average daily temperature for emerald isle in september
Max: 28.8Â°C / 83.8Â°F. Avg: 27.1Â°C / 80.8Â°F. Min: 26.3Â°C / 79.3Â°F. These figures are calculated from several years of recorded data and are the maximum, minimum and average temperatures of all the recorded years. Average daily September sea temperatures. Monthly Emerald Isle water temperature chart.