Weather in Sydney in September
Sydney, Australia averages a high of 19.9°C (67.8°F) and low of 11.4°C (52.5°F) in September, with 6 rain days and 10.4 hours of daily sunshine. Travel score: 83.2/100 (Excellent). The best time to visit Sydney is December.
High
20°C68°F
Low
11°C53°F
🌧️
6
rain days
☀️
10.4
hrs/day sunshine
💧
66%
humidity
83— Excellent
September in Sydney is mild and mostly dry — excellent conditions for exploring.
What are the average temperatures in Sydney?
How much does it rain in Sydney in September?
Sydney receives an average of 41.6mm of rainfall across 6 rainy days in September. The annual total is 723.4mm.
What should I pack for Sydney in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
Recommended
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
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Data based on 1994–2024 averages · Last updated: 2024-12-31