Don’t rush to store your sandals. The cool-down often comes in waves—a “false fall” in early September, followed by a heat spike. Keep a light sweater in your bag for the evening, and embrace the layering game: a t-shirt under an open flannel is your best friend during this limbo period. Your thermostat can be tricky too—set it to 72°F during the day and 68°F at night to avoid shocking your system.
Fun fact: The autumnal equinox (around September 22) is the exact moment when day and night are nearly equal—a celestial bookmark for the start of cooler nights. Mark it on your calendar as a gentle reminder to swap your iced coffee for a warm chai.
When Will Weather Start To Cool Down | Explora Madeira
The Emotional Cool-Down
There’s a psychological side to this temperature change. The cooler air triggers a release of serotonin in some people, while others feel a mild seasonal dip. The key is to use the shift as a reset button. That means swapping evening iced drinks for herbal teas, and moving your walk from noon to late afternoon, when the sun is lower and the breeze is kinder. Your circadian rhythm will thank you.
Cultural reference: In Scandinavian hygge philosophy, the first cool day is a signal to cozy up—light a candle, put on wool socks, and accept that the season of warmth is over. It’s not a loss; it’s a permission slip to rest.
