It does get foggy around Gallarate and Cascina Costa this time of the Year....and stays that way for weeks sometimes. Most of Italy is fine otherwise.
The Advice about using a Professional Handling Agent is spot on....as proper coordination and a whole lot of patience and ability to deal with bureaucracy can go a very long way to making the trip a real pleasure.
Be careful to plan your Days so you are not pushing daylight getting to your destination....and give plenty of time for completing formalities at each end of your flights each day as there always seems to be some delays in getting paperwork done.
The flying part of the trip is the easy part....the Admin is what is the hard part.
If you make the trip....take lots of photos....and post them here.