Be smart when you dress smart casual
Dressing yourself is like personal branding.
It says a lot about who you are, and how you wish to be perceived. In hot and humid weather, it can be a bit tricky and uncomfortable to wear a suit. Depending on the kind of date you have in mind, you may want to dress smart casual, so long as the emphasis is more on “smart” than “casual”.
Below are a few suggestions that will not go wrong: