Roskilde Fjord water temperature
Roskilde Fjord, Roskilde Havn · Sea/Coast
The current water temperature at Roskilde Fjord is 17.6 °C (as of September 12, 2026, source: DMI).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
Measurement series & statistics
This measurement series includes 1261 data points since July 20, 2026.
Lowest recorded value: 17.3 °C on September 6, 2026 · highest value: 22.4 °C on July 31, 2026.
In September, temperatures have ranged between 17.3 °C and 19.5 °C.
The current value is 0.9 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Roskilde Fjord 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 Roskilde Fjord?
Currently 17.6 °C (updated continuously).
How warm is at Roskilde Fjord in September?
In September, the water temperature recently averaged 18.5 °C.
When is the water warmest at Roskilde Fjord?
Across the measurement record, July is on average the warmest month (20.6 °C).
