September heralds the onset of spring and is an excellent time to visit Hayman Island.
You can expect clear, sunny blue skies, warm daily temperatures and little or no rain.
We answer the most commonly asked questions (FAQs) about Hayman Island weather in September.
How hot is it in Hayman Island in September?
Average daytime temperatures usually reach 25°C (77°F) in Hayman Island in September with moderate heat and humidity, falling to 20°C (68°F) at night.
What does the humidity feel like in Hayman Island in September?
The average dew point temperature in Hayman Island in September is 18°C (64°F), which can feel humid and uncomfortable.
There are on average 10 days in September that may feel muggy.
How sunny is it in Hayman Island in September?
There are normally nine hours of bright sunshine each day in Hayman Island in September – that's around 78% of daylight hours.
Sunrise & sunset in September?
Sunrise is around 6am with sunset around 6pm.
How warm is the sea around Hayman Island in September?
The average sea temperature around Hayman Island in September is 23°C (73°F).
Does it rain in Hayman Island in September?
There are usually three days with some rain in Hayman Island in September and the average monthly rainfall is 13mm (‹1in).
How windy is it in Hayman Island in September?
September sees an average wind speed of 23km/h (14 mph; 12 knots). The predominant wind direction is from the south-east and east. However, north-east winds occur with increasing frequency from September through to January.
What to do in Hayman Island in September?
September is the perfect time for exploring the island’s beaches and hiking trails, as well as swimming, snorkelling, scuba diving and sailing.
While you can sail all year round in Hamilton Island, the sailing season is at it’s best between April and October when cooling southeast trades blow consistently between 27km/h (17 mph; 15 knots) and 46km/h (28 mph; 25 knots).
August to November is considered the most settled time of year for sailing in the Whitsundays.
Local holidays?
None.
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High Temp: 25°C (77°F) |
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Low Temp: 20°C (68°F) |
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Sunshine: 9 hours per day |
12
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Daylight: 12 hours per day |
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Wind speed: 23 km/h (14 mph; 12 knots) |
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Wet Days: 3 days with some rain |
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Rainfall: 13 mm (≤ 1in) per month |
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Comfort Level: Low heat; ≤ 10 muggy days |
10
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UV Index: Very high |
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Sea Temp: 23°C (73°F) |
Hayman Island, Whitsundays |
For the best weather visit Hayman Island anytime between May and November. Late March through December are considered the best holiday months to visit Hayman.
› Hayman Island Weather Overview
Climate source: Meteorological data for Hayman Island is based on weather statistics gathered for the 30-year period 1991 to 2020 by the Bureau of Meteorology (BoM) from the closest weather station: Hamilton Island Airport (HTI), also known as Great Barrier Reef Airport, as well as the weather station on Hayman Island.
Advice on the best time to visit Hayman Island is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices. Dew point temperature measures moisture content in the atmosphere: a higher dew point feels more humid, while a lower dew point feels drier.
Latest update: Hayman Island weather in September: 22 August, 2025
Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.
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