Here are our retreats in September 2025 in Switzerland from the Sauna 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.
St. Margrethen, Switzerland
from $829 / 3 Days
Klosters-Serneus, Switzerland
from $1,712 / 5 Days
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Rosenberg, Germany
from $439 / 4 Days
Holzkirchen, Germany
from $289 / 4 Days
Mondsee, Austria
from $688 / 5 Days
Sylt, Germany
from $752 / 6 Days
Kall, Germany
from $399 / 4 Days
Kevelaer, Germany
from $270 / 3 Days
Düsseldorf/Hubbelrath, Germany
from $2,199 / 5 Days
Waidhofen an der Ybbs, Austria
from $752 / 5 Days
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