The best month to visit Switzerland depends on whether you seek snow sports or alpine hiking, but September is widely regarded as the best overall month. During September, the summer crowds have dissipated, but the weather remains mild and stable, perfect for hiking the high-altitude trails in regions like the Bernese Oberland or Zermatt. The mountain lifts and cable cars are all still operational, and the iconic "cattle descent" (Désalpe) festivals occur, where cows decorated with flowers are brought down from the mountains. If you are a winter sports enthusiast, February is the peak month, offering the most reliable snow cover and the longest daylight hours of the winter season. For those seeking the lush, green "Sound of Music" landscape, June is spectacular as the wildflowers bloom, though some higher trails may still have lingering snow. For budget-conscious travelers, October and May offer lower prices, but be aware that many mountain attractions close for maintenance during these "shoulder" periods as the country transitions between seasons.