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Sudbury Weather in September
During September, Sudbury experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 8°C (46°F). Expect quite a bit of rainfall. Around 98 mm (3.9 in) is typical.
Rainfall in Sudbury in September
Expect around 12 days of rain based on historical data, with 98 mm (3.9 in) average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Sudbury in September
Sudbury in September has excellent weather. Days reach 20°C (68°F) and nights cool to 8°C (46°F). The difference between afternoon and evening temperatures is usually noticeable. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Sudbury.
Sudbury Temperature in September
Min Temperature
8°C (46°F)
Max Temperature
20°C (68°F)
Chance of Rain
40%
Precipitation
98 mm (3.9 in)
Rainy days
12 days
Sudbury Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sudbury - 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 Sudbury 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.
What To Do in Sudbury in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Sudbury 3-Day Forecast
More climate data for Sudbury
See the full Sudbury 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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