September · Australia
Best time to visit Port Douglas in September Weather, crowds & prices
Weather in Port Douglas in September
Average temperature 24°C, 21 mm of rain, about 26 days with 6+ hours of sunshine and 74% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.8/10
Ranked #1 of 12 months
- Avg temp
- 24°C
- Rainfall
- 21 mm
- Humidity
- 74%
- Days with 6h+ sun
- 26
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Port Douglas scores 9.8/10 for beach and coastal travel - the single best month of the year. Expect around 24°C, 21 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.
Port Douglas is a tropical Queensland town between Four Mile Beach, the Great Barrier Reef and the Daintree.
September in Port Douglas — the year's strongest window
With 24°C (75°F) on average, September delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
With around 21 mm of rain, any showers tend to pass through rather than settle in; about 26 days with 6+ hours of sunshine and 11.9 hours of daylight fill the rest.
On our climate-comfort scale this is the top-ranked month of the year for Port Douglas at 9.8/10 — the reference point every other month on this page is measured against.
Pack light clothing, swimwear and real sun protection.
Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Port Douglas in September?
- In September, Port Douglas averages 24°C, 21 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 9.8/10.
- Is September a good time to visit Port Douglas?
- September earns a 9.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Port Douglas in September?
- Expect about 21 mm of rain in September. Average humidity is 74% and there are about 26 days with 6+ hours of sunshine.
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Port Douglas, Australia. Live activities and tours from GetYourGuide, matched to this destination.