Here are our retreats in September 2026 in Switzerland from the Diving 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.
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Wiesenburg/Mark, Germany
from $739 / 2 Days
Sankt Pölten, Austria
from $227 / 4 Days
Ahausen, Germany
from $1,080 / 5 Days
San Sebastian, La Gomera, Kanarische Inseln, Spain
from $678 / 8 Days
Bad Wörishofen, Germany
from $1,435 / 7 Days
Aschau im Chiemgau, Germany
from $818 / 5 Days
Waldbreitbach, Germany
from $699 / 4 Days
Oppenau, Germany
from $773 / 5 Days
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