Sea Temperature in Waikiki in September

© Balazs Peter

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

Waikiki Climate and Swimming Opportunities in September

Waikiki lies within the Hawaii in United States. The average daytime temperature in Waikiki in September is 85°F (30°C), while the nighttime average is 73°F (23°C). There are typically 12 rainy days during the month, with a total precipitation of 1.6 inches (40 mm). The daylight duration in September in Waikiki is 12 hours, with an average of 9 hours of sunshine per day. The average wind speed in September is 10 mph (16 km/h), and the humidity level is around 68%.

The water temperature in Waikiki in September ranges from 79°F to 81°F (26°C to 27°C). At the beginning of the month, the average temperature is around 81°F (27°C), shifting to 81°F (27°C) by mid-September and reaching 81°F (27°C) in the last ten days. Overall, the average sea temperature in Waikiki for September is 81°F (27°C). The water is almost like a bath, perfect for those who prefer very warm conditions. However, it may not be as refreshing on extremely hot days.

Frequently Asked Questions About Water Temperatures in September in Waikiki