SeasonMapAirlie Beach (Whitsundays) weather in September
Australia
September in Airlie Beach: warm, dry, with clean air — one of the best months to visit.
#1 of 12 months in Airlie Beach · #33 of 1383 destinations to visit in September · comfort 94/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Airlie Beach in September
Other months in Airlie Beach
Airlie Beach's forum calls October reliably beautiful — warm days, cooler balmy evenings, low humidity and very little rain, with sea conditions flat enough for smooth sailing around the Whitsundays. The one catch regulars flag: stinger season starts around this point, so swimming in the open water means a stinger suit from here on.
Add your own note from Airlie Beach's card on the map.
Airlie Beach climate normals — September
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 20°C / 67°F | |
| Feels like (high) | 27°C / 81°F | |
| Sea temperature | 23°C / 74°F | 🙂 pleasant |
| Rainfall | 12 mm / 0.5 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 17°C / 63°F | |
| Sunshine | 10.9 h/day | |
| Daylight | 12 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 33 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Airlie Beach in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsSailing season and the trades, Spring break in Australia, school holidays in 2 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Airlie Beach's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherAirlie Beach's weather peaks September–November.
September includes Humpbacks in the Whitsundays.
Best weatherFair weatherToughest weather
What's on in Airlie Beach in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Sailing season and the trades
15 May – 30 Sep · usuallyWind seasonCrowdedBook earlyThe south-easterly trades blow hardest through the middle of the year, which is exactly what the bareboat fleet is here for. The crossing to Whitehaven gets lumpy after lunch.
- Nature
Humpbacks in the Whitsundays
1 Jul – 15 Sep · usuallyWhale seasonHumpbacks come into the sheltered water between the islands to calve through the winter, and the sailing day trips tend to find them without going looking. Source ↗
Where is Airlie Beach?
Airlie Beach in September — FAQ
- Is September a good time to visit Airlie Beach?
- September in Airlie Beach: warm, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Airlie Beach on SeasonMap's comfort score (94/100).
- What is the weather like in Airlie Beach in September?
- In September, Airlie Beach averages a daily high of 25.8°C and a low of 19.7°C, with about 12.2 mm of rain over roughly 0.6 rainy days.
- What is the air quality in Airlie Beach in September?
- Airlie Beach has a mean US Air Quality Index of about 33 in September.