Kingston Weather in September

Mild and comfortable, with occasional showers. Average highs of 21°C and lows of 15°C, with around 9 rainy days expected throughout the month.

While September isn't our top-rated month for Kingston, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.

Average high

21°C

Average low

15°C

Rainy days

9 days

Best months to visit

July, August

What to do in Kingston in September

Whatever the weather, Kingston rewards curious visitors. Here are some of the best ways to spend your time:

Cruise the Thousand Islands by boat or kayak Explore Fort Henry military heritage site Walk the waterfront promenade and beaches Visit the Canadian Museum of Penitentiary History Kayak among the islands spotting wildlife Tour historic stone buildings in Old Town

What to pack for September

Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.