September weather forecastAirlie Beach, Australia
September
Weather in September
As spring comes around in September, Airlie Beach experiences a slight increase in temperature to an appealing 23°C (73.4°F). Spring beckons a resurgence of warmer weather, with temperatures beginning the climb towards the annual highs. The daylight hours gradually increase, accommodating higher temperatures. Even with the slight temperature rise, September's decent weather allows outdoor activities to be enjoyed to the fullest.Temperature
In September, Airlie Beach's weather conditions record an average high-temperature of a warm 23°C (73.4°F), demonstrating little divergence from the preceding month. September witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 21.4°C (70.5°F).Humidity
In Airlie Beach, the average relative humidity in September is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.2 days and typically collects 9mm (0.35") of precipitation.Sea temperature
In Airlie Beach, in September, the average water temperature is 23°C (73.4°F).Note: Swimming in 23°C (73.4°F) water can be enjoyable based on one's cold tolerance and conditions like sunshine, wind, and ambient temperature. (Olympic swimmers compete in waters between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In September, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 6:13 am and sunset at 5:56 pm. On the last day of September, sunrise is at 5:47 am and sunset at 6:03 pm AEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Airlie Beach, Australia, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Airlie Beach, Australia
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is February (28.2°C).
The months with the lowest average high temperature are July and August (21.6°C).
- Average low temperature in September: 21.4°C
The month with the highest average low temperature is February (26.8°C).
The coldest month (with the lowest average low temperature) is July (19.1°C).
Average pressure in September
Airlie Beach, Australia
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is January (1008.4mbar).
Average wind speed in September
Airlie Beach, Australia
- Average wind speed in September: 19.4km/h
The windiest month (with the highest average wind speed) is March (25.7km/h).
The calmest month (with the lowest average wind speed) is September (19.4km/h).
Average humidity in September
Airlie Beach, Australia
- Average humidity in September: 74%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Airlie Beach, Australia
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is March (227mm).
The driest month (with the least rainfall) is September (9mm).
Average rainfall days in September
Airlie Beach, Australia
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is March (23.4 days).
The month with the least rainy days is August (7 days).
Average sea temperature in September
Airlie Beach, Australia
- Average sea temperature in September: 23°C
The best months for swimming (with the highest average sea temperature) are January, February and March (28°C).
The coldest months (with the lowest average sea temperature) are July and August (22°C).
Average daylight in September /
Average sunshine in September
Airlie Beach, Australia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is December (Average sunshine: 10h and 6min).
The month with the least sunshine is May (Average sunshine: 5h and 54min).
Average sunshine days in September
Airlie Beach, Australia
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is August (21.3 days).
The months with the least sunshine days are February and March (4.8 days).
Average UV index in September
Airlie Beach, Australia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, November and December (UV index 7).
The months with the lowest UV index are May and July (UV index 5).
Average cloud cover in September
Airlie Beach, Australia
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Airlie Beach, Australia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





