Saint Marys weather in September (Ontario, Canada)

Will it be rainy or sunny in Saint Marys this September? Find out what kind of weather to expect during this month.

Temperatures

During September, Saint Marys is known for its perfect weather, characterized by high temperatures and moderate rainfall. During the day, temperatures usually reach up to 22°C. At night, they tend to fall to approximately 10°C.

Precipitation

Saint Marys in September usually receives moderate rainfall, averaging around 95 mm for the month. Historically, approximately 11 days this month are expected to have rain.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Saint Marys. August and September typically offer the most agreeable circumstances. On the other hand, January, February, March, April, November and December tend to be characterized by conditions that may not be as optimal.

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

 

Saint Marys, monthly averages in September

Min Temperature 10°C  

Max Temperature 22°C  

Chance of Rain 38%  

Precipitation 95 mm  

Rainy days 11 days  

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 Saint Marys, 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.

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

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

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.