Here are our retreats in September 2026 in Switzerland from the Active Retreats section. To know if September is the right month for you to travel in Switzerland, here are a few key weather facts. Temperatures can drop to 1 degrees in September. Highs, on the other hand, can reach 22 degrees.
Basel, Switzerland
from $866 / 2 Days
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Wäschenbeuren, Germany
from $1,149 / 3 Days
Sant Joan, Spain
from $115 / 2 Days
Firenze, Italy
from $681 / 5 Days
Mondsee, Austria
from $218 / 2 Days
Aschau im Chiemgau, Germany
from $415 / 3 Days
Brand, Austria
from $1,252 / 5 Days
Kevelaer, Germany
from $270 / 3 Days
Jüchen, Germany
from $259 / 3 Days
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