Chattahoochee River at Helen, Georgia · River
The current water temperature at Chattahoochee River at Helen is 22.8 °C (as of September 20, 2026, source: USGS).
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.
This measurement series includes 180 data points since July 23, 2026.
Lowest recorded value: 18.3 °C on August 24, 2026 · highest value: 25.4 °C on July 28, 2026.
In September, temperatures have ranged between 19.4 °C and 25.4 °C.
The current value is 0.6 °C above the September average of this series.
Can you swim at Chattahoochee River at Helen right now?
The current water temperature is 22.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Chattahoochee River at Helen?
Currently 22.8 °C (updated continuously).
How warm is at Chattahoochee River at Helen in September?
In September, the water temperature recently averaged 22.2 °C.
When is the water warmest at Chattahoochee River at Helen?
Across the measurement record, July is on average the warmest month (22.7 °C).