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Denman Island Weather in September
September in Denman Island brings pleasant temperatures, with highs of 19°C (66°F) and nights dropping to 12°C (54°F). Rainfall is on the higher side this month, averaging around 99 mm (3.9 in), so keep a rain jacket handy.
Rainfall in Denman Island in September
Typically, about 9 days will experience rainfall, with an average of 99 mm (3.9 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Denman Island in September
September in Denman Island sees highs of 19°C (66°F) and lows of 12°C (54°F) overnight. September is a notable month of the summer season. Conditions are often most pleasant around the middle of the day. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.For Denman Island itself, July and August generally stand out with 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.
Denman Island Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
19°C (66°F)
Chance of Rain
31%
Precipitation
99 mm (3.9 in)
Rainy days
9 days
Denman Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Denman Island - 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 Denman Island in September
For Denman Island 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.
What To Do in Denman Island in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Denman Island 3-Day Forecast
More climate data for Denman Island
See the full Denman Island 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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