Rhein water temperature
Rhein, Basler Rheinschwimmen, Basel · Lido
The current water temperature at Rhein is 21.9 °C (as of September 18, 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 1375 data points since July 20, 2026.
Lowest recorded value: 21.4 °C on September 14, 2026 · highest value: 26.0 °C on August 6, 2026.
In September, temperatures have ranged between 21.4 °C and 23.7 °C.
The current value is 0.8 °C below the September average of this series.
Nearby waters
More measuring points: Rhein
Frequently asked questions
Can you swim at Rhein right now?
The current water temperature is 21.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Rhein?
Currently 21.9 °C (updated continuously).
How warm is at Rhein in September?
In September, the water temperature recently averaged 22.7 °C.
When is the water warmest at Rhein?
Across the measurement record, August is on average the warmest month (24.5 °C).
