Fight it before showing up to a venue or a recording session 
I normally get it dialed in on my monitor/amp at home and then find that the soundboard/FOH is a whole different story. So not possible really to do what you say in my experience.
I complained elsewhere in this forum about the difference in output gain, and other folks set me straight.
QC gives you the ability to look at output volume levels while setting up your presets. On the grid, press and hold on the output block; it will pop up and show you the output gain. From there you can compare how scenes or stomps affect the output, and tweak your amp/drive/FX blocks accordingly.
Pick an arbitrary number – “I want my QC’s output to hang around -18 dB” or whatever – and set up your preset(s) so everything is in the same ballpark volume-wise. A compressor on the end of the chain like the SSL can help keep everything together, especially if you’re working with a lot of effects. There’s nothing keeping you from doing this on your own.
Fletcher-Munson is a different consideration at club volumes. If you’re finding a wide difference in sound between presets at that level it’s probably due to EQ issues and/or sensitivity to high frequencies. Normalization isn’t going to help then. Always good to check with a sound guy at that volume and then lock in the settings you’re using.
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Normalizing the patch volume is so dependent on how you’re playing, what the guitar is, tuning + chords or notes you’re playing.
Realistically I can set an amp the same for multiple players, and the way they play or the guitar can shift that a ton.
I use loudness meter Plugins/inserts in my DAW to get my presets / scenes to the same perceived volume. Works pretty good because they measure the volume (or at least try to) in the way humans perceive volume and I only rarely have to adjust gain levels at a venue.
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