Weather in Perth, Western Australia, Australia in September
In an average September, Perth sees a daily high around 18°C and a low around 14°C, based on 1981–2026 of local climate records.
| Average high | 18°C |
|---|---|
| Typical high range | 16°C to 21°C |
| Average low | 14°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
2023-09-27
Lowest
13°C
1992-09-19
Low
Highest
18°C
1996-09-17
Lowest
8°C
2005-09-10
Feels-like
Highest
33°C
2023-09-27
Lowest
5°C
2004-09-10
Humidity
Highest
14.6 g/m³
2019-09-14
Lowest
6.7 g/m³
2004-09-11
Wind
Highest
66 km/h
1988-09-22
Lowest
10 km/h
1984-09-07
Precip
Wettest
147 mm
1982
Driest
15 mm
2019
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