September heralds the onset of spring and is an excellent time to visit Hamilton Island.
You can expect clear, sunny blue skies, warm daily temperatures and little or no rain.
How hot is it in Hamilton Island in September?
Average daytime temperatures usually reach 25°C (77°F) in Hamilton Island in September, with moderate heat and humidity, falling to 20°C (68°F) at night.
How sunny is it in Hamilton Island in September?
There are normally nine hours of bright sunshine each day in Hamilton Island in September – that's around 75% of daylight hours.
Sunrise & sunset in September?
Sunrise is around 6am with sunset around 6pm.
How warm is the sea around Hamilton Island in September?
The average sea temperature around Hamilton Island in September is 23°C (73°F), which is warm enough for swimming.
Does it rain in Hamilton Island in September?
There are usually two to three days with some rain in Hamilton Island in September and the average monthly rainfall is 9mm (‹1in).
How windy is it in Hamilton Island in September?
September sees an average wind speed of 22km/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 Hamilton 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, August to November is considered the most settled time of year for sailing in the Whitsundays.
|High Temp: 25°C (77°F)|
|Low Temp: 20°C (68°F)|
|Sunshine: 9 hours per day|
|Daylight: 12 hours per day|
|Wind speed: 22 km/h (14 mph; 12 knots)|
|Wet Days: 3 days with some rain|
|Rainfall: 9mm (‹1in) per month|
|Comfort Level: Low heat & 74% humidity|
|UV Index: Very high|
|Sea Temp: 23°C (73°F)|
|Hamilton Island, Whitsundays|
For the best weather visit Hamilton Island anytime between May and November.
Note: Meteorological data for Hamilton Island is based on weather statistics gathered for the 30-year period 1991 to 2020, and is sourced from the Bureau of Meteorology (BoM) at the closest weather station, Hamilton Island Airport (HTI), also known as Great Barrier Reef Airport. Additional climate data is sourced from the World Meteorological Organization (WMO).
Advice on the best time to visit a particular destination 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.
Latest update: Hamilton Island weather in September: 28 September, 2023
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.