Sea Temperature in Herolds Bay in September

© Theuns Bekker

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

Herolds Bay Climate and Swimming Opportunities in September

Herolds Bay lies within the Western Cape in South Africa. The average daytime temperature in Herolds Bay in September is 20°C (67°F), while the nighttime average is 11°C (51°F). There are typically eight rainy days during the month, with a total precipitation of 33 mm (1.3 inches). The daylight duration in September in Herolds Bay is 12 hours, with an average of 7 hours of sunshine per day. The average wind speed in September is 13 km/h (8 mph), and the humidity level is around 76%.

The water temperature in Herolds Bay in September ranges from 16°C to 17°C (61°F to 63°F). At the beginning of the month, the average temperature is around 17°C (63°F), shifting to 17°C (63°F) by mid-September and reaching 17°C (63°F) in the last ten days. Overall, the average sea temperature in Herolds Bay 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 Herolds Bay