Altmühl water temperature
Altmühl, Beilngries o.d. Sulz · River
The current water temperature at Altmühl is 15.4 °C (as of September 20, 2026, source: GKD Bayern).
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 943 data points since July 22, 2026.
Lowest recorded value: 14.3 °C on September 19, 2026 · highest value: 27.2 °C on August 5, 2026.
In September, temperatures have ranged between 14.3 °C and 21.0 °C.
The current value is 2.1 °C below the September average of this series.
Nearby waters
More measuring points: Altmühl
Frequently asked questions
Can you swim at Altmühl right now?
The current water temperature is 15.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Altmühl?
Currently 15.4 °C (updated continuously).
How warm is at Altmühl in September?
In September, the water temperature recently averaged 17.5 °C.
When is the water warmest at Altmühl?
Across the measurement record, August is on average the warmest month (20.8 °C).
