A loose flowy tshirt/ tank so u dont get too hot. or a crop top or tight tank if u want a little more skin showing.

I would wear either a high/low sweater, a cardigan w/a cami, or a long sleeve blouse.

PFFTT, a crop? 18 celcius. It's pretty cold outside. Throw on a neutral colored tank or cami, and this: sweater.

a crop top

crop

crop top

A skirt

Hmmmm