Weather in Cairns in September
Cairns, Australia averages a high of 25.9°C (78.6°F) and low of 19.8°C (67.6°F) in September, with 5 rain days and 11.3 hours of daily sunshine. Travel score: 88.4/100 (Excellent). The best time to visit Cairns is September.
High
26°C79°F
Low
20°C68°F
🌧️
5
rain days
☀️
11.3
hrs/day sunshine
💧
76%
humidity
88— Excellent
September in Cairns is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Cairns?
How much does it rain in Cairns in September?
Cairns receives an average of 21.1mm of rainfall across 5 rainy days in September. The annual total is 1361mm.
What should I pack for Cairns in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 26°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Australia in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31