Sydney weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Sydney September weather at a glance
In September, Sydney averages 16.5°C, with typical highs of 22.1°C and lows of 11.3°C. The historical average is 5 wet days and 61% humidity.
Sydney September temperature & humidity
Sydney September rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Sydney in September
T-shirts or long sleeves with one light outer layer should be comfortable. The typical day-to-night swing is about 11°C, so bring an extra layer.
- DaytimeLong sleeves and a light jacket · average high 22.1°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 11.3°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Sydney September sunrise & sunset times
2026 September · Local time (Australia/Sydney)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 06:14 | 17:37 | 11h 23m |
| 2026-09-15 | 05:55 | 17:46 | 11h 51m |
| 2026-09-30 | 05:34 | 17:57 | 12h 23m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Sydney
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Sydney weather like in September?
In September, Sydney averages 16.5°C, with typical highs of 22.1°C and lows of 11.3°C. The historical average is 5 wet days and 61% humidity. Our weather-comfort rating for this month is excellent.
Does it rain a lot in Sydney in September?
There are about 5 wet days in September. A compact umbrella is still useful.
What should I wear in Sydney in September?
T-shirts or long sleeves with one light outer layer should be comfortable. The typical day-to-night swing is about 11°C, so bring an extra layer.
What are the best months to visit Sydney?
Recent weather data rates June, July, September, October among the more comfortable months.
Where can I check Sydney weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Sydney in September?
On 2026-09-15, calculated sunrise is 05:55 and sunset is 17:46 in local time (Australia/Sydney). Times vary by date and terrain.
Sydney weather by month
More Oceania destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations