Weather on September 25 in Sydney
Historical weather data for September 25 in Sydney, Australia
Based on 55 years of data from SYDNEY (OBSERVATORY HILL)
About This Date
September 25th in Sydney, Australia typically brings pleasant fall weather, with average highs around 22°C and lows near 13°C. Over 55 years of records, the warmest September 25th was in 1980 (24°C average), while the coldest was 1976 (12°C) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 25th dates historically, with the wettest September 25th recording 7.36" of rain. The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
Planning for September 25th in Sydney? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 25°C (77°F) | 13°C (56°F) | -- |
| 2024 | 24°C (75°F) | 18°C (64°F) | -- |
| 2023 | 19°C (67°F) | 13°C (56°F) | -- |
| 2022 | 19°C (67°F) | 13°C (56°F) | -- |
| 2021 | 19°C (66°F) | 16°C (61°F) | -- |
| 2020 | 23°C (73°F) | 14°C (57°F) | -- |
| 2019 | 22°C (71°F) | 9°C (49°F) | 0" |
| 2018 | 18°C (64°F) | 10°C (50°F) | 0.08" |
| 2017 | 27°C (80°F) | 16°C (61°F) | 0" |
| 2016 | 22°C (72°F) | 13°C (56°F) | 0.34" |
| 2015 | 17°C (62°F) | 10°C (50°F) | 3.18" |
| 2014 | 24°C (76°F) | 17°C (63°F) | 0" |
| 2013 | 29°C (84°F) | 16°C (60°F) | 0" |
| 2012 | 19°C (66°F) | 12°C (54°F) | 0.02" |
| 2011 | 17°C (63°F) | 13°C (56°F) | 2.38" |
| 2010 | 27°C (80°F) | 13°C (56°F) | 0" |
| 2009 | 26°C (78°F) | 13°C (56°F) | 0" |
| 2008 | 18°C (65°F) | 11°C (51°F) | 0" |
| 2007 | 20°C (68°F) | 13°C (56°F) | 0" |
| 2006 | 20°C (68°F) | 13°C (55°F) | 0" |
| 2005 | 22°C (71°F) | 17°C (62°F) | 0" |
| 2004 | 21°C (70°F) | 15°C (59°F) | 0" |
| 2003 | 30°C (86°F) | 18°C (65°F) | 0" |
| 2002 | 31°C (87°F) | 18°C (64°F) | 0" |
| 2001 | 30°C (86°F) | 18°C (65°F) | 0" |
| 2000 | 17°C (63°F) | 14°C (57°F) | 0.12" |
| 1999 | 21°C (70°F) | 15°C (59°F) | 0" |
| 1998 | 16°C (60°F) | 11°C (51°F) | 0.74" |
| 1997 | 17°C (63°F) | 9°C (49°F) | 4.02" |
| 1996 | 22°C (72°F) | 14°C (57°F) | 0" |
| 1995 | 17°C (62°F) | 11°C (52°F) | 7.36" |
| 1994 | 18°C (65°F) | 11°C (51°F) | 0" |
| 1993 | 21°C (70°F) | 11°C (51°F) | 0" |
| 1992 | 24°C (75°F) | 16°C (61°F) | 0.78" |
| 1991 | 21°C (69°F) | 11°C (51°F) | 0" |
| 1990 | 25°C (77°F) | 13°C (56°F) | 0" |
| 1989 | 26°C (79°F) | 10°C (50°F) | 0" |
| 1988 | 21°C (70°F) | 13°C (55°F) | 0" |
| 1987 | 27°C (81°F) | 14°C (57°F) | 0" |
| 1986 | 27°C (81°F) | 17°C (63°F) | 0.02" |
| 1985 | 28°C (83°F) | 16°C (60°F) | 0" |
| 1984 | 21°C (69°F) | 11°C (51°F) | 0" |
| 1983 | 17°C (63°F) | 13°C (55°F) | 0" |
| 1982 | 24°C (76°F) | 10°C (50°F) | 0" |
| 1981 | 23°C (74°F) | 12°C (53°F) | 0" |
| 1980 | 34°C (94°F) | 14°C (58°F) | 0" |
| 1979 | 19°C (66°F) | 12°C (53°F) | 0.06" |
| 1978 | 18°C (65°F) | 11°C (51°F) | 0" |
| 1977 | 18°C (65°F) | 9°C (49°F) | 0" |
| 1976 | 14°C (58°F) | 8°C (47°F) | 0.2" |
| 1975 | 19°C (67°F) | 12°C (53°F) | 0.98" |
| 1974 | 20°C (68°F) | 9°C (49°F) | 0.96" |
| 1973 | 22°C (71°F) | 16°C (60°F) | 0" |
| 1972 | 22°C (72°F) | 13°C (56°F) | 0" |
| 1971 | 21°C (70°F) | 16°C (60°F) | 0" |