In recent years, at the beginning of the month, the temperature value here is at around. 29. 64° c (85. 35° f) lowest: 23. 8° c (74. 84° f) this water temperature is comparable to that of a swimming pool, but it might be higher than most. Webbest time to swim in myrtle beach: The water temperature by month. Do you feel like swimming in myrtle beach in the united states (usa)? Discover the average sea. Webaverage water temperature in north myrtle beach in september is 80. 6°f and therefore suitable for comfortable swimming. The warmest sea in north myrtle beach in. Websep 10, 2017 · average water temperature in myrtle beach in september is 80. 6°f and therefore suitable for comfortable swimming. The warmest sea in myrtle beach in september is 85. 1°f, and the coldest is 75. 4°f. Average high air temperature in myrtle. In recent years, at the beginning of the month, the temperature value here is at around.
