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 $815 / 3 Days
Klosters-Serneus, Switzerland
from $1,683 / 5 Days
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Kluis, Germany
from $437 / 3 Days
Senheim (Mosel), Germany
from $1,064 / 6 Days
Oberlahr, Germany
from $205 / 3 Days
Aschau im Chiemgau, Germany
from $636 / 4 Days
Horn-Bad Meinberg, Germany
from $638 / 8 Days
Ibiza, Spain
from $1,125 / 8 Days
Bad Wörishofen, Germany
from $1,435 / 7 Days
Mügeln, Germany
from $335 / 5 Days
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