Port Douglas in September
If September is your window for visiting Port Douglas, here's what the climate data says you can expect.
The average daily maximum is 25.6 degrees with overnight lows of 21.2 degrees. Comfortable during the day, with evenings that invite a light layer.
September is 1.6 degrees cooler than Port Douglas's yearly average.
Rainfall in September averages 130mm over about 17 days. That means roughly a 57% chance of rain on any given day, so definitely bring rain gear.
Solar exposure averages 20.0 MJ/m2 per day in September, with UV levels in the extreme range. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
The Comfort Score for September comes in at 7.8/10, solidly pleasant.
Packing tip: bring a mix of short and long sleeves, waterproof gear, and serious sun protection.
Check the data table below for the full picture, or compare Port Douglas in September with another destination.
September at a Glance
Temperature Range
Daily temperature range in September. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- T-shirts and shorts for daytime
- A waterproof jacket or compact umbrella
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How September in Port Douglas stacks up against major cities around the world.
About 6 degrees warmer and considerably wetter.
About 0 degrees cooler and considerably wetter.
About 1 degrees cooler and considerably drier.
How September Compares
Port Douglas's monthly climate at a glance. September is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 30.5 | 25.5 | 680mm | 3.2 |
| Feb | 29.5 | 25.2 | 278mm | 3.8 |
| Mar | 28.7 | 24.8 | 630mm | 4.0 |
| Apr | 27.9 | 23.7 | 246mm | 4.9 |
| May | 25.7 | 22.3 | 167mm | 6.1 |
| Jun | 24.8 | 20.0 | 67mm | 8.7 |
| Jul | 23.7 | 19.2 | 128mm | 8.5 |
| Aug | 24.5 | 20.0 | 107mm | 8.4 |
| Sep | 25.6 | 21.2 | 130mm | 7.8 |
| Oct | 27.4 | 22.7 | 96mm | 7.0 |
| Nov | 28.8 | 23.8 | 118mm | 5.9 |
| Dec | 29.8 | 25.1 | 365mm | 3.9 |