I must have missed this. Must be one hell of party in the works for the weekend of 24 to 25 Sept.
Saturday is the Patrouille Suisse display
http://www.lw.admin.ch/internet/luft...llesuisse.html
Sunday is the fireworks spectacle.
http://www.fete-des-vendanges.ch/f/feu-artifice.htm
All that and there's a wine fair thrown in.