RT by @bueti: The "gobsmackingly bananas" part of these data is this:
the previous September record from 2020 was beaten by a whopping 0.49°C.
The next largest margins by which a previous September record was topped:
0.09°C
0.07°C
0.06°C.
Mostly it happens in increments of 0.01 or 0.02°C.
🐦🔗: https://nitter.cz/rahmstorf/status/1713245765856809446#m