Thermograph

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

Weather in Gatineau in September

In an average September, Gatineau sees a daily high around 21°C and a low around 10°C, based on 1980–2026 of local climate records.

Average high21°C
Typical high range15°C to 26°C
Average low10°C
Typical low range5°C to 16°C
Average daily precipitation3 mm

September records

The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.

High

Highest 34°C 2002-09-09
Lowest 6°C 1992-09-30

Low

Highest 23°C 1983-09-06
Lowest -2°C 1980-09-29

Feels-like

Highest 48°C 2023-09-05
Lowest -7°C 1980-09-29

Humidity

Highest 19.8 g/m³ 2015-09-07
Lowest 3.6 g/m³ 2000-09-28

Wind

Highest 38 km/h 2003-09-19
Lowest 4 km/h 2018-09-12

Gust

Highest 91 km/h 2018-09-21
Lowest 12 km/h 2024-09-13

Precip

Wettest 198 mm 1986
Driest 12 mm 2023

See Gatineau's live weather grade →

Visiting Gatineau in September? See how its comfort stacks up against where you live.

Compare Gatineau with your city →

‹ August · Gatineau climate overview · October ›