Downloaded files management

Hi all,
How can i move only files in to the subfolders with pattern:
from Downloads/*.* to Downloads/YYYY-MM/DD/
for example files downloaded at 2016-09-30 should be moved to Downloads/2016-09/30/
Thank you.
How can i move only files in to the subfolders with pattern:
from Downloads/*.* to Downloads/YYYY-MM/DD/
for example files downloaded at 2016-09-30 should be moved to Downloads/2016-09/30/
Thank you.