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Obersee water temperature

Obersee · Lake

The current water temperature at Obersee is 17.6 °C (as of September 18, 2026, source: Wasserportal Berlin).

Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.

17.6 °C
Measured: September 18, 2026 · continuously updated
💧 Water 17.6° · ☀️ Air 20.0°
Temperature trend of recent weeks
Obersee
Photo: Assenmacher · CC BY-SA 3.0 · Wikimedia Commons

Water quality

EU classification: excellent

Measurement series & statistics

This measurement series includes 489 data points since July 22, 2026.

Lowest recorded value: 17.5 °C on September 11, 2026 · highest value: 28.0 °C on July 30, 2026.

In September, temperatures have ranged between 17.5 °C and 20.9 °C.

The current value is 1.4 °C below the September average of this series.

Nearby waters

More measuring points: Obersee

Frequently asked questions

Can you swim at Obersee right now?
The current water temperature is 17.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Obersee?
Currently 17.6 °C (updated continuously).

How warm is at Obersee in September?
In September, the water temperature recently averaged 19.0 °C.

When is the water warmest at Obersee?
Across the measurement record, August is on average the warmest month (22.4 °C).

How is the water quality at Obersee?
The official classification is: excellent.

Open in the BrrChecker app

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