Sea Temperature in Southwick in September

© Lagoon Watersports

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

Southwick Climate and Swimming Opportunities in September

Southwick lies within the England in United Kingdom. The average daytime temperature in Southwick in September is 19°C (65°F), while the nighttime average is 10°C (50°F). There are typically 11 rainy days during the month, with a total precipitation of 59 mm (2.3 inches). The daylight duration in September in Southwick is 12 hours, with an average of 5 hours of sunshine per day. The average wind speed in September is 19 km/h (12 mph), and the humidity level is around 85%.

The water temperature in Southwick in September ranges from 16°C to 18°C (61°F to 64°F). At the beginning of the month, the average temperature is around 18°C (64°F), shifting to 17°C (63°F) by mid-September and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Southwick for September is 17°C (63°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Frequently Asked Questions About Water Temperatures in September in Southwick