Weather on September 18 in Brisbane
Historical weather data for September 18 in Brisbane, Australia
Based on 55 years of data from BRISBANE REGIONAL OFFICE
About This Date
September 18th in Brisbane, Australia typically brings pleasant fall weather, with average highs around 25°C and lows near 14°C. Over 55 years of records, the warmest September 18th was in 1980 (23°C average), while the coldest was 1990 (15°C) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 18th dates historically, with the wettest September 18th recording 1.8" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for September 18th in Brisbane? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 29°C (84°F) | 17°C (63°F) | 0 mm |
| 2024 | 26°C (78°F) | 14°C (57°F) | 0 mm |
| 2023 | 26°C (79°F) | 14°C (58°F) | 0 mm |
| 2022 | 27°C (81°F) | 11°C (52°F) | 0 mm |
| 2021 | 25°C (77°F) | 13°C (56°F) | 0 mm |
| 2020 | 26°C (79°F) | 16°C (61°F) | 0 mm |
| 2019 | 27°C (81°F) | 15°C (59°F) | 10 mm |
| 2018 | 24°C (76°F) | 12°C (54°F) | 0 mm |
| 2017 | 24°C (76°F) | 13°C (56°F) | 0 mm |
| 2016 | 23°C (73°F) | 18°C (65°F) | 8 mm |
| 2015 | 23°C (73°F) | 13°C (55°F) | 46 mm |
| 2014 | 27°C (81°F) | 11°C (52°F) | 0 mm |
| 2013 | 29°C (85°F) | 13°C (55°F) | 1 mm |
| 2012 | 21°C (70°F) | 15°C (59°F) | 1 mm |
| 2011 | 32°C (90°F) | 14°C (57°F) | 0 mm |
| 2010 | 24°C (75°F) | 13°C (55°F) | 0 mm |
| 2009 | 28°C (83°F) | 14°C (57°F) | 0 mm |
| 2008 | 21°C (69°F) | 14°C (58°F) | 0 mm |
| 2007 | 26°C (78°F) | 13°C (55°F) | 0 mm |
| 2006 | 24°C (75°F) | 12°C (54°F) | 0 mm |
| 2005 | 26°C (79°F) | 9°C (49°F) | 0 mm |
| 2004 | 27°C (80°F) | 13°C (55°F) | 0 mm |
| 2003 | 31°C (87°F) | 13°C (55°F) | 0 mm |
| 2002 | 22°C (72°F) | 12°C (54°F) | 5 mm |
| 2001 | 25°C (77°F) | 14°C (57°F) | 0 mm |
| 2000 | 28°C (82°F) | 13°C (55°F) | 0 mm |
| 1999 | 24°C (76°F) | 16°C (60°F) | 1 mm |
| 1998 | 23°C (74°F) | 14°C (57°F) | 0 mm |
| 1997 | 19°C (67°F) | 17°C (63°F) | 0 mm |
| 1996 | 24°C (76°F) | 11°C (52°F) | 0 mm |
| 1995 | 24°C (76°F) | 15°C (59°F) | 0 mm |
| 1994 | 24°C (76°F) | 12°C (54°F) | 0 mm |
| 1993 | 24°C (75°F) | 13°C (55°F) | 1 mm |
| 1992 | 24°C (75°F) | 8°C (46°F) | 0 mm |
| 1991 | 27°C (80°F) | 13°C (55°F) | 1 mm |
| 1990 | 20°C (68°F) | 11°C (51°F) | 0 mm |
| 1989 | 30°C (86°F) | 15°C (59°F) | 5 mm |
| 1988 | 24°C (75°F) | 13°C (56°F) | 0 mm |
| 1987 | 25°C (77°F) | 16°C (60°F) | 0 mm |
| 1986 | 26°C (78°F) | 16°C (60°F) | 0 mm |
| 1985 | 24°C (75°F) | 17°C (63°F) | 0 mm |
| 1984 | 22°C (72°F) | 13°C (56°F) | 6 mm |
| 1983 | 23°C (73°F) | 15°C (59°F) | 20 mm |
| 1982 | 24°C (75°F) | 14°C (57°F) | 0 mm |
| 1981 | 24°C (76°F) | 14°C (57°F) | 0 mm |
| 1980 | 28°C (83°F) | 19°C (66°F) | 0 mm |
| 1979 | 26°C (78°F) | 14°C (57°F) | 0 mm |
| 1978 | 26°C (78°F) | 11°C (52°F) | 0 mm |
| 1977 | 24°C (76°F) | 12°C (53°F) | 0 mm |
| 1976 | 18°C (65°F) | 14°C (57°F) | 18 mm |
| 1975 | 26°C (78°F) | 15°C (59°F) | 0 mm |
| 1974 | 18°C (65°F) | 14°C (58°F) | 0 mm |
| 1973 | 23°C (74°F) | 13°C (56°F) | 0 mm |
| 1972 | 26°C (78°F) | 13°C (55°F) | 0 mm |
| 1971 | 23°C (74°F) | 14°C (57°F) | 0 mm |