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September is one of the best months to visit Hawaii Island for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.
September has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 7.6hrs making the days quite long and bright.
September has total rainfall of 5.8cm (2.3inches) making it mostly dry with only intermittent light showers. There are only 10.2 days with some rainfall so you can still enjoy the beach on the majority of days.
Sea temperatures are a very warm 27°C (81°F). September is an excellent month for swimming in Hawaii Island with very comfortable temperatures for bathing all day. The sea temperature in September is slightly warmer than the previous month.
Also consider visiting Hawaii Island in one of the other best months of June, July, October, for the best beach weather. Also consider one of our other suggestions for September.
Yes, September is a good time for sunbathing in Hawaii Island.
September has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 7.6hrs making the days quite long and bright. September has total rainfall of 5.8cm (2.3inches) making it mostly dry with only intermittent light showers. There are only 10.2 days with some rainfall so you can still enjoy the beach on the majority of days.
More about September temperature and sunshine.
Yes, September is an excellent month for swimming in Hawaii 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 Hawaii Island.
September has average maximum temperatures of 29°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 7.6hrs making the days quite long and bright. September has total rainfall of 5.8cm (2.3inches) making it mostly dry with only intermittent light showers. There are only 10.2 days with some rainfall so you can still enjoy the beach on the majority of days. Sea temperatures are a very warm 27°C (81°F). September is an excellent month for swimming in Hawaii Island with very comfortable temperatures for bathing all day.
More about the September temperatures and sunshine.
Yes, Hawaii Island is very warm and perfect for sunbathing on clear days in September.
The average maximum temperature in Hawaii Island in September is 29°C (85°F). The average maximum temperature is 29°C (85°) in the previous month and 29°C (84°F) in the next month.
The average temperature in Hawaii Island in September is 26°C (79°F). The average temperature is 26°C (79°F) in the previous month and 26°C (78°F) in the next month.
More info about the September temperatures and sunshine.
The average day light hours per day in Hawaii Island in September are 12.3. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 7.6hrs making the days quite long and bright.
More about September sunshine.
The average maximum temperature in Hawaii Island in September is 29°C (85°F). The average maximum temperature is 29°C (85°F) in the previous month and 29°C (84°F) in the next month.
The average temperature in Hawaii Island in September is 26°C (79°F). The average temperature is 26°C (79°F) in the previous month and 26°C (78°F) in the next month.
The average minimum temperature in Hawaii Island in September is 23°C (73°F). The minimum temperature is 23°C (73°F) in the previous month and 22°C (72°F) in the next month.
The days in September are marginally shorter than the previous month and days continue to get slightly shorter into October. September has less hours of sunshine than the previous month and hours of sunshine continue to drop into October. During September the average day light hours are 12.3 per day in Hawaii Island. The sunshine percentage is 62% making it sunny but overcast at times. The hours of sunshine per day are 7.6hrs making the days quite long and bright.
The ultraviolet index in Hawaii Island in September is typically 12.4 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 Hawaii Island in September is 27°C (80.6°F) which is very warm and ideal for relaxing and swimming for the whole day. The sea temperature in September is slightly warmer than the previous month.
September weather is slightly drier than the previous month. September has a couple of less days of rain than the previous month and rainy days continue to drop slightly into October. The average total rainfall in Hawaii Island in September is 5.8cm (2.3inches) and on average there are 10.2 rainy days in September making it a pretty wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Hawaii 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 (71°F) in the previous month and 21°C (21°F) in the next month.
The average maximum relative humidity in Hawaii Island in September is typically 80.2%. The maximum relative humidity is 81.4% in the previous month and 81.3% in the next month.
The average relative humidity in Hawaii Island in September is typically 67.9%. The average relative humidity is 68.8% in the previous month and 69.5% in the next month.
The average maximum wind speed in Hawaii Island in September is typically 23KM/H (14MPH). The average maximum wind speed is 23KM/H (15MPH) in the previous month and 22KM/H (14MPH) in the next month.
The average wind speed in Hawaii Island in September is typically 11KM/H (7MPH). The average wind speed is 11KM/H (7MPH) in the previous month and 10KM/H (6MPH) in the next month.
The average wind direction in Hawaii Island in September is from the South-Southwest.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
