Weather on September 15 in Seoul
Historical weather data for September 15 in Seoul, South Korea
Based on 55 years of data from SEOUL CITY
About This Date
September 15th in Seoul, South Korea typically brings warm fall weather, with average highs around 27°C and lows near 18°C. Over 55 years of records, the warmest September 15th was in 2011 (26°C average), while the coldest was 1985 (17°C) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 16% of September 15th dates historically, with the wettest September 15th recording 2" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for September 15th in Seoul? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 26°C (78°F) | 17°C (62°F) | -- |
| 2025 | 29°C (84°F) | 23°C (74°F) | -- |
| 2024 | -- | 25°C (77°F) | -- |
| 2023 | -- | 21°C (69°F) | 1 mm |
| 2022 | 28°C (83°F) | 22°C (72°F) | -- |
| 2020 | -- | 19°C (66°F) | -- |
| 2019 | -- | 19°C (67°F) | 0 mm |
| 2018 | 26°C (79°F) | 21°C (70°F) | 1 mm |
| 2017 | -- | 18°C (65°F) | -- |
| 2016 | 29°C (85°F) | 19°C (66°F) | -- |
| 2015 | 29°C (84°F) | -- | -- |
| 2014 | 28°C (82°F) | -- | -- |
| 2013 | 28°C (83°F) | -- | -- |
| 2012 | 26°C (78°F) | 17°C (63°F) | -- |
| 2011 | 31°C (88°F) | 21°C (70°F) | -- |
| 2010 | 31°C (87°F) | 19°C (67°F) | -- |
| 2009 | 25°C (77°F) | 17°C (62°F) | -- |
| 2008 | 30°C (86°F) | -- | -- |
| 2007 | 23°C (74°F) | 18°C (65°F) | 30 mm |
| 2006 | 24°C (76°F) | 18°C (64°F) | -- |
| 2005 | 27°C (80°F) | 17°C (62°F) | 0 mm |
| 2004 | 28°C (83°F) | 19°C (67°F) | 3 mm |
| 2003 | 28°C (82°F) | -- | -- |
| 2002 | 21°C (69°F) | -- | -- |
| 2001 | 31°C (87°F) | 17°C (63°F) | -- |
| 2000 | 18°C (65°F) | -- | 51 mm |
| 1999 | 29°C (85°F) | 19°C (66°F) | 0 mm |
| 1998 | 26°C (79°F) | -- | 3 mm |
| 1997 | 24°C (76°F) | 16°C (60°F) | -- |
| 1996 | 30°C (86°F) | 19°C (66°F) | -- |
| 1995 | 24°C (76°F) | -- | -- |
| 1994 | 27°C (80°F) | -- | -- |
| 1993 | 28°C (83°F) | 18°C (64°F) | -- |
| 1992 | 28°C (82°F) | 17°C (63°F) | -- |
| 1991 | 27°C (81°F) | 17°C (63°F) | -- |
| 1990 | 26°C (78°F) | -- | -- |
| 1989 | -- | 18°C (65°F) | 6 mm |
| 1988 | 26°C (78°F) | -- | -- |
| 1987 | 28°C (82°F) | -- | -- |
| 1986 | 26°C (78°F) | 16°C (61°F) | -- |
| 1985 | 18°C (64°F) | 16°C (61°F) | 20 mm |
| 1984 | 28°C (82°F) | -- | -- |
| 1983 | 27°C (80°F) | 18°C (65°F) | -- |
| 1982 | 28°C (83°F) | -- | -- |
| 1981 | 23°C (73°F) | 12°C (54°F) | -- |
| 1980 | 28°C (82°F) | 17°C (63°F) | -- |
| 1979 | 28°C (82°F) | 18°C (64°F) | -- |
| 1978 | 30°C (86°F) | 19°C (66°F) | 0 mm |
| 1977 | 28°C (82°F) | 17°C (63°F) | 0 mm |
| 1976 | 24°C (75°F) | 13°C (55°F) | 0 mm |
| 1975 | 20°C (68°F) | -- | -- |
| 1974 | 24°C (75°F) | 14°C (57°F) | 0 mm |
| 1973 | 27°C (81°F) | 17°C (63°F) | 0 mm |
| 1972 | 25°C (77°F) | 17°C (63°F) | 0 mm |
| 1971 | 26°C (78°F) | 17°C (63°F) | 0 mm |