Are Sicilians accepted by white society ?

Yes. ..............

Sicilians ARE white, genius.

Big yes they even racketeering in their cities

Of course.  Isn’t everyone usually accepted by mostly everyone?

Italy is now overrun with African and Afghan economic migrants.

Yes, but only because they made us an offer we couldn't refuse...

(& @Danny, Sicily isn't its own nation in Europe, it's a region of Italy)

I don't have any idea what you mean by "white society." You mean whites in Europe? Whites in North America? Whites in Latin America? Whites in Africa? Whites in Oceania? Do you mean white as in "Caucasian"? Or white as in "European or of European descent"? Are people from Asia Minor, the Levant, North Africa, the Caucasus, Central Asia, and Arabia "white" because they're considered Caucasian in some parts of the world? I could put a Sicilian, a Scot, a Serb, a Spaniard, and a Swede in the same room, and you wouldn't have any idea which was which. People who convince themselves that they're superior because they're "whiter" than another person tend to do so because they don't have anything else to make them feel good about themselves. What a pathetic way to derive a sense of self-worth. 

AMERICAN'S WORSHIP AL PACINO

Why wouldn't they be?

there is no such a thing as white society. 

society isn't defined by color but by culture, nationality and ethnic origin 

only in america are people obsessed with color even though america has many different people from different ethnic backgrounds. so the concept of a white society in america is just white supremacist logic 

most people in europe don't obsess about race and whiteness and are more likely to see sicilians based on culture or ethnic origin.

and considering how sicily is its own nation in europe, it wouldn't make any logical sense to say they aren't accepted in their country 

In MY part of white society, yes.

(But maybe all people wouldn't call that part "white society".)