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Gatineau Weather in September
September in Gatineau typically sees daytime highs of 22°C (72°F) and nighttime lows of 10°C (50°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Gatineau in September
This month experiences about 12 days of rain according to historical data, averaging 100 mm (3.9 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Gatineau in September
In September, expect pleasant temperatures in Gatineau, with highs of 22°C (72°F) and lows of 10°C (50°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Gatineau in September
The area experiences a moderate amount of sunshine, with approximately 178 hours of sunlight expected. This means a decent mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, May and August typically offer the best circumstances for Gatineau.
Gatineau Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
22°C (72°F)
Chance of Rain
40%
Precipitation
100 mm (3.9 in)
Rainy days
12 days
Humidity
59% *
Sunshine
178 hours *
Percentage Sunshine
47% *
* Data from: Ottawa, Canada (6 KM, 3 Miles).
Gatineau Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Gatineau - and find the best time to visit.
Best Places in Canada in September
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Gatineau in September
For Gatineau in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Gatineau in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping3/10 -
Outdoor sports9/10
Gatineau 3-Day Forecast
More climate data for Gatineau
Temperature Rainfall Sunshine Humidity
See the full Gatineau climate overview or explore weather in Canada.
Popular in September
Where to go in September - average daytime high across popular destinations.
Toronto
22°C (72°F) Niagara Falls23°C (73°F) Montréal
22°C (72°F) Ottawa22°C (72°F) Quebec City
20°C (68°F) Vancouver19°C (66°F) Calgary19°C (66°F) Whistler15°C (59°F) Bucket list
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