Weather on September 18 in Melbourne
Historical weather data for September 18 in Melbourne, Australia
Based on 55 years of data from MELBOURNE REGIONAL OFFICE
About This Date
September 18th in Melbourne, Australia typically brings mild fall weather, with average highs around 18°C and lows near 9°C. Over 55 years of records, the warmest September 18th was in 1981 (18°C average), while the coldest was 1979 (10°C) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 40% of September 18th dates historically, with the wettest September 18th recording 2.52" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for September 18th in Melbourne? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 19°C (67°F) | 6°C (42°F) | 0.02" |
| 2024 | 21°C (69°F) | 6°C (42°F) | 0" |
| 2023 | 21°C (70°F) | 13°C (55°F) | 0" |
| 2022 | 16°C (60°F) | 9°C (49°F) | 0.38" |
| 2021 | 17°C (63°F) | 11°C (52°F) | 0.02" |
| 2020 | 21°C (69°F) | 9°C (49°F) | 0" |
| 2019 | 19°C (67°F) | 2°C (36°F) | 0" |
| 2018 | 20°C (68°F) | 10°C (50°F) | 0" |
| 2017 | 22°C (71°F) | 9°C (49°F) | 0" |
| 2016 | 13°C (55°F) | 9°C (49°F) | 0.02" |
| 2015 | 14°C (58°F) | 8°C (47°F) | 0.02" |
| 2014 | 14°C (57°F) | 8°C (46°F) | 0.04" |
| 2013 | 20°C (68°F) | 13°C (56°F) | 0" |
| 2012 | 17°C (63°F) | 9°C (48°F) | 0" |
| 2011 | 21°C (69°F) | 12°C (54°F) | 0" |
| 2010 | 17°C (63°F) | 10°C (50°F) | 0" |
| 2009 | 18°C (65°F) | 11°C (51°F) | 1.26" |
| 2008 | 19°C (66°F) | 9°C (48°F) | 0" |
| 2007 | 22°C (71°F) | 7°C (45°F) | 0" |
| 2006 | 22°C (72°F) | 13°C (56°F) | 0" |
| 2005 | 18°C (65°F) | 8°C (46°F) | 0.6" |
| 2004 | 17°C (63°F) | 11°C (52°F) | 0" |
| 2003 | 17°C (62°F) | 10°C (50°F) | 0.16" |
| 2002 | 18°C (65°F) | 10°C (50°F) | 0" |
| 2001 | 22°C (71°F) | 6°C (42°F) | 0" |
| 2000 | 20°C (68°F) | 13°C (56°F) | 0" |
| 1999 | 15°C (59°F) | 8°C (46°F) | 0" |
| 1998 | 21°C (69°F) | 13°C (55°F) | 0" |
| 1997 | 19°C (67°F) | 7°C (45°F) | 0" |
| 1996 | 24°C (76°F) | 10°C (50°F) | 0" |
| 1995 | 23°C (73°F) | 5°C (41°F) | 0" |
| 1994 | 14°C (57°F) | 11°C (52°F) | 0.22" |
| 1993 | 21°C (69°F) | 9°C (48°F) | 0" |
| 1992 | 13°C (55°F) | 11°C (51°F) | 0.12" |
| 1991 | 15°C (59°F) | 9°C (49°F) | 0.88" |
| 1990 | 21°C (70°F) | 7°C (45°F) | 0" |
| 1989 | 19°C (66°F) | 9°C (49°F) | 0.08" |
| 1988 | 16°C (61°F) | 10°C (50°F) | 0.78" |
| 1987 | 24°C (75°F) | 9°C (49°F) | 0" |
| 1986 | 14°C (57°F) | 11°C (52°F) | 0.54" |
| 1985 | 14°C (57°F) | 7°C (45°F) | 0" |
| 1984 | 12°C (53°F) | 9°C (49°F) | 1.02" |
| 1983 | 17°C (63°F) | 8°C (46°F) | 0.02" |
| 1982 | 16°C (61°F) | 9°C (48°F) | 0.08" |
| 1981 | 19°C (67°F) | 17°C (62°F) | 0" |
| 1980 | 17°C (62°F) | 8°C (47°F) | 0.02" |
| 1979 | 13°C (56°F) | 6°C (43°F) | 0" |
| 1978 | 14°C (58°F) | 9°C (49°F) | 1.22" |
| 1977 | 14°C (57°F) | 8°C (46°F) | 0.06" |
| 1976 | 21°C (69°F) | 5°C (41°F) | 0" |
| 1975 | 19°C (66°F) | 12°C (53°F) | 2.52" |
| 1974 | 14°C (57°F) | 7°C (45°F) | 0" |
| 1973 | 21°C (70°F) | 8°C (46°F) | 0" |
| 1972 | 16°C (60°F) | 6°C (42°F) | 0" |
| 1971 | 17°C (63°F) | 8°C (46°F) | 0" |