Weather in Hamilton Island, Whitsunday Islands, Australia in September

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Visiting Hamilton Island, Whitsunday Islands, Australia in September

September is one of the best months to visit Hamilton Island for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

The weather in September is warmer than the previous month and temperatures continue to rise into October. September has average maximum temperatures of 25°C (76°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 44% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day.

September has total rainfall of 2cm (0.8inches) making it extremely dry with very few light showers and most days are rain free. There are just 4.5 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

Sea temperatures are a warm 23°C (73°F). September is a good month for swimming in Hamilton Island with comfortable temperatures for most people. The sea temperature in September is marginally warmer than the previous month and temperatures continue to rise slightly into October.

September marks the beginning of spring in Australia, with warmer weather returning to Hamilton Island. Swimming, sunbathing, and snorkeling are popular activities during this month, as the water begins to warm up and visibility is good. Diving, windsurfing, and kitesurfing are also recommended, thanks to the consistent trade winds. Also consider visiting Hamilton Island in one of the other best months of August, October, November, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Hamilton Island in September?

Yes, September is a good time for sunbathing in Hamilton Island.

September has average maximum temperatures of 25°C (76°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 44% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day. September has total rainfall of 2cm (0.8inches) making it extremely dry with very few light showers and most days are rain free. There are just 4.5 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

More about September temperature and sunshine.

Can you swim in Hamilton Island in September?

Yes, September is a good month for swimming in Hamilton Island with warm sea temperatures 23°C (73°F).

More about September sea temperatures.

Is September a good time to holiday in Hamilton Island?

Yes, September is a good time for a holiday in Hamilton Island.

September has average maximum temperatures of 25°C (76°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 44% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day. September has total rainfall of 2cm (0.8inches) making it extremely dry with very few light showers and most days are rain free. There are just 4.5 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between. Sea temperatures are a warm 23°C (73°F). September is a good month for swimming in Hamilton Island with comfortable temperatures for most people.

More about the September temperatures and sunshine.

Is Hamilton Island warm in September?

Yes, Hamilton Island is nice and warm and makes sunbathing pleasant on clear days in September.

The average maximum temperature in Hamilton Island in September is 25°C (76°F). The average maximum temperature is 22°C (72°) in the previous month and 27°C (80°F) in the next month.

The average temperature in Hamilton Island in September is 22°C (72°F). The average temperature is 20°C (68°F) in the previous month and 24°C (75°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Hamilton Island in September?

The average day light hours per day in Hamilton Island in September are 12. The sunshine percentage is 44% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day.

More about September sunshine.

Crowds in Hamilton Island in September

September marks the start of the peak season on Hamilton Island, with warmer temperatures and the beginning of the spring school holidays. The beach can get moderately crowded during this time, but it is still manageable for those seeking a relaxing beach holiday.

Temperature in Hamilton Island in September

The weather in September is warmer than the previous month and temperatures continue to rise into October. The average maximum temperature in Hamilton Island in September is 25°C (76°F). The average maximum temperature is 22°C (72°F) in the previous month and 27°C (80°F) in the next month.

The average temperature in Hamilton Island in September is 22°C (72°F). The average temperature is 20°C (68°F) in the previous month and 24°C (75°F) in the next month.

The average minimum temperature in Hamilton Island in September is 20°C (67°F). The minimum temperature is 18°C (64°F) in the previous month and 22°C (71°F) in the next month.

Sunshine in Hamilton Island in September

The days in September are longer than the previous month and the days continue to get marginally longer into October. September has a slightly more hours of sunshine than the previous month. During September the average day light hours are 12 per day in Hamilton Island. The sunshine percentage is 44% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.3 hours of sunshine per day.

The ultraviolet index in Hamilton Island in September is typically 11.4 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.

Sea Temperature in Hamilton Island in September

The average sea water temperature in Hamilton Island in September is 22.5°C (72.5°F) which is warm and pleasant for relaxing and swimming for long periods. The sea temperature in September is marginally warmer than the previous month and temperatures continue to rise slightly into October.

Rainfall in Hamilton Island in September

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 Hamilton Island in September is 2cm (0.8inches) and on average there are 4.5 rainy days in September making it a very dry time to visit the beach.

Humidity in Hamilton Island in September

The maximum dew point (an indicator of humidity) in Hamilton Island in September is 19°C (66°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 17°C (63°F) in the previous month and 20°C (20°F) in the next month.

The average maximum relative humidity in Hamilton Island in September is typically 86.9%. The maximum relative humidity is 88% in the previous month and 82.6% in the next month.

The average relative humidity in Hamilton Island in September is typically 73.7%. The average relative humidity is 74.1% in the previous month and 69.2% in the next month.

Wind Speed in Hamilton Island in September

The average maximum wind speed in Hamilton Island in September is typically 34KM/H (21MPH). The average maximum wind speed is 34KM/H (21MPH) in the previous month and 37KM/H (23MPH) in the next month.

The average wind speed in Hamilton Island in September is typically 22KM/H (14MPH). The average wind speed is 23KM/H (14MPH) in the previous month and 26KM/H (16MPH) in the next month.

The average wind direction in Hamilton Island in September is from the East-Southeast.

Monthly Averages

Suggested Beaches in September

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.