Weather in Perth in September
In an average September, Perth sees a daily high around 19°C and a low around 12°C, based on 1980–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 16°C to 22°C |
| Average low | 12°C |
| Typical low range | 9°C to 15°C |
| Average daily precipitation | 3 mm |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
31°C
2023-09-27
Lowest
11°C
1999-09-03
Low
Highest
18°C
2015-09-09
Lowest
6°C
2008-09-21
Feels-like
Highest
35°C
2014-09-20
Lowest
0°C
2008-09-21
Humidity
Highest
14.1 g/m³
2014-09-20
Lowest
6.3 g/m³
2004-09-10
Wind
Highest
60 km/h
1988-09-21
Lowest
9 km/h
2016-09-20
Gust
Highest
108 km/h
1988-09-21
Lowest
18 km/h
1990-09-05
Precip
Wettest
137 mm
2013
Driest
15 mm
2010
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