I know that tartan is often featured as a grunge/ alternative style, but because it is so often red I often associate it with the Holidays. It's a twist on the glitter and glamour of Holiday season.
The fact that you can dress it up by wearing the print in skirt form and still have fun by mixing it with the unexpected - leopard print, keeps this interesting. How I crave the interesting. The days are just getting colder, so instead of dressing it up in black - do this.