Weather on September 15 in Osaka
Historical weather data for September 15 in Osaka, Japan
Avg High29°C (85°F)
Avg Low22°C (71°F)
Warmest202531°C
Coldest197223°C
Based on 54 years of data from OSAKA
About This Date
September 15th in Osaka, Japan typically brings warm fall weather, with average highs around 29°C and lows near 22°C. Over 54 years of records, the warmest September 15th was in 2025 (31°C average), while the coldest was 1972 (23°C) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 24% of September 15th dates historically, with the wettest September 15th recording 1.6" of rain.
Planning for September 15th in Osaka? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 34°C (94°F) | 27°C (80°F) | -- |
| 2024 | -- | 28°C (82°F) | 0" |
| 2023 | 33°C (91°F) | 27°C (81°F) | 0" |
| 2022 | 33°C (92°F) | -- | 0" |
| 2021 | -- | 21°C (69°F) | 1.19" |
| 2020 | -- | 20°C (68°F) | 0" |
| 2019 | 33°C (92°F) | 23°C (74°F) | 0" |
| 2018 | 28°C (82°F) | 22°C (71°F) | 0.15" |
| 2017 | 27°C (80°F) | 19°C (66°F) | 0" |
| 2016 | 28°C (83°F) | -- | 0.05" |
| 2015 | 29°C (85°F) | 18°C (65°F) | 0" |
| 2014 | -- | 19°C (67°F) | 0" |
| 2013 | 28°C (82°F) | -- | 1.6" |
| 2012 | 33°C (91°F) | -- | 0.2" |
| 2011 | 34°C (94°F) | 24°C (75°F) | 0" |
| 2010 | 29°C (85°F) | -- | 0" |
| 2009 | 22°C (71°F) | -- | 0.36" |
| 2008 | 26°C (78°F) | -- | 0" |
| 2007 | 33°C (92°F) | 25°C (77°F) | 0" |
| 2006 | 29°C (84°F) | 21°C (69°F) | 0" |
| 2004 | 33°C (92°F) | 23°C (73°F) | 0" |
| 2003 | 31°C (87°F) | -- | -- |
| 2002 | 28°C (82°F) | -- | -- |
| 2001 | 31°C (87°F) | -- | 0.58" |
| 2000 | 34°C (93°F) | -- | 0.58" |
| 1999 | 28°C (82°F) | -- | -- |
| 1998 | 34°C (93°F) | -- | -- |
| 1997 | 25°C (77°F) | 21°C (70°F) | 0" |
| 1996 | 30°C (86°F) | 19°C (66°F) | -- |
| 1995 | 29°C (84°F) | 19°C (67°F) | -- |
| 1994 | 31°C (87°F) | -- | -- |
| 1993 | 29°C (85°F) | 18°C (65°F) | -- |
| 1992 | 31°C (87°F) | 21°C (70°F) | -- |
| 1991 | 26°C (79°F) | -- | -- |
| 1990 | 28°C (83°F) | -- | 0.61" |
| 1989 | 32°C (90°F) | 26°C (79°F) | -- |
| 1988 | 31°C (87°F) | 22°C (72°F) | -- |
| 1987 | 32°C (89°F) | 22°C (72°F) | -- |
| 1986 | 23°C (73°F) | -- | 0.71" |
| 1985 | 29°C (84°F) | 19°C (66°F) | -- |
| 1984 | 26°C (78°F) | 20°C (68°F) | 0.76" |
| 1983 | 30°C (86°F) | -- | 0" |
| 1982 | 30°C (86°F) | 21°C (69°F) | -- |
| 1981 | 26°C (79°F) | -- | 0" |
| 1980 | 30°C (86°F) | 19°C (66°F) | 0" |
| 1979 | 28°C (82°F) | -- | 0" |
| 1978 | 30°C (86°F) | 24°C (75°F) | 0" |
| 1977 | 28°C (82°F) | -- | 0.2" |
| 1976 | 29°C (84°F) | -- | 0" |
| 1975 | 33°C (91°F) | 23°C (73°F) | 0" |
| 1974 | 26°C (79°F) | -- | -- |
| 1973 | 27°C (81°F) | 19°C (66°F) | 0" |
| 1972 | 25°C (77°F) | 21°C (69°F) | 1.15" |
| 1971 | 27°C (81°F) | 19°C (67°F) | 0" |