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September is one of the best months to visit Oahu Island for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.
Also consider one of our other suggestions for September.
Yes, September is a good time for sunbathing in Oahu Island. September is hot with lots of sunshine but some overcast and cloudy skies, still great for sunbathing, and there is high chance of rain showers.
The average maximum temperature in Oahu Island in September is 29°C (84°F).
More about September temperature and sunshine.
Yes, September is an excellent month for swimming in Oahu Island with very warm sea temperatures 27°C (81°F).
More about September sea temperatures.
Yes, September is a good time for visiting Oahu Island.
September is hot and quite sunny but with occasional periods of cloudy and overcast skies. It is rainy with occasional dry periods but many rainy days.
It's a rainy month, however on the days with out rain it's perfect for laying on the beach and enjoying the sunshine.
The average maximum temperature in Oahu Island in September is 29°C (84°F).
More about the September temperatures and sunshine.
The average minimum temperature in Oahu Island in September is 22°C (72°F). The minimum temperature is 22°C (72°F) in the previous month and 22°C (71°F) in the next month.
More about the September temperatures and sunshine.
The average day light hours per day in Oahu Island in September are 12.3 and there are 7.3 hours of sunshine per day on average during September, making it quite sunny but with occasional periods of cloudy and overcast skies.
More about September sunshine.
Yes, September is an excellent month for swimming in Oahu Island with very warm sea temperatures 27°C (81°F).
More about September sea temperatures.
Yes, September is a good time for a holiday in Oahu Island.
September is hot and quite sunny but with occasional periods of cloudy and overcast skies. It is rainy with occasional dry periods but many rainy days.
It's a rainy month, however on the days with out rain it's perfect for laying on the beach and enjoying the sunshine.
The average maximum temperature in Oahu Island in September is 29°C (84°F).
More about the September temperatures and sunshine.
Yes, Oahu Island is worth visiting in September.
September is hot and quite sunny but with occasional periods of cloudy and overcast skies. It is rainy with occasional dry periods but many rainy days.
It's a rainy month, however on the days with out rain it's perfect for laying on the beach and enjoying the sunshine.
The average maximum temperature in Oahu Island in September is 29°C (84°F).
More about the September temperatures and sunshine.
Yes, Oahu Island is hot in September.
The average maximum temperature in Oahu Island in September is 29°C (84°F). The average maximum temperature is 29°C (84°) in the previous month and 29°C (83°F) in the next month.
The average temperature in Oahu Island in September is 26°C (78°F). The average temperature ranges is 26°C (78°F) in the previous month and 25°C (77°F) in the next month.
More info about the September temperatures and sunshine.
The average maximum temperature in Oahu Island in September is 29°C (84°F). The average maximum temperature is 29°C (84°F) in the previous month and 29°C (83°F) in the next month.
The average temperature in Oahu Island in September is 26°C (78°F). The average temperature ranges is 26°C (78°F) in the previous month and 25°C (77°F) in the next month.
The average minimum temperature in Oahu Island in September is 22°C (72°F). The minimum temperature is 22°C (72°F) in the previous month and 22°C (71°F) in the next month.
The average day light hours per day in Oahu Island in September are 12.3 and there are 7.3 hours of sunshine per day on average during September making it quite sunny but with occasional periods of cloudy and overcast skies
The ultraviolet index in Oahu Island in September is typically 11.9 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.
The average sea water temperature in Oahu Island in September is 27.4°C (81.3°F) which is very warm and ideal for relaxing and swimming for the whole day.
The average total rainfall in Oahu Island in September is 4.6cm (1.8inches) and on average there are 16.7 rainy days in September making it a wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Oahu Island in September is 21°C (70°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 21°C (70°F) in the previous month and 21°C (21°F) in the next month.
The average maximum relative humidity in Oahu Island in September is typically 84.2%. The maximum relative humidity is 83.4% in the previous month and 85.8% in the next month.
The average relative humidity in Oahu Island in September is typically 70.7%. The average relative humidity is 70% in the previous month and 72.5% in the next month.
The average maximum wind speed in Oahu Island in September is typically 27KM/H (17MPH). The average maximum wind speed is 29KM/H (18MPH) in the previous month and 26KM/H (16MPH) in the next month.
The average wind speed in Oahu Island in September is typically 14KM/H (9MPH). The average wind speed is 15KM/H (10MPH) in the previous month and 13KM/H (8MPH) in the next month.
The average wind direction in Oahu Island in September is from the East-Northeast.
