Chattahoochee River at Helen, Georgia water temperature
Chattahoochee River at Helen, Georgia · River
The current water temperature at Chattahoochee River at Helen is 20.9 °C (as of September 1, 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.
Measurement series & statistics
This measurement series includes 134 data points since July 3, 2026.
Lowest recorded value: 18.3 °C on August 24, 2026 · highest value: 25.8 °C on July 18, 2026.
In September, temperatures have ranged between 20.9 °C and 23.0 °C.
The current value is 0.9 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Chattahoochee River at Helen right now?
The current water temperature is 20.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Chattahoochee River at Helen?
Currently 20.9 °C (updated continuously).
How warm is at Chattahoochee River at Helen in September?
In September, the water temperature recently averaged 21.8 °C.
When is the water warmest at Chattahoochee River at Helen?
Across the measurement record, July is on average the warmest month (22.4 °C).
