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Thousand Islands National Park Canada
Temperatures in September
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Temperature in Thousand Islands National Park in September

Thousand Islands National Park is a region in Canada. September is generally a pleasant month with maximum daytime temperatures around 22°C and nighttime temperatures around 12°C in Brockville.

What is the temperature of the different cities in Thousand Islands National Park in September?

Explore the map below to discover average September temperatures at the top destinations in Thousand Islands National Park. For a deeper dive, simply click on any destination dot.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • How much sun does Thousand Islands National Park get in September?
    • Most areas experience a moderate amount of sunshine, with approximately 165 hours of sunlight expected in Brockville. This makes it neither too gloomy nor overly bright.

    Interested in more climate information?

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    • Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed 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.