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Ontario Canada
Precipitation in September
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September Rainfall Precipitation in Ontario

Ontario is a region in Canada. In September precipitation ranges from moderate in Niagara on the Lake with 60 mm of rainfall to high in Schreiber with 127 mm of rainfall. September is a summer month in Ontario.

Where and how much does it rain in Ontario in September?

Find the average total precipitation in September for the most popular destinations in Ontario on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much rainfall does Ontario receive in September?
    • The September weather in Toronto usually sees a balance of rain and sunshine, with typical rainfall measurements reaching about 83 mm.

  • What is the wettest city in September in Ontario?
    • Based on our records, Schreiber is the location with the highest average precipitation, receiving about 127 mm.

  • What is the driest city in September in Ontario?
    • Among all locations in our dataset, Niagara on the Lake has the lowest average precipitation at 60 mm.

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