When Does Fall Start 2024 In Canada. The seasons are brought about by the yearly orbit of the earth around the sun and the tilt of the earth's axis. On this day, the height of the sun in the sky is the highest.
14, 2024 at 4:26 p.m. The autumnal equinox, or the first day of fall in the northern hemisphere takes place every year on september 22nd or september 23rd.