This does not match the season (it’s from fall 2012) but the current weather, since for the past few days, we’ve had thunderstorms and tons of rain. Every Month is Oktoberfest has a dark purple/eggplant base, combined with a quite complex shimmer.
In a word: Awesome. 🙂
Here is a close-up view.
The formula of Every Month is Oktoberfest is similar to Germani-cure by OPI, although Germani-cure has a dark red base. 🙂