Sea Temperature in Mystic Island in September

© Edward Andrew

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

Mystic Island Climate and Swimming Opportunities in September

Mystic Island lies within the New Jersey in United States. The average daytime temperature in Mystic Island 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 3.2 inches (81 mm). The daylight duration in September in Mystic Island 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 76%.

The water temperature in Mystic Island 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 73°F (23°C) by mid-September and reaching 72°F (22°C) in the last ten days. Overall, the average sea temperature in Mystic Island for September is 73°F (23°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 Mystic Island