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Laval, Quebec, Canada in September

In an average September, Laval sees a daily high around 22°C and a low around 11°C, based on 1981–2026 of local climate records.

Average high22°C
Typical high range17°C to 28°C
Average low11°C
Typical low range6°C to 16°C
Average daily precipitation3 mm

September records

The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.

High

Highest 34°C 2002-09-09
Lowest 7°C 1992-09-30

Low

Highest 23°C 2010-09-02
Lowest -2°C 1991-09-30

Feels-like

Highest 47°C 2010-09-03
Lowest -7°C 1991-09-30

Humidity

Highest 20.8 g/m³ 2018-09-03
Lowest 4.1 g/m³ 2000-09-28

Wind

Highest 57 km/h 2005-09-29
Lowest 7 km/h 2004-09-30

Precip

Wettest 168 mm 2010
Driest 27 mm 2023

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