Sheath dress or sleeveless wrap dress and a lighter weight blazer.

White blazer, camisole, pants

Professional wear in miami is slightly more fitted, shorter and more cleavagey. You could get away with a silk wrap dress if you have that

White pants, shirt and a non-wool blazer that you can take off outside? Pretend its a typical August 90-degree day in DC - what would you wear?

A midi dress that covers upper arms. Or a light cardigan sweater over a sleeveless dress.

A dress? Non-wool suit?

Traveling to Miami for a client meeting and presenting a strategic plan.
My many suits are wool. I imagine this is not appropriate and also too hot.
What should I wear?