S.a.d. is totally a thing, even in southern cali. I grew up and lived in Ohio until I was 24 though, so I totally feel you. Strangely enough I also still get some of those seasonal effects here. It almost feels like a paradigm shift. People all too often tend to look inwards and blame a depression on themselves. For us, that is easily manifested into dysphoria.
Seconding the light therapy. A few friends of mine up in Portland absolutely swear by them.
Also I like your haircut, it is definitely super feminine. Once again I feel you though; sometimes after doing something that should theoretically make me feel more feminine it tends to do the opposite. Usually the days I am happiest are the ones where I wear the least amount of makeup, pay the least amount of attention to my hair, and simply focus on wearing something that is flattering but most of all comfortable. It is the days where I feel I'm "done up" that I can get a little irked by my appearance. Funny how that works.