Sihl water temperature
Sihl, Zürich · River
The current water temperature at Sihl is 16.2 °C (as of September 20, 2026, source: BAFU).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
Measurement series & statistics
This measurement series includes 1340 data points since July 22, 2026.
Lowest recorded value: 0.0 °C on September 13, 2026 · highest value: 28.0 °C on August 4, 2026.
In September, temperatures have ranged between 0.0 °C and 24.0 °C.
The current value is 3.3 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Sihl right now?
The current water temperature is 16.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Sihl?
Currently 16.2 °C (updated continuously).
How warm is at Sihl in September?
In September, the water temperature recently averaged 19.5 °C.
When is the water warmest at Sihl?
Across the measurement record, August is on average the warmest month (22.5 °C).
