As statements they mean the same thing. The second one would not likely be used as a question. It would be more common to say "Isn't is a beautiful day?"
2015년 5월 4일
9
1
1
'Such a beautiful day' is a statement.
'What a beautiful day' could be both a statement or question depending on the tone of your voice or if its in text, then a '?' or a '!' can indicate your meaning.
2015년 5월 4일
2
1
0
The first one is a statement.
The second one can be a statement or question.