Weather in Waikiki Beach, Honolulu, United States in September

So you're interested in going to Waikiki Beach, Honolulu, United States in September

September is a hot and slightly rainy time for sunbathing in Waikiki Beach. September is an excellent month for swimming in Waikiki Beach with very warm sea temperatures. Consider visiting Waikiki Beach in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for September.

Temperature in Waikiki Beach in September

The average maximum temperature in Waikiki Beach in September is 31°. The average maximum temperature is 31° in the previous month and 30° in the next month.

The average temperature in Waikiki Beach in September is 28°. The average temperature ranges is 28° in the previous month and 27° in the next month.

The average minimum temperature in Waikiki Beach in September is 24°. The minimum temperature is 24° in the previous month and 23° in the next month.

Sunshine in Waikiki Beach in September

The average day light hours per day in Waikiki Beach in September are 12.3 and there are 6.9 hours of sunshine per day on average during September making it a quite sunny month with some cloud cover.

The ultraviolet index in Waikiki Beach in September is typically 11.8 during September. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Waikiki Beach in September

The average sea water temperature in Waikiki Beach in September is 27.4° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Waikiki Beach in September

The average total rainfall in Waikiki Beach in September is 23.5cm and on average there are 14.8 rainy days in September making it a slightly wet time to visit the beach.

Humidity in Waikiki Beach in September

The maximum dew point (an indicator of humidity) in Waikiki Beach in September is 21° which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 21° in the previous month and 21° in the next month.

The average maximum relative humidity in Waikiki Beach in September is typically 80.8%. The maximum relative humidity is 77% in the previous month and 81.5% in the next month.

The average relative humidity in Waikiki Beach in September is typically 64.6%. The average relative humidity is 62.2% in the previous month and 66.9% in the next month.

Wind Speed in Waikiki Beach in September

The average maximum wind speed in Waikiki Beach in September is typically 32kmh. The average maximum wind speed is 34kmh in the previous month and 30kmh in the next month.

The average wind speed in Waikiki Beach in September is typically 16kmh. The average wind speed is 18kmh in the previous month and 15kmh in the next month.

The average wind direction in Waikiki Beach in September is from the North-Northeast.

Monthly Averages

Suggested Beaches in September

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