September Rainfall and Precipitation in Thousand Islands National Park
Thousand Islands National Park Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Thousand Islands National Park - and find the best time to visit. See also: Thousand Islands National Park weather by month.
Best Places to Visit in Thousand Islands National Park in September
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Thousand Islands National Park.
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.
Thousand Islands National Park precipitation in September: frequently asked questions
How much rainfall does Thousand Islands National Park, Canada receive in September?
Brockville sees moderate rainfall in September, averaging around 85 mm (3.3 in). Most days stay dry, with the occasional shower.
How many days does it rain in Thousand Islands National Park, Canada in September?
Expect around 12 days rainy days in Brockville during September.
Is September part of the rainy season in Thousand Islands National Park, Canada?
Not really. September is outside the wettest stretch of the year in Thousand Islands National Park, Canada.
Interested in more climate information?
We have much more information about the climate in Thousand Islands National Park.
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