The increase was slightly smaller than expected. The average forecast was for inflation to reach 3.2 percent in September.
Inflation measures consumer price increases at an annual rate. Compared with the previous month, Canadian consumer prices rose by 0.1 percent in September, against an expected increase of 0.2 percent.
Core inflation in Canada - which excludes food and energy prices - remained steady at 2.1 percent in September.
Canada imposed tariffs of 15–50 percent on hundreds of US goods in early September, after the Trump administration imposed 50 percent tariffs on Canadian goods.