Weather on September 18 in Osaka
Historical weather data for September 18 in Osaka, Japan
Avg High29°C (84°F)
Avg Low21°C (70°F)
Warmest200329°C
Coldest198421°C
Based on 54 years of data from OSAKA
About This Date
September 18th in Osaka, Japan typically brings warm fall weather, with average highs around 29°C and lows near 21°C. Over 54 years of records, the warmest September 18th was in 2003 (29°C average), while the coldest was 1984 (21°C) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 37% of September 18th dates historically, with the wettest September 18th recording 7.75" of rain.
Planning for September 18th 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 | 32°C (89°F) | 24°C (76°F) | -- |
| 2024 | -- | 28°C (82°F) | 0" |
| 2023 | -- | 26°C (78°F) | 0.1" |
| 2022 | -- | 24°C (76°F) | 0.36" |
| 2021 | -- | 22°C (72°F) | 4.34" |
| 2020 | 29°C (84°F) | -- | 0.1" |
| 2019 | 31°C (87°F) | -- | 0" |
| 2018 | 29°C (85°F) | -- | -- |
| 2017 | 29°C (84°F) | -- | 7.75" |
| 2016 | 28°C (82°F) | 23°C (74°F) | 0.66" |
| 2015 | 27°C (81°F) | 19°C (66°F) | 0.99" |
| 2014 | 27°C (80°F) | -- | 0" |
| 2013 | -- | 19°C (66°F) | 0" |
| 2012 | 27°C (80°F) | -- | 1.35" |
| 2011 | 33°C (92°F) | 24°C (76°F) | 0.99" |
| 2010 | 32°C (89°F) | 21°C (70°F) | 0" |
| 2009 | 28°C (82°F) | -- | 0" |
| 2008 | 28°C (82°F) | 22°C (72°F) | 0.36" |
| 2007 | 34°C (93°F) | -- | 0" |
| 2006 | 31°C (88°F) | -- | 0" |
| 2004 | 32°C (89°F) | -- | -- |
| 2003 | 33°C (91°F) | 24°C (76°F) | -- |
| 2002 | 28°C (83°F) | -- | -- |
| 2001 | 32°C (89°F) | -- | -- |
| 2000 | 29°C (84°F) | -- | -- |
| 1999 | 33°C (91°F) | 24°C (76°F) | 0" |
| 1998 | -- | 22°C (72°F) | 0" |
| 1997 | 27°C (80°F) | -- | -- |
| 1996 | 30°C (86°F) | 20°C (68°F) | -- |
| 1995 | 26°C (79°F) | 17°C (62°F) | -- |
| 1994 | 29°C (84°F) | 20°C (68°F) | -- |
| 1993 | 30°C (86°F) | -- | 0" |
| 1992 | 29°C (84°F) | 21°C (69°F) | -- |
| 1991 | 29°C (84°F) | -- | 0.61" |
| 1990 | 32°C (89°F) | 22°C (72°F) | 0.61" |
| 1989 | 31°C (88°F) | -- | 0" |
| 1988 | 31°C (88°F) | 22°C (72°F) | -- |
| 1987 | 27°C (80°F) | -- | -- |
| 1986 | 27°C (81°F) | -- | 0.41" |
| 1985 | 29°C (85°F) | 21°C (70°F) | 0.79" |
| 1984 | 22°C (71°F) | 19°C (66°F) | 1.5" |
| 1983 | 29°C (85°F) | 21°C (69°F) | -- |
| 1982 | 27°C (81°F) | 19°C (66°F) | -- |
| 1981 | 29°C (84°F) | 19°C (66°F) | 0" |
| 1980 | 30°C (86°F) | -- | 0.1" |
| 1979 | 30°C (86°F) | 22°C (72°F) | 0" |
| 1978 | 31°C (88°F) | 19°C (66°F) | 0" |
| 1977 | 31°C (88°F) | 18°C (64°F) | 0" |
| 1976 | 26°C (79°F) | -- | 0" |
| 1975 | 31°C (88°F) | -- | 0.41" |
| 1974 | 25°C (77°F) | -- | 0.61" |
| 1973 | 21°C (70°F) | -- | -- |
| 1972 | 26°C (79°F) | 19°C (66°F) | 0.1" |
| 1971 | 24°C (75°F) | 19°C (66°F) | 1.95" |