Here are our retreats in September 2025 in Switzerland from the Nature Vacation 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
Basel, Switzerland
from $852 / 2 Days
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Meezen, Germany
from $796 / 3 Days
Oberlahr, Germany
from $205 / 3 Days
Wiesenburg/Mark, Germany
from $1,012 / 3 Days
Mondsee, Austria
from $676 / 5 Days
Wald-Michelbach, Germany
from $511 / 5 Days
Kall, Germany
from $335 / 4 Days
Bad Wörishofen, Germany
from $805 / 5 Days
Alvor, Portugal
from $1,022 / 8 Days
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