I know the rule is no white after Labor Day but I say "why not?". White is chic and polished and should work all the time! I am a big fan of clean blue and white and love the freshness of the combo. Here are a couple of my fave fall transitional pieces that break the rules! 
Dorothy Perkins cable crewneck sweater
dorothyperkins.com
Zara vegan shirt
zara.com
Zara lined jacket
zara.com
Zara jump suit
zara.com
J Brand super skinny jeans
my-wardrobe.com
Zara footwear
zara.com
Jimmy Choo silver heel shoes
forwardforward.com
Zara handbag
zara.com
LOFT druzy stud earrings
loft.com
Zara stone necklace
zara.com