September is a cold time for sunbathing in Waiheke Island and not really recommended. September is too cold for swimming in Waiheke Island for any length of time, unless you have a wetsuit. Consider visiting Waiheke Island in the months of January, February, March, December, for the best beach weather. Also consider one of our other suggestions for September.
The average maximum temperature in Waiheke Island in September is 16°. The average maximum temperature is 15° in the previous month and 17° in the next month.
The average temperature in Waiheke Island in September is 13°. The average temperature ranges is 12° in the previous month and 14° in the next month.
The average minimum temperature in Waiheke Island in September is 10°. The minimum temperature is 9° in the previous month and 11° in the next month.
The average day light hours per day in Waiheke Island in September are 11.8 and there are 5.3 hours of sunshine per day on average during September making it a sunny month that is overcast at times.
The ultraviolet index in Waiheke Island in September is typically 5.6 during September. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive 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, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in Waiheke Island in September is 14.2° which is cold for swimming, a full wet suit is required to spend any length of time in the sea.
The average maximum wind speed in Waiheke Island in September is typically 31kmh. The average maximum wind speed is 29kmh in the previous month and 34kmh in the next month.
The average wind speed in Waiheke Island in September is typically 17kmh. The average wind speed is 15kmh in the previous month and 19kmh in the next month.
The average wind direction in Waiheke Island in September is from the West.
