Rhein water temperature

Rhein, Neuhausen, Flurlingerbrücke · River

The current water temperature at Rhein is 21.1 °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.

21.1 °C

Measured: September 20, 2026 · continuously updated

💧 Water 21.1° · ☀️ Air 18.4° · high today 23.3°

Temperature trend of recent weeks

Rhein — Photo: Roland zh · CC BY-SA 3.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 548 data points since July 22, 2026.

Lowest recorded value: 20.6 °C on September 19, 2026 · highest value: 27.4 °C on August 15, 2026.

In September, temperatures have ranged between 20.6 °C and 23.3 °C.

The current value is 1.2 °C below the September average of this series.

Nearby waters

Rhein, Rhybadi, Schaffhausen · 1.7 km away21.1 °C Rhein (Oberwasser), Rheinau · 5.1 km away21.1 °C Rhein, Lido Büsingen · 5.5 km away21.1 °C Rhein, Rhybadi Rodenbrunnen, Diessenhofen · 9.8 km away14.5 °C Thur, Andelfingen · 10.3 km away16.9 °C

More measuring points: Rhein

Basel21.2 °C Basler Rheinschwimmen, Basel21.2 °C Rheinbad Breite, Basel21.2 °C Rheinbad St. Johann, Basel21.2 °C Weil, Palmrainbrücke21.2 °C Lido Büsingen21.1 °C

Frequently asked questions

Can you swim at Rhein right now?
The current water temperature is 21.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Rhein?
Currently 21.1 °C (updated continuously).

How warm is at Rhein in September?
In September, the water temperature recently averaged 22.3 °C.

When is the water warmest at Rhein?
Across the measurement record, August is on average the warmest month (25.0 °C).

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