Casselman Weather in September

Casselman in September sees high temperatures, with highs around 22°C (72°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 101 mm (4 in) on average, so pack waterproofs just in case.

Rainfall in Casselman in September

Past climate data indicates that roughly 12 days will see rain, totalling around 101 mm (4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Casselman in September

Daytime highs in Casselman in September reach 22°C (72°F), with nights around 10°C (50°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 10°C (50°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.

Sunshine in Casselman in September

The area enjoys a moderate level of sunlight, with around 178 hours. It's a good balance between sunny and cloudy days.

If your ideal day consists of dry skies and pleasant temperatures, May and August typically offer the best circumstances for Casselman.

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• January
• February
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• May
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• October
• November
• December

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

Casselman Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 39%  

Precipitation 101 mm (4 in)  

Rainy days 12 days  

Humidity 59% *  

Sunshine 178 hours *  

Percentage Sunshine 47% *  

* Data from: Ottawa, Canada (49 KM, 30 Miles).

What to Wear in Casselman 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. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Casselman in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

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 Casselman's climate page.

More climate data for Casselman

Temperature Rainfall Sunshine Humidity

See the full Casselman climate overview or explore weather in Canada.