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Arnprior Weather in September
September in Arnprior brings pleasant temperatures, with daytime highs of 22°C (72°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 91 mm (3.6 in), so pack an umbrella.
Rainfall in Arnprior in September
You can typically expect 11 days of rain this month, averaging around 91 mm (3.6 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Arnprior in September
Arnprior in September has excellent weather. Days reach 22°C (72°F) and nights cool to 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. 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 Arnprior in September
The month brings about 178 hours of sunlight, offering a comfortable mix of sun and overcast.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Arnprior.
Arnprior Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
22°C (72°F)
Chance of Rain
35%
Precipitation
91 mm (3.6 in)
Rainy days
11 days
Humidity
59% *
Sunshine
178 hours *
Percentage Sunshine
47% *
* Data from: Ottawa, Canada (51 KM, 32 Miles).
Arnprior Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Arnprior - 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 Arnprior in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Arnprior 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 -
Camping4/10 -
Outdoor sports9/10
Arnprior 3-Day Forecast
More climate data for Arnprior
Temperature Rainfall Sunshine Humidity
See the full Arnprior 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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