Weather on September 23 in Perth
Historical weather data for September 23 in Perth, Australia
Based on 53 years of data from PERTH REGIONAL OFFICE
About This Date
September 23rd in Perth, Australia typically brings mild fall weather, with average highs around 21°C and lows near 10°C. Over 53 years of records, the warmest September 23rd was in 2015 (21°C average), while the coldest was 1998 (10°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 43% of September 23rd dates historically, with the wettest September 23rd recording 2.24" of rain. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
Planning for September 23rd in Perth? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 28°C (83°F) | 11°C (52°F) | 0 mm |
| 2024 | 23°C (73°F) | 9°C (49°F) | 0 mm |
| 2023 | 19°C (66°F) | 16°C (61°F) | 0 mm |
| 2022 | 20°C (68°F) | 5°C (41°F) | 0 mm |
| 2021 | 24°C (75°F) | 7°C (45°F) | 0 mm |
| 2020 | 27°C (80°F) | 7°C (45°F) | 1 mm |
| 2019 | 27°C (80°F) | 8°C (47°F) | 0 mm |
| 2018 | 27°C (80°F) | 11°C (52°F) | 0 mm |
| 2017 | 18°C (64°F) | 12°C (53°F) | 15 mm |
| 2016 | 16°C (60°F) | 10°C (50°F) | 26 mm |
| 2015 | 30°C (86°F) | 11°C (51°F) | 0 mm |
| 2014 | 17°C (63°F) | 7°C (44°F) | 0 mm |
| 2013 | 21°C (70°F) | 13°C (56°F) | 26 mm |
| 2012 | 20°C (68°F) | 4°C (40°F) | 1 mm |
| 2011 | 20°C (68°F) | 6°C (43°F) | 0 mm |
| 2010 | 28°C (83°F) | 6°C (43°F) | 0 mm |
| 2009 | 21°C (69°F) | 13°C (56°F) | 1 mm |
| 2008 | 23°C (74°F) | 6°C (42°F) | 0 mm |
| 2007 | 19°C (67°F) | 5°C (41°F) | 0 mm |
| 2006 | 19°C (67°F) | 15°C (59°F) | 0 mm |
| 2005 | 21°C (69°F) | 8°C (46°F) | 0 mm |
| 2004 | 22°C (72°F) | 9°C (49°F) | 0 mm |
| 2003 | 17°C (63°F) | 11°C (51°F) | 23 mm |
| 2002 | 17°C (62°F) | 12°C (53°F) | 6 mm |
| 2001 | 18°C (64°F) | 12°C (53°F) | 19 mm |
| 2000 | 24°C (75°F) | 13°C (55°F) | 0 mm |
| 1999 | 20°C (68°F) | 7°C (45°F) | 0 mm |
| 1998 | 18°C (65°F) | 2°C (35°F) | 3 mm |
| 1997 | 23°C (74°F) | 9°C (49°F) | 0 mm |
| 1996 | 18°C (64°F) | 12°C (54°F) | 2 mm |
| 1995 | 22°C (71°F) | 9°C (48°F) | 0 mm |
| 1994 | 21°C (69°F) | 7°C (44°F) | 0 mm |
| 1991 | 21°C (70°F) | 9°C (49°F) | 0 mm |
| 1990 | 21°C (69°F) | 9°C (49°F) | 9 mm |
| 1989 | 21°C (69°F) | 15°C (59°F) | 6 mm |
| 1988 | 19°C (66°F) | 13°C (55°F) | 7 mm |
| 1987 | 19°C (66°F) | 13°C (55°F) | 57 mm |
| 1986 | 18°C (64°F) | 8°C (47°F) | 1 mm |
| 1985 | 17°C (62°F) | 7°C (44°F) | 1 mm |
| 1984 | 22°C (71°F) | 11°C (52°F) | 0 mm |
| 1983 | 18°C (65°F) | 11°C (51°F) | 2 mm |
| 1982 | 18°C (64°F) | 9°C (49°F) | 2 mm |
| 1981 | 17°C (62°F) | 9°C (49°F) | 0 mm |
| 1980 | 21°C (69°F) | 14°C (58°F) | 3 mm |
| 1979 | 18°C (64°F) | 10°C (50°F) | 0 mm |
| 1978 | 19°C (66°F) | 11°C (52°F) | 36 mm |
| 1977 | 16°C (61°F) | 11°C (52°F) | 0 mm |
| 1976 | 27°C (80°F) | 13°C (56°F) | 0 mm |
| 1975 | 25°C (77°F) | 10°C (50°F) | 0 mm |
| 1974 | 22°C (72°F) | 11°C (52°F) | 0 mm |
| 1973 | 21°C (70°F) | 10°C (50°F) | 0 mm |
| 1972 | 19°C (66°F) | 13°C (55°F) | 1 mm |
| 1971 | 17°C (63°F) | 8°C (47°F) | 8 mm |