Sea Temperature in Dundalk in September

© Will Meyers

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

Dundalk Climate and Swimming Opportunities in September

Dundalk lies within the Maryland in United States. The average daytime temperature in Dundalk in September is 78°F (25°C), while the nighttime average is 59°F (15°C). There are typically nine rainy days during the month, with a total precipitation of 3.8 inches (97 mm). The daylight duration in September in Dundalk is 12 hours, with an average of 7 hours of sunshine per day. The average wind speed in September is 6 mph (10 km/h), and the humidity level is around 72%.

The water temperature in Dundalk in September ranges from 72°F to 79°F (22°C to 26°C). At the beginning of the month, the average temperature is around 77°F (25°C), shifting to 75°F (24°C) by mid-September and reaching 73°F (23°C) in the last ten days. Overall, the average sea temperature in Dundalk for September is 75°F (24°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 Dundalk