The mark above 80C is 100C. The aux fans will at least be on low speed with the A/C on in traffic when the pressure is high enough. The fan clutch should be locked by 96C or so.
How hot exactly was it and how long were you sitting in traffic? The temp that your car was running at was 110C
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record