The 1.8 engine bay is a warm place at any time. You can't really conclude too much from that. The only way to see if the engine's running too hot is to drive with the Diagnostic Screen on. This tells you how:
Diagnostic Mode (see section 7):
https://www.the75andztclub.co.uk/for...ode+simplified
Or fit a proper gauge. Remember the 'normal' pointer on your dash gauge remains there from 75 - 115C. Not much help, eh.
TC