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.

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For a detailed overview over the year and the best time to visit Canada, check out our Denman Island's climate page.

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  

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.

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Denman Island's climate page.

More climate data for Denman Island

Temperature Rainfall

See the full Denman Island climate overview or explore weather in Canada.