Copy notes from Apple Notes app to Evernote. No error checking, written for a one-time import. Worked perfectly for my needs.

Apple Notes to Evernote.applescript

tell application "Notes"
    set theMessages to every note
	repeat with thisMessage in theMessages
		set theNoteName to name of thisMessage
		set theNoteBody to the body of thisMessage
		set theNoteCreationDate to the creation date of thisMessage
		set theNoteModificationDate to the modification date of thisMessage
		
		tell application "Evernote"
			create note with html theNoteBody title theNoteName notebook "Imported Notes" tags "imported_note" created theNoteCreationDate
			
		end tell
	end repeat
end tell