Weather on September 20 in Osaka
Historical weather data for September 20 in Osaka, Japan
Avg High28°C (82°F)
Avg Low21°C (69°F)
Warmest199829°C
Coldest197419°C
Based on 54 years of data from OSAKA
About This Date
September 20th in Osaka, Japan typically brings warm fall weather, with average highs around 28°C and lows near 21°C. Over 54 years of records, the warmest September 20th was in 1998 (29°C average), while the coldest was 1974 (19°C) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 20th dates historically, with the wettest September 20th recording 7.9" of rain.
Planning for September 20th in Osaka? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 31°C (87°F) | 26°C (79°F) | -- |
| 2024 | -- | 28°C (83°F) | 0" |
| 2023 | -- | 27°C (80°F) | 0" |
| 2022 | 24°C (76°F) | -- | 1.91" |
| 2021 | 29°C (85°F) | 23°C (74°F) | 0" |
| 2020 | 26°C (79°F) | -- | 0" |
| 2019 | 27°C (81°F) | 17°C (62°F) | 0" |
| 2018 | 21°C (70°F) | -- | 0" |
| 2017 | 27°C (80°F) | -- | 0" |
| 2016 | 22°C (72°F) | -- | 1.3" |
| 2015 | 28°C (83°F) | 18°C (65°F) | 0" |
| 2014 | 23°C (74°F) | -- | 0" |
| 2013 | -- | 21°C (69°F) | 0" |
| 2012 | 28°C (83°F) | -- | 0" |
| 2011 | 26°C (78°F) | -- | 7.9" |
| 2010 | 30°C (86°F) | 24°C (75°F) | 0" |
| 2009 | 28°C (83°F) | -- | 0" |
| 2008 | 32°C (89°F) | 23°C (74°F) | 0.25" |
| 2007 | 34°C (93°F) | -- | 0" |
| 2006 | 29°C (84°F) | 19°C (66°F) | 0" |
| 2004 | 32°C (89°F) | 24°C (76°F) | 0" |
| 2003 | 24°C (76°F) | -- | 1.4" |
| 2002 | 30°C (86°F) | 21°C (69°F) | -- |
| 2001 | 32°C (89°F) | -- | -- |
| 2000 | 32°C (89°F) | 20°C (68°F) | -- |
| 1999 | 32°C (89°F) | 26°C (78°F) | 0.41" |
| 1998 | 33°C (92°F) | 24°C (76°F) | -- |
| 1997 | 28°C (82°F) | 18°C (65°F) | -- |
| 1996 | 28°C (83°F) | -- | -- |
| 1995 | 27°C (80°F) | 17°C (62°F) | -- |
| 1994 | 29°C (84°F) | 20°C (68°F) | -- |
| 1993 | 27°C (80°F) | -- | -- |
| 1992 | 27°C (80°F) | -- | -- |
| 1991 | 29°C (84°F) | -- | -- |
| 1990 | 26°C (78°F) | -- | 1.4" |
| 1989 | 27°C (81°F) | -- | -- |
| 1988 | 30°C (86°F) | -- | 0.36" |
| 1987 | 28°C (83°F) | -- | -- |
| 1986 | 29°C (85°F) | 19°C (66°F) | 0.81" |
| 1985 | 30°C (86°F) | -- | 0" |
| 1984 | 26°C (79°F) | -- | 0.2" |
| 1983 | 24°C (75°F) | 20°C (68°F) | 2.39" |
| 1982 | 28°C (83°F) | 19°C (66°F) | 0.1" |
| 1981 | 26°C (79°F) | 18°C (64°F) | 4.6" |
| 1980 | 26°C (79°F) | -- | 2.01" |
| 1979 | 31°C (88°F) | 17°C (63°F) | 0" |
| 1978 | 29°C (84°F) | -- | 1.09" |
| 1977 | 30°C (86°F) | -- | 0" |
| 1976 | 24°C (75°F) | -- | 1.4" |
| 1975 | 31°C (87°F) | 22°C (71°F) | 0" |
| 1974 | 25°C (77°F) | 14°C (57°F) | 0" |
| 1973 | 23°C (73°F) | 20°C (68°F) | 0.51" |
| 1972 | 25°C (77°F) | 16°C (60°F) | 0" |
| 1971 | 27°C (81°F) | 21°C (70°F) | 0" |