Here are our retreats in September 2025 in Switzerland from the Adventure 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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Rosenberg, Germany
from $438 / 4 Days
Siedelsbrunn, Germany
from $516 / 4 Days
Borkum, Germany
from $519 / 6 Days
Quintin, France
from $526 / 3 Days
Düsseldorf/Hubbelrath, Germany
from $2,194 / 5 Days
Altenfelden, Austria
from $704 / 4 Days
from $681 / 4 Days
Sylt, Germany
from $750 / 6 Days
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