Weather in Sydney in September
In an average September, Sydney sees a daily high around 19°C and a low around 13°C, based on 1981–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 16°C to 23°C |
| Average low | 13°C |
| Typical low range | 11°C to 16°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
30°C
2023-09-18
Lowest
12°C
1984-09-29
Low
Highest
21°C
2003-09-23
Lowest
8°C
1982-09-30
Feels-like
Highest
31°C
2000-09-29
Lowest
3°C
1982-09-30
Humidity
Highest
15.4 g/m³
2004-09-29
Lowest
5.9 g/m³
1982-09-04
Wind
Highest
57 km/h
1995-09-25
Lowest
10 km/h
1995-09-16
Precip
Wettest
181 mm
1995
Driest
1 mm
2017
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