One doesn't need to dress conservatively (many Italians don't), but casual attire (e.g. barefoot, beach wear) is generally inappropriate in public and can make one seem unsophisticated. Allow concessions for friends where possible.
People Also Ask
Italians tend to dress simply and stylishly and in fitted rather than baggy clothing. Choose neutral colors like black, dark blue, beige, and white and pack button-down shirts and blouses; chinos; knee-length or below skirts; and a blazer or leather jacket if you're traveling in the shoulder seasons.
Avoid Beach ClothesEspecially when you are visiting big cities like Florence or Rome, or locations not right on the shore, shorts, crop tops, short skirts and flip flops are definitely not the proper outfit for the day.
First thing's first: Italians love a versatile sneaker that's comfy enough to wear trekking through cliffside Italian towns but also stylish enough to wear with a sundress while strolling through a city center.
For the majority of places, such as museums, beaches, and stores, there are no restrictions on what you can wear. Many tourists and locals will wear shorts to these places when the weather is hot. At churches and the Vatican, you can only enter if your knees and shoulders are covered and you aren't wearing a hat.
Since most of September is a summer month, you may want to walk around Rome in shorts. But if you are visiting churches (including the Vatican and Vatican Museums), or any other religious site, you cannot have bare knees showing.
There is no dress code when going to most restaurants but you might receive some funny looks if you show up in sweats. Dressing well is respectful and you'll want to try to blend in with the locals.
You just need to remember respect, so knees and shoulders. You will never know if this in enforced or not so just be sure . mens shorts that finish on the knee are fine , along with a simole t shirt ( not singlet or vest). Women a short mini skirt and vest top you are likely to be refused.