Weather on September 21 in Melbourne
Historical weather data for September 21 in Melbourne, Australia
Based on 55 years of data from MELBOURNE REGIONAL OFFICE
About This Date
September 21st 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 21st was in 2019 (19°C average), while the coldest was 2021 (9°C) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 38% of September 21st dates historically, with the wettest September 21st recording 2.76" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 21st in Melbourne? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 17°C (62°F) | 10°C (50°F) | 0" |
| 2024 | 18°C (64°F) | 9°C (49°F) | 0.14" |
| 2023 | 16°C (60°F) | 7°C (44°F) | 0.14" |
| 2022 | 20°C (68°F) | 12°C (53°F) | 0.06" |
| 2021 | 13°C (56°F) | 5°C (41°F) | 1" |
| 2020 | 19°C (67°F) | 16°C (61°F) | 0" |
| 2019 | 19°C (67°F) | 18°C (65°F) | 0" |
| 2018 | 19°C (67°F) | 7°C (44°F) | 0" |
| 2017 | 23°C (73°F) | 11°C (51°F) | 0" |
| 2016 | 16°C (60°F) | 10°C (50°F) | 0.18" |
| 2015 | 18°C (64°F) | 13°C (55°F) | 0" |
| 2014 | 18°C (64°F) | 12°C (53°F) | 0" |
| 2013 | 19°C (67°F) | 7°C (44°F) | -- |
| 2012 | 18°C (65°F) | 13°C (56°F) | 0.02" |
| 2011 | 21°C (69°F) | 9°C (49°F) | 0" |
| 2010 | 16°C (60°F) | 11°C (52°F) | 0.04" |
| 2009 | 19°C (67°F) | 9°C (48°F) | 0" |
| 2008 | 20°C (68°F) | 7°C (44°F) | 0.04" |
| 2007 | 19°C (67°F) | 12°C (53°F) | 0" |
| 2006 | 19°C (67°F) | 12°C (54°F) | 0.02" |
| 2005 | 21°C (70°F) | 7°C (45°F) | 0" |
| 2004 | 24°C (76°F) | 12°C (53°F) | 0" |
| 2003 | 22°C (71°F) | 11°C (52°F) | 0" |
| 2002 | 21°C (69°F) | 11°C (52°F) | 0" |
| 2001 | 18°C (64°F) | 10°C (50°F) | 0" |
| 2000 | 19°C (67°F) | 11°C (51°F) | 0" |
| 1999 | 20°C (68°F) | 7°C (45°F) | 0" |
| 1998 | 19°C (67°F) | 6°C (42°F) | 0" |
| 1997 | 17°C (62°F) | 10°C (50°F) | 0" |
| 1996 | 16°C (60°F) | 5°C (41°F) | 0.18" |
| 1995 | 17°C (63°F) | 9°C (48°F) | 0.24" |
| 1994 | 13°C (56°F) | 8°C (46°F) | 0.38" |
| 1993 | 16°C (60°F) | 7°C (44°F) | 0.3" |
| 1992 | 14°C (58°F) | 6°C (42°F) | 0" |
| 1991 | 14°C (57°F) | 9°C (48°F) | 0.34" |
| 1990 | 18°C (64°F) | 9°C (49°F) | 0.82" |
| 1989 | 20°C (68°F) | 7°C (45°F) | 0" |
| 1988 | 20°C (68°F) | 6°C (42°F) | 0" |
| 1987 | 17°C (63°F) | 6°C (42°F) | 0" |
| 1986 | 17°C (62°F) | 12°C (53°F) | 0" |
| 1985 | 14°C (58°F) | 9°C (48°F) | 0" |
| 1984 | 13°C (56°F) | 8°C (47°F) | 0.16" |
| 1983 | 17°C (63°F) | 8°C (47°F) | 0.5" |
| 1982 | 19°C (67°F) | 4°C (39°F) | 0" |
| 1981 | 21°C (70°F) | 11°C (52°F) | 0" |
| 1980 | 18°C (64°F) | 9°C (48°F) | 0" |
| 1979 | 14°C (58°F) | 6°C (43°F) | 0" |
| 1978 | 19°C (67°F) | 9°C (49°F) | 0" |
| 1977 | 21°C (70°F) | 6°C (43°F) | 0" |
| 1976 | 17°C (62°F) | 11°C (51°F) | 2.76" |
| 1975 | 18°C (65°F) | 7°C (45°F) | 0.04" |
| 1974 | 17°C (63°F) | 9°C (49°F) | 0.14" |
| 1973 | 16°C (61°F) | 4°C (39°F) | 0" |
| 1972 | 23°C (74°F) | 6°C (42°F) | 0" |
| 1971 | 17°C (63°F) | 8°C (47°F) | 0.08" |