Kalterer See · Lake
The current water temperature at Kalterer See is 21.0 °C (as of September 20, 2026, source: Agentur für Bevölkerungsschutz Südtirol).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
This measurement series includes 321 data points since August 10, 2026.
Lowest recorded value: 20.7 °C on September 19, 2026 · highest value: 28.8 °C on August 13, 2026.
In September, temperatures have ranged between 20.7 °C and 25.7 °C.
The current value is 2.6 °C below the September average of this series.
Can you swim at Kalterer See right now?
The current water temperature is 21.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Kalterer See?
Currently 21.0 °C (updated continuously).
How warm is at Kalterer See in September?
In September, the water temperature recently averaged 23.6 °C.
How is the water quality at Kalterer See?
The official classification is: excellent.