BrrChecker

Aller water temperature

Aller, Verden · River

The current water temperature at Aller is 17.0 °C (as of September 20, 2026, source: NLWKN — pegelonline.nlwkn.niedersachsen.de).

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.

17.0 °C
Measured: September 20, 2026 · continuously updated
💧 Water 17.0° · ☀️ Air 18.0°
Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 1399 data points since July 22, 2026.

Lowest recorded value: 16.3 °C on September 11, 2026 · highest value: 24.5 °C on August 5, 2026.

In September, temperatures have ranged between 16.3 °C and 19.6 °C.

The current value is 1.3 °C below the September average of this series.

Nearby waters

Frequently asked questions

Can you swim at Aller right now?
The current water temperature is 17.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Aller?
Currently 17.0 °C (updated continuously).

How warm is at Aller in September?
In September, the water temperature recently averaged 18.3 °C.

When is the water warmest at Aller?
Across the measurement record, August is on average the warmest month (20.5 °C).

Open in the BrrChecker app

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