The calendar flips from summer to fall Monday, but the mercury isn’t exactly getting the message.
Although Sept. 22 marks the start of astronomical fall — the fall equinox — Janelle Gergely, a meteorologist with Environment and Climate Change Canada (ECCC) explains that meteorologists use a different measurement when looking at the change in seasons.
“We actually use a different equinox from meteorology; so meteorological fall is Sept. 1 to Nov. 30 and that’s different than this fall equinox,” she said. “The fall equinox is based on the Earth’s orbit and tilt towards the sun and it’s when day and night are generally around the same length. So, meteorological fall actually started about three weeks ago versus astronomical fall, which starts today.”
With that in mind, it almost makes the