Here are our retreats in September 2026 in Indonesia from the Diving section. To know if September is the right month for you to travel in Indonesia, here are a few key weather facts. Temperatures can drop to 22 degrees in September. Highs, on the other hand, can reach 31 degrees.
View all offers
Villach, Austria
from $405 / 3 Days
Düsseldorf/Hubbelrath, Germany
from $2,199 / 5 Days
Plakias, Greece
from $798 / 7 Days
Horn-Bad Meinberg, Germany
from $649 / 8 Days
Hoisdorf, Germany
from $1,723 / 15 Days
Mondsee, Austria
from $688 / 5 Days
Ahausen, Germany
from $1,099 / 5 Days
Krakow am See, Germany
from $2,048 / 7 Days
New retreats straight to your inbox?
So you always stay up to date.
We take data protection very seriously. Further information