Weather on September 15 in Santiago
Historical weather data for September 15 in Santiago, Chile
Avg High19°C (67°F)
Avg Low5°C (41°F)
Warmest199317°C
Coldest20139°C
Based on 49 years of data from QUINTA NORMAL
About This Date
September 15th in Santiago, Chile typically brings mild fall weather, with average highs around 19°C and lows near 5°C — a 26°F daily swing. Over 49 years of records, the warmest September 15th was in 1993 (17°C average), while the coldest was 2013 (9°C) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 10% of September 15th dates historically, with the wettest September 15th recording 1.91" of rain.
Planning for September 15th in Santiago? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 21°C (69°F) | 9°C (49°F) | -- |
| 2024 | -- | 5°C (41°F) | 0" |
| 2023 | -- | 10°C (50°F) | -- |
| 2022 | 24°C (76°F) | 6°C (42°F) | 0" |
| 2021 | -- | 2°C (36°F) | 0" |
| 2020 | -- | 6°C (42°F) | 0" |
| 2019 | 17°C (63°F) | 7°C (44°F) | 0" |
| 2018 | 17°C (62°F) | 9°C (48°F) | 0" |
| 2017 | -- | 3°C (38°F) | 0" |
| 2015 | 18°C (65°F) | 10°C (50°F) | 0" |
| 2014 | -- | 7°C (44°F) | 0" |
| 2013 | 14°C (57°F) | 6°C (42°F) | 0" |
| 2012 | -- | 10°C (50°F) | 0.03" |
| 2011 | -- | 9°C (49°F) | 0" |
| 2009 | 17°C (62°F) | 8°C (47°F) | 0" |
| 2008 | -- | 7°C (44°F) | 0" |
| 2007 | 17°C (62°F) | 6°C (43°F) | 0" |
| 2006 | -- | 3°C (38°F) | -- |
| 2004 | -- | 5°C (41°F) | 0" |
| 2003 | -- | 6°C (42°F) | -- |
| 2002 | -- | 2°C (35°F) | 0" |
| 2001 | -- | 4°C (39°F) | -- |
| 2000 | -- | 7°C (44°F) | 0.08" |
| 1999 | -- | 2°C (36°F) | -- |
| 1998 | -- | 6°C (42°F) | 0" |
| 1997 | -- | 5°C (41°F) | 0" |
| 1996 | -- | 1°C (33°F) | 0" |
| 1995 | 23°C (74°F) | 3°C (38°F) | 0" |
| 1994 | 18°C (64°F) | 3°C (38°F) | 0" |
| 1993 | 27°C (80°F) | 8°C (47°F) | 0" |
| 1992 | 20°C (68°F) | 6°C (43°F) | 0" |
| 1991 | -- | 9°C (49°F) | 0" |
| 1990 | -- | 5°C (41°F) | -- |
| 1989 | -- | 2°C (35°F) | 0" |
| 1988 | 21°C (70°F) | 2°C (36°F) | 0" |
| 1987 | -- | 3°C (37°F) | 0.1" |
| 1986 | -- | 5°C (41°F) | 0" |
| 1984 | -- | 7°C (45°F) | 0" |
| 1983 | -- | 8°C (47°F) | 0" |
| 1982 | 13°C (55°F) | -- | 1.91" |
| 1981 | -- | 0°C (32°F) | 0" |
| 1980 | -- | -2°C (28°F) | 0" |
| 1979 | -- | 1°C (34°F) | 0.61" |
| 1978 | -- | 5°C (41°F) | 0" |
| 1977 | -- | 5°C (41°F) | 0" |
| 1976 | 24°C (75°F) | 2°C (36°F) | -- |
| 1975 | 25°C (77°F) | -1°C (30°F) | -- |
| 1974 | -- | 2°C (36°F) | 0" |
| 1973 | -- | 6°C (43°F) | 0" |