I've only had one instance so far where mine sat in the sun, raising the interior temp to over 40c
Unlike my 3 Civics, the Jazz aircon, set to Auto, did perform better and reduced the temp quite quickly and performed a lot better after I turned Econ off.
The Civics fans used to stop far too early, well before the set temp, so I had to set a lower temp. I left the Jazz set to 21 and it almost got there.