Of all the heat records broken this year – and there have been many – the one that September just notched might be the most absurd.
Last month was the hottest September on record by 0.5 degrees Celsius (0.9 degrees Fahrenheit). That may not sound like a big deal, but as far as heat-record margins go, it's massive — or, as climate scientist Zeke Hausfather posted on the social networking site known as X, "absolutely gobsmackingly bananas."
