Casselman weather in September (Ontario, Canada)

Thinking of visiting Casselman in September? Check the weather first! Check out our in-depth weather guide for this month.

Temperatures

During September, Casselman usually has high temperatures and high rainfall. During the day, temperatures can climb to about 22°C. At night, they may fall to a cooler 10°C.

Precipitation

Casselman in September usually receives high rainfall, averaging around 101 mm for the month. Climate data suggests that about 12 days will experience rainfall.

Average sunshine

The month brings about 178 hours of sunlight, offering a comfortable mix of sun and shade.

If you prefer dry days with pleasant temperatures, May and August typically offer the best circumstances. While January, February, March, April, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Casselman climate page with graphs.

 

Casselman, monthly averages in September

Min Temperature 10°C  

Max Temperature 22°C  

Chance of Rain 39%  

Precipitation 101 mm  

Rainy days 12 days  

Humidity 59% *  

Sunshine 178 hours *  

Percentage Sunshine 47% *  

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

Where to go in Canada in September

Find out more about the weather in Canada and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Casselman, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Casselman.

Our site offers climate and forecast data for every country in the world. Are you going to Canada? On this website you can find historical weather averages for many cities in Canada. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.