Lake Lucerne water temperature
Lake Lucerne, Strandbad Küssnacht · Lido
The current water temperature at Lake Lucerne is 20.7 °C (as of September 20, 2026, source: official monitoring networks).
Pools and lidos follow their own rules — heated, spring-fed or sun-dependent. Here the operator's on-site report is what counts.
Measurement series & statistics
This measurement series includes 417 data points since July 22, 2026.
Lowest recorded value: 20.5 °C on September 19, 2026 · highest value: 26.3 °C on August 15, 2026.
In September, temperatures have ranged between 20.5 °C and 23.6 °C.
The current value is 1.7 °C below the September average of this series.
Nearby waters
More measuring points: Lake Lucerne
Frequently asked questions
Can you swim at Lake Lucerne right now?
The current water temperature is 20.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Lake Lucerne?
Currently 20.7 °C (updated continuously).
How warm is at Lake Lucerne in September?
In September, the water temperature recently averaged 22.4 °C.
When is the water warmest at Lake Lucerne?
Across the measurement record, August is on average the warmest month (24.4 °C).
