Perth weather in September (Ontario, Canada)

What kind of temperatures can you expect in Perth during September? Explore our page to find a thorough overview of this month's weather conditions.

Temperatures

For September, the weather in Perth is generally perfect, featuring high temperatures and moderate rainfall. During the daylight hours, temperatures often reach 22°C. After dark they usually decrease to around 11°C.

Precipitation

Perth in September usually receives moderate rainfall, averaging around 89 mm for the month. Expect around 9 days of rain based on historical data.

Average sunshine

With about 178 hours of sunshine, the area enjoys a nice balance of sun and clouds, creating a pleasant environment.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Perth. June, July, August and September typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

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

 

Perth, monthly averages in September

Min Temperature 11°C  

Max Temperature 22°C  

Chance of Rain 31%  

Precipitation 89 mm  

Rainy days 9 days  

Humidity 59% *  

Sunshine 178 hours *  

Percentage Sunshine 47% *  

* Data from: Ottawa, Canada (72 KM, 45 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 Perth, 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

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 Perth.

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.