Ski Andorra, although focused on winter vacation, offers interesting tours in September. At this time it is warm, sunny, you can drink delicious wine of the last years of production, fresh and intoxicating. You can enjoy food in the restaurants of La Massana, Andorra la Vella, Escaldes.
Prices for vacations in Andorra in September are slightly lower than usual, this is due to the beginning of the decline of the season, which does not start until the end. Low season just in October, and that, very conditionally. Rest in Andorra in the fall can be active or useful.