First Day Of Autumn 2024 Nz. The first day of autumn, known for the equinox, has roots that stretch back through history and across cultures. The earth’s fixed tilt as it orbits the sun leads to this.

The earth’s fixed tilt as it orbits the sun leads to this. The first day of autumn is off to a warm start with temperatures to hit a sizzling 27c in parts before a dramatic shift in gear as a storm sweeps across the country.