FYI you are fine until 110 by new measures. After that it shuts down by itself. For days I have around 30C and running my s9 normaly at 90C. Can't wait till Monday lol.
On Bitmain's official forum, they say max chip temperature is 115C
Mine go up to 105C during the day.
At night, minimum highest temp goes to 88C - thanks to the crap cooling airflow design - and lowest chip temp is 77C
The hottest S9 (drawing 1580W !) has been running continuously for 4 months now