She's beautiful, I think you have the "long" flowering phenotype (9-10 weeks), she will pack on some weight you'll see ;)
For the humidity you're ok I'd say, the worst is getting to high when lights off. I noticed on my plants that when the difference in temps between ON and OFF is small (5°C) the buds get bigger, and the bigger that difference, the smaller the buds. I might be very wrong.
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