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Ljubljanica water temperature

Ljubljanica, Moste I · River

The current water temperature at Ljubljanica is 13.6 °C (as of September 20, 2026, source: ARSO).

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.

13.6 °C
Measured: September 20, 2026 · continuously updated
💧 Water 13.6° · ☀️ Air 19.5° · high today 23.9°
Temperature trend of recent weeks
Ljubljanica
Photo: Renardo la vulpo · CC BY-SA 4.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 352 data points since July 23, 2026.

Lowest recorded value: 13.3 °C on September 18, 2026 · highest value: 23.9 °C on August 5, 2026.

In September, temperatures have ranged between 13.3 °C and 20.0 °C.

The current value is 3.0 °C below the September average of this series.

Nearby waters

More measuring points: Ljubljanica

Frequently asked questions

Can you swim at Ljubljanica right now?
The current water temperature is 13.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Ljubljanica?
Currently 13.6 °C (updated continuously).

How warm is at Ljubljanica in September?
In September, the water temperature recently averaged 16.6 °C.

When is the water warmest at Ljubljanica?
Across the measurement record, July is on average the warmest month (20.3 °C).

Open in the BrrChecker app

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