Autumn Equinox 2026 Marks Astronomical Season Shift
💡 Why it matters
The equinox triggers seasonal changes in weather, daylight, and animal behavior, affecting agriculture and energy use across Canada.
The autumn equinox in the northern hemisphere occurs in September 2026, signaling the official start of astronomical autumn. This event is marked by nearly equal day and night lengths across the globe.
Want more context?
Help us choose what to research next.
📡 Where we spotted it (2)
BBC News
Autumn equinox 2026: When is it and what happens?
40d ago
›
bbc.com
When is the 2026 autumn equinox and what is it?
40d ago
›