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Ahr water temperature

Ahr, Ahr bei Kematen · River

The current water temperature at Ahr is 10.9 °C (as of September 20, 2026, source: Agentur für Bevölkerungsschutz Südtirol).

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.

10.9 °C
Measured: September 20, 2026 · continuously updated
💧 Water 10.9° · ☀️ Air 14.7°
Temperature trend of recent weeks
Ahr
Photo: Julian Nyča · CC BY-SA 3.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 407 data points since August 10, 2026.

Lowest recorded value: 8.0 °C on September 12, 2026 · highest value: 16.7 °C on August 13, 2026.

In September, temperatures have ranged between 8.0 °C and 14.5 °C.

The current value is 0.8 °C below the September average of this series.

Nearby waters

More measuring points: Ahr

Frequently asked questions

Can you swim at Ahr right now?
The current water temperature is 10.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Ahr?
Currently 10.9 °C (updated continuously).

How warm is at Ahr in September?
In September, the water temperature recently averaged 11.7 °C.

Open in the BrrChecker app

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