Weather in Sydney in September
Climate normals based on 10 years of historical data for Sydney, Australien.
Average high
20°C
Average low
12°C
Rainfall
47 mm
7 rainy days
Sunshine
5.1h/day
Luftfeuchtigkeit
64%
Sea temperature
18.4°C
How Hot Is Sydney in September?
Bright, warm days dominate Sydney in September — 20°C peaks, 12°C lows. Temperatures climb 2°C over August's averages in Sydney.
Sunshine Hours in September
September delivers about 5.1h of sun in Sydney — a mix of sunny stretches and cloudy ones.
Does It Rain In Sydney In September?
Expect spells of rain in Sydney: 47mm total, with 7 wet days in September.
Is Sydney Humid In September?
Mugginess defines the air in Sydney: 64% humidity, especially heavy after rain.
How Warm Is The Sea In Sydney In September?
Water temperatures around 18.4°C make September early-season swimming possible in Sydney.
Wind In Sydney In September
Sea breeze or thermal winds keep Sydney moving at 22 kph in September.
Cloud Cover In Sydney In September
Expect a mix of sunny and cloudy stretches: 48% average cloud cover in Sydney.
Cities With Similar Weather In September
Weather in Sydney, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | 26°C / 20°C | 108mm | Details → |
| Wetter im Februar | 26°C / 20°C | 113mm | Details → |
| Wetter im März | 25°C / 19°C | 164mm | Details → |
| Wetter im April | 22°C / 16°C | 104mm | Details → |
| Wetter im Mai | 19°C / 12°C | 71mm | Details → |
| Wetter im Juni | 17°C / 10°C | 87mm | Details → |
| Wetter im Juli | 17°C / 9°C | 66mm | Details → |
| Wetter im August | 18°C / 10°C | 51mm | Details → |
| Wetter im September | 20°C / 12°C | 47mm | |
| Wetter im Oktober | 22°C / 14°C | 86mm | Details → |
| Wetter im November | 23°C / 16°C | 88mm | Details → |
| Wetter im Dezember | 25°C / 18°C | 69mm | Details → |