September weather forecastFraser Island, Australia

September
Weather in September
September applauds the arrival of spring with temperatures rising from 24.3°C (75.7°F) to 16.9°C (62.4°F). Island experiences the year’s minimum rainfall days, descending to 7.7 per month. With increasing daylight hours up to 11.9, routines adjust to suit these changes. Sea temperature remains steady at 22°C (71.6°F) as marine life adapts to the changing conditions. Residents enjoy 9 sunlit hours daily with UV index hiking up to 8.Temperature
September's arrival registers an average high-temperature of a warm 24.3°C (75.7°F), closely aligning with the temperature of the previous month. An average nighttime temperature of 16.9°C (62.4°F) is witnessed throughout September.Rainfall
September is the month with the least rainfall. Rain falls for 7.7 days and accumulates 51mm (2.01") of precipitation.Sea temperature
July through September, with an average sea temperature of 22°C (71.6°F), are months with the coldest seawater in Fraser Island, Australia.Note: Given an individual's cold sensitivity, considering factors like sunshine, wind, and air temperature, a brief swim in 22°C (71.6°F) water might be pleasurable. (FYI: The standard water temperature for Olympic swimming contests is 25°C (77°F) to 28°C (82.4°F).)
Daylight
In September, the average length of the day is 11h and 57min.On the first day of September, sunrise is at 5:59 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 5:46 pm AEST.
Sunshine
September through December, with an average of 9h of sunshine, are months with the most sunshine.UV index
In September, the average daily maximum UV index is 8. A UV Index of 8 to 10 symbolizes a very high health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 8 in September interprets into the following recommendations:
Immediate care is essential; skin and eyes can be harmed in no time without it. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Alert! UV radiation becomes sharper due to reflections from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fraser Island, Australia
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is January (29.4°C).
The month with the lowest average high temperature is July (21.1°C).
- Average low temperature in September: 16.9°C
The month with the highest average low temperature is February (22.4°C).
The coldest month (with the lowest average low temperature) is July (14.3°C).
Average rainfall in September
Fraser Island, Australia
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is February (169mm).
The driest month (with the least rainfall) is September (51mm).
Average rainfall days in September
Fraser Island, Australia
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is September (7.7 days).
Average sea temperature in September
Fraser Island, Australia
- Average sea temperature in September: 22°C
The best months for swimming (with the highest average sea temperature) are January and February (27°C).
The coldest months (with the lowest average sea temperature) are July, August and September (22°C).
Average daylight in September /
Average sunshine in September
Fraser Island, Australia
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in September: 9h
The months with the most sunshine are September, October, November and December (Average sunshine: 9h).
The months with the least sunshine are February, March, April, May and June (Average sunshine: 7h).
Average UV index in September
Fraser Island, Australia
- Average UV index in September: 8
The months with the highest UV index are January, February, November and December (UV index 12).
The month with the lowest UV index is June (UV index 4).





