So, I grow indoors in the high country of Arizona. It's been in the 90's outside and has hit 100 or so in my flower tent. I use a 'passive' venting system where I open the low vent hole things on one side and open a couple of the high ones on the other side. I take steps to insure no light leakage. I use a dimmable 600w HPS and depending on the predicted temps for the day, I adjust the wattage.
I've been growing some Purple Larry store bought seed and some local dispensary bag seed, the creator saw fit to put a couple of seeds in my favorite strains for a little bit. So, that could have a lot to do with my results as the most of my plants seem to just thrive, and if it gets too much, add another feeding cycle for the flower tent. Sunrise is 3am and it sets at 2 pm. That seems to be my sweet spot for me. It does get cold and freezes outside in the winter, so the lights provide heat for when it is the coldest part of the day.
Of course, I'm doing it all wrong, folks are going to correct me and really, Im only back into creating a p[ot factory for just over a year yet and still have a lot of perfections to do. That's the long way to say, I'm not sure yet if it has affected the potency of my weed, because it's all been WAAAY better than dispensary weed.