In September, rental prices in Switzerland saw a slight increase, with the overall index rising by 0.2 points to 128.1. The canton of Schwyz experienced the highest monthly rise at 3.1%, while year-on-year, it also led with an 11.4% increase. Notably, cities like Basel and Lucerne reported significant annual rent hikes of 1.1% and 8.2%, respectively, while Lausanne saw a decrease of 0.5%.