Sea Temperature in Slaughter Beach in September

© Tracy Gamble

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

Slaughter Beach Climate and Swimming Opportunities in September

Slaughter Beach lies within the Delaware in United States. The average daytime temperature in Slaughter Beach in September is 78°F (25°C), while the nighttime average is 60°F (16°C). There are typically nine rainy days during the month, with a total precipitation of 3.6 inches (92 mm). The daylight duration in September in Slaughter 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 77%.

The water temperature in Slaughter Beach in September ranges from 70°F to 75°F (21°C to 24°C). At the beginning of the month, the average temperature is around 73°F (23°C), shifting to 72°F (22°C) by mid-September and reaching 72°F (22°C) in the last ten days. Overall, the average sea temperature in Slaughter Beach for September is 72°F (22°C). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.

Frequently Asked Questions About Water Temperatures in September in Slaughter Beach