Weather in Newcastle in September
Newcastle, Australia averages a high of 20.4°C (68.7°F) and low of 12.9°C (55.2°F) in September, with 6 rain days and 10.4 hours of daily sunshine. Travel score: 84.3/100 (Excellent). The best time to visit Newcastle is September.
High
20°C69°F
Low
13°C55°F
🌧️
6
rain days
☀️
10.4
hrs/day sunshine
💧
66%
humidity
84— Excellent
September in Newcastle is mild and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Newcastle?
How much does it rain in Newcastle in September?
Newcastle receives an average of 45.6mm of rainfall across 6 rainy days in September. The annual total is 774.5mm.
What should I pack for Newcastle in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
🧴
Sunscreen SPF 30+
10 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