Weather on September 15 in Tokyo
Historical weather data for September 15 in Tokyo, Japan
Based on 55 years of data from TOKYO
About This Date
September 15th in Tokyo, Japan typically brings warm fall weather, with average highs around 27°C and lows near 21°C. Over 55 years of records, the warmest September 15th was in 2012 (29°C average), while the coldest was 1985 (18°C) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 45% of September 15th dates historically, with the wettest September 15th recording 6.1" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for September 15th in Tokyo? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 29°C (84°F) | 27°C (80°F) | -- |
| 2024 | 33°C (91°F) | -- | 0 mm |
| 2023 | 33°C (91°F) | 26°C (79°F) | 15 mm |
| 2022 | 26°C (79°F) | -- | 0 mm |
| 2021 | -- | 19°C (67°F) | 18 mm |
| 2020 | -- | 21°C (70°F) | 1 mm |
| 2019 | 31°C (88°F) | 21°C (69°F) | 0 mm |
| 2018 | 22°C (72°F) | 19°C (66°F) | 19 mm |
| 2017 | 28°C (83°F) | -- | 0 mm |
| 2016 | 27°C (80°F) | 22°C (72°F) | 61 mm |
| 2015 | 28°C (82°F) | 19°C (66°F) | 0 mm |
| 2014 | -- | 22°C (71°F) | 0 mm |
| 2013 | -- | 23°C (74°F) | 155 mm |
| 2012 | 32°C (90°F) | 26°C (79°F) | 0 mm |
| 2011 | 32°C (90°F) | 26°C (78°F) | 0 mm |
| 2010 | 26°C (78°F) | -- | 9 mm |
| 2009 | 24°C (75°F) | -- | 0 mm |
| 2008 | 27°C (80°F) | -- | 0 mm |
| 2007 | 32°C (89°F) | 25°C (77°F) | 0 mm |
| 2006 | 24°C (76°F) | -- | 18 mm |
| 2005 | 28°C (82°F) | 22°C (71°F) | 0 mm |
| 2004 | 26°C (79°F) | -- | 0 mm |
| 2003 | 32°C (90°F) | -- | -- |
| 2002 | 21°C (70°F) | 19°C (66°F) | -- |
| 2001 | 31°C (87°F) | 24°C (76°F) | -- |
| 2000 | 31°C (88°F) | 25°C (77°F) | -- |
| 1999 | 31°C (87°F) | -- | -- |
| 1998 | 28°C (82°F) | 22°C (71°F) | 19 mm |
| 1997 | 19°C (67°F) | -- | 33 mm |
| 1996 | 26°C (78°F) | 19°C (67°F) | -- |
| 1995 | 23°C (73°F) | -- | 36 mm |
| 1994 | 22°C (72°F) | 20°C (68°F) | 56 mm |
| 1993 | 26°C (79°F) | 19°C (67°F) | -- |
| 1992 | 23°C (74°F) | 18°C (65°F) | 3 mm |
| 1991 | 28°C (82°F) | -- | 13 mm |
| 1990 | 28°C (82°F) | -- | 15 mm |
| 1989 | 32°C (89°F) | 26°C (78°F) | 0 mm |
| 1988 | 24°C (75°F) | 18°C (65°F) | 11 mm |
| 1987 | 29°C (85°F) | 21°C (70°F) | 0 mm |
| 1986 | 23°C (74°F) | 20°C (68°F) | 17 mm |
| 1985 | 20°C (68°F) | 17°C (62°F) | 37 mm |
| 1984 | 25°C (77°F) | 19°C (67°F) | 17 mm |
| 1983 | 23°C (73°F) | 19°C (66°F) | 13 mm |
| 1982 | 21°C (70°F) | 18°C (64°F) | 32 mm |
| 1981 | 24°C (75°F) | 17°C (63°F) | 0 mm |
| 1980 | 29°C (85°F) | 21°C (70°F) | 0 mm |
| 1979 | 29°C (85°F) | 22°C (71°F) | 0 mm |
| 1978 | 25°C (77°F) | 19°C (66°F) | 23 mm |
| 1977 | 29°C (85°F) | 22°C (71°F) | 1 mm |
| 1976 | 28°C (82°F) | 22°C (71°F) | 0 mm |
| 1975 | 30°C (86°F) | 21°C (70°F) | 4 mm |
| 1974 | 29°C (85°F) | 21°C (69°F) | 0 mm |
| 1973 | 26°C (78°F) | 18°C (65°F) | 0 mm |
| 1972 | 24°C (75°F) | 19°C (66°F) | 138 mm |
| 1971 | 24°C (76°F) | 18°C (65°F) | 0 mm |