Algonquin Park Weather in September
September in Algonquin Park sees daytime temperatures around 19°C (66°F) and lows of 9°C (48°F) at night. With around 96 mm (3.8 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Algonquin Park in September
Analyzing past climate data, one can expect approximately 14 days of rain, averaging 96 mm (3.8 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Algonquin Park in September
Temperatures in Algonquin Park in September top out at 19°C (66°F) and drop to 9°C (48°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.If you prefer dry days with pleasant temperatures, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Algonquin Park Temperature in September
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Algonquin Park Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Algonquin Park - 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 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 Algonquin Park in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Algonquin Park 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
Algonquin Park 3-Day Forecast
See the full Algonquin Park 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) 
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