Sea Temperature in Myrtle Beach in September

© Patrick Ritsko

Complete information on the sea temperature range in the Atlantic Ocean in Myrtle Beach in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Myrtle Beach. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Myrtle Beach Climate and Swimming Opportunities in September

Myrtle Beach lies within the South Carolina in United States. The average daytime temperature in Myrtle Beach in September is 84°F (29°C), while the nighttime average is 66°F (19°C). There are typically 10 rainy days during the month, with a total precipitation of 5.9 inches (150 mm). The daylight duration in September in Myrtle Beach is 12 hours, with an average of 8 hours of sunshine per day. The average wind speed in September is 9 mph (15 km/h), and the humidity level is around 79%.

The water temperature in Myrtle Beach in September ranges from 77°F to 82°F (25°C to 28°C). At the beginning of the month, the average temperature is around 82°F (28°C), shifting to 81°F (27°C) by mid-September and reaching 79°F (26°C) in the last ten days. Overall, the average sea temperature in Myrtle Beach for September is 81°F (27°C). The water is almost like a bath, perfect for those who prefer very warm conditions. However, it may not be as refreshing on extremely hot days.

Frequently Asked Questions About Water Temperatures in September in Myrtle Beach