Weather on September 18 in Buenos Aires
Historical weather data for September 18 in Buenos Aires, Argentina
Avg High19°C (67°F)
Avg Low11°C (52°F)
Warmest199421°C
Coldest19988°C
Based on 54 years of data from AEROPARQUE JORGE NEWBERY
About This Date
September 18th in Buenos Aires, Argentina typically brings mild fall weather, with average highs around 19°C and lows near 11°C. Over 54 years of records, the warmest September 18th was in 1994 (21°C average), while the coldest was 1998 (8°C) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 11% of September 18th dates historically, with the wettest September 18th recording 6.1" of rain.
Planning for September 18th in Buenos Aires? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2024 | 21°C (70°F) | 16°C (60°F) | -- |
| 2023 | 18°C (65°F) | 11°C (51°F) | -- |
| 2022 | 23°C (73°F) | 16°C (60°F) | -- |
| 2021 | 21°C (69°F) | 14°C (57°F) | -- |
| 2020 | 26°C (79°F) | 14°C (57°F) | -- |
| 2019 | 24°C (75°F) | 13°C (56°F) | -- |
| 2018 | -- | 17°C (62°F) | -- |
| 2017 | -- | 15°C (59°F) | -- |
| 2016 | 19°C (66°F) | 12°C (53°F) | -- |
| 2015 | -- | 11°C (52°F) | -- |
| 2014 | 19°C (66°F) | -- | -- |
| 2013 | -- | 6°C (42°F) | 0" |
| 2012 | 21°C (70°F) | 12°C (54°F) | 0" |
| 2011 | 21°C (70°F) | 9°C (48°F) | 0" |
| 2010 | -- | 9°C (49°F) | -- |
| 2009 | 15°C (59°F) | 10°C (50°F) | 6.1" |
| 2008 | 18°C (64°F) | -- | -- |
| 2007 | -- | 13°C (55°F) | 3.51" |
| 2006 | -- | 12°C (54°F) | -- |
| 2005 | -- | 10°C (50°F) | -- |
| 2004 | -- | 13°C (56°F) | -- |
| 2003 | -- | 9°C (48°F) | 0" |
| 2002 | -- | 14°C (57°F) | 0" |
| 2001 | -- | 9°C (49°F) | -- |
| 2000 | -- | 14°C (58°F) | -- |
| 1999 | 27°C (80°F) | 16°C (60°F) | -- |
| 1998 | 13°C (55°F) | 3°C (37°F) | -- |
| 1997 | 18°C (65°F) | 7°C (45°F) | -- |
| 1996 | -- | 12°C (54°F) | 0" |
| 1995 | 22°C (72°F) | -- | -- |
| 1994 | 26°C (79°F) | 16°C (60°F) | -- |
| 1993 | 21°C (70°F) | 16°C (60°F) | 0.2" |
| 1992 | -- | 10°C (50°F) | -- |
| 1991 | 23°C (73°F) | 9°C (49°F) | -- |
| 1990 | 14°C (57°F) | 12°C (53°F) | -- |
| 1989 | 22°C (71°F) | 13°C (55°F) | -- |
| 1988 | -- | 8°C (46°F) | -- |
| 1987 | 16°C (60°F) | -- | -- |
| 1986 | 14°C (58°F) | 7°C (45°F) | -- |
| 1985 | 18°C (65°F) | 11°C (51°F) | -- |
| 1984 | 18°C (64°F) | 14°C (58°F) | -- |
| 1983 | 17°C (62°F) | 9°C (49°F) | 0.1" |
| 1982 | 14°C (58°F) | 6°C (43°F) | -- |
| 1981 | -- | 10°C (50°F) | 0" |
| 1980 | 18°C (65°F) | 5°C (41°F) | -- |
| 1979 | 13°C (56°F) | 4°C (40°F) | -- |
| 1978 | -- | 12°C (54°F) | 4.19" |
| 1977 | 22°C (71°F) | 7°C (45°F) | 0" |
| 1976 | -- | 8°C (46°F) | -- |
| 1975 | -- | 15°C (59°F) | -- |
| 1974 | -- | 11°C (52°F) | 0.3" |
| 1973 | -- | 7°C (45°F) | 0" |
| 1972 | 21°C (69°F) | 9°C (48°F) | -- |
| 1971 | 21°C (69°F) | 18°C (64°F) | -- |