Weather on September 21 in Valparaíso
Historical weather data for September 21 in Valparaíso, Chile
Avg High21°C (69°F)
Avg Low6°C (43°F)
Warmest200617°C
Coldest19938°C
Based on 47 years of data from QUINTERO
About This Date
September 21st in Valparaíso, Chile typically brings mild fall weather, with average highs around 21°C and lows near 6°C — a 26°F daily swing. Over 47 years of records, the warmest September 21st was in 2006 (17°C average), while the coldest was 1993 (8°C) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 4% of September 21st dates historically.
Planning for September 21st in Valparaíso? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 18°C (65°F) | 8°C (46°F) | -- |
| 2024 | -- | 8°C (46°F) | -- |
| 2023 | -- | 8°C (47°F) | 0" |
| 2022 | -- | 1°C (33°F) | 0" |
| 2021 | -- | 4°C (40°F) | -- |
| 2020 | 27°C (80°F) | 7°C (45°F) | 0" |
| 2019 | -- | 2°C (36°F) | 0" |
| 2018 | -- | 5°C (41°F) | 0" |
| 2017 | -- | 4°C (40°F) | 0" |
| 2015 | 21°C (69°F) | 11°C (51°F) | 0" |
| 2014 | 23°C (74°F) | -- | 0" |
| 2013 | 17°C (63°F) | 7°C (44°F) | 0" |
| 2012 | -- | 3°C (37°F) | 0" |
| 2011 | 28°C (82°F) | 7°C (44°F) | 0" |
| 2009 | 24°C (76°F) | 8°C (46°F) | 0" |
| 2008 | -- | 7°C (44°F) | 0" |
| 2007 | -- | 4°C (40°F) | -- |
| 2006 | 24°C (75°F) | 11°C (51°F) | -- |
| 2005 | 19°C (67°F) | 6°C (42°F) | -- |
| 2004 | 21°C (69°F) | -- | 0" |
| 2002 | -- | 3°C (37°F) | 0" |
| 2001 | 23°C (73°F) | 9°C (48°F) | -- |
| 2000 | -- | 2°C (35°F) | 0.41" |
| 1999 | 23°C (73°F) | -- | -- |
| 1998 | 26°C (79°F) | 4°C (40°F) | 0" |
| 1997 | -- | 12°C (53°F) | 0" |
| 1996 | -- | 5°C (41°F) | 0" |
| 1995 | 22°C (72°F) | 6°C (42°F) | 0" |
| 1994 | -- | 8°C (46°F) | 0" |
| 1993 | 16°C (61°F) | 1°C (34°F) | 0" |
| 1991 | 17°C (62°F) | 10°C (50°F) | 0" |
| 1990 | -- | 1°C (33°F) | 0" |
| 1989 | 17°C (63°F) | 9°C (49°F) | 0" |
| 1988 | 17°C (62°F) | 7°C (45°F) | 0.03" |
| 1986 | -- | 8°C (46°F) | -- |
| 1985 | 21°C (70°F) | -- | 0" |
| 1984 | -- | 0°C (32°F) | 0" |
| 1983 | -- | 4°C (39°F) | -- |
| 1982 | -- | 8°C (47°F) | -- |
| 1981 | -- | 5°C (41°F) | 0" |
| 1980 | -- | 8°C (46°F) | 0" |
| 1979 | -- | 7°C (45°F) | 0" |
| 1978 | -- | 6°C (43°F) | 0" |
| 1977 | -- | 9°C (48°F) | 0" |
| 1976 | 14°C (57°F) | 11°C (52°F) | -- |
| 1975 | 15°C (59°F) | 11°C (52°F) | -- |
| 1973 | 17°C (63°F) | 5°C (41°F) | 0" |