Weather on September 18 in Shanghai
Historical weather data for September 18 in Shanghai, China
Based on 53 years of data from SHANGHAI/HONGQIAO
About This Date
September 18th in Shanghai, China typically brings warm fall weather, with average highs around 28°C and lows near 21°C. Over 53 years of records, the warmest September 18th was in 2005 (31°C average), while the coldest was 2020 (19°C) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 38% of September 18th dates historically, with the wettest September 18th recording 10.13" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for September 18th in Shanghai? 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 | 27°C (80°F) | 24°C (75°F) | -- |
| 2024 | 33°C (92°F) | 26°C (79°F) | 1 mm |
| 2023 | 33°C (92°F) | 23°C (73°F) | 0 mm |
| 2022 | 31°C (87°F) | 24°C (75°F) | 0 mm |
| 2021 | 28°C (83°F) | 19°C (66°F) | -- |
| 2020 | 22°C (71°F) | 17°C (63°F) | 4 mm |
| 2018 | 32°C (89°F) | -- | 10 mm |
| 2017 | -- | 18°C (65°F) | -- |
| 2015 | -- | 18°C (65°F) | 0 mm |
| 2014 | 23°C (74°F) | 20°C (68°F) | 13 mm |
| 2013 | 31°C (87°F) | -- | -- |
| 2012 | 27°C (80°F) | 18°C (65°F) | 0 mm |
| 2011 | 26°C (79°F) | 21°C (69°F) | 2 mm |
| 2010 | 30°C (86°F) | 24°C (76°F) | 0 mm |
| 2009 | 26°C (78°F) | 21°C (70°F) | 21 mm |
| 2008 | 31°C (88°F) | 25°C (77°F) | 1 mm |
| 2007 | 26°C (79°F) | 22°C (71°F) | 257 mm |
| 2006 | 28°C (82°F) | 19°C (66°F) | 0 mm |
| 2005 | 34°C (93°F) | 27°C (80°F) | 0 mm |
| 2004 | 30°C (86°F) | 23°C (74°F) | 6 mm |
| 2003 | 33°C (92°F) | 26°C (78°F) | 0 mm |
| 2002 | 28°C (82°F) | 22°C (72°F) | 0 mm |
| 2001 | 28°C (83°F) | 23°C (73°F) | 0 mm |
| 2000 | 31°C (88°F) | 22°C (71°F) | 0 mm |
| 1999 | 28°C (83°F) | 23°C (73°F) | 8 mm |
| 1998 | 28°C (83°F) | 20°C (68°F) | 0 mm |
| 1997 | 27°C (80°F) | 20°C (68°F) | 0 mm |
| 1996 | 30°C (86°F) | 24°C (76°F) | 0 mm |
| 1995 | 26°C (79°F) | 18°C (64°F) | 0 mm |
| 1994 | 28°C (82°F) | 18°C (65°F) | 0 mm |
| 1993 | 29°C (85°F) | 24°C (75°F) | 2 mm |
| 1992 | 27°C (80°F) | 23°C (73°F) | 0 mm |
| 1991 | 28°C (83°F) | 23°C (73°F) | 1 mm |
| 1990 | 24°C (75°F) | 16°C (61°F) | 0 mm |
| 1989 | 28°C (83°F) | 22°C (72°F) | 0 mm |
| 1988 | 28°C (82°F) | 18°C (65°F) | 0 mm |
| 1987 | 27°C (80°F) | 16°C (60°F) | 0 mm |
| 1986 | 26°C (78°F) | 16°C (60°F) | 0 mm |
| 1985 | 32°C (89°F) | 25°C (77°F) | 2 mm |
| 1984 | 26°C (79°F) | 18°C (65°F) | 0 mm |
| 1983 | 28°C (83°F) | 23°C (74°F) | 1 mm |
| 1982 | 27°C (80°F) | 22°C (72°F) | 9 mm |
| 1981 | 27°C (80°F) | 20°C (68°F) | 0 mm |
| 1980 | 25°C (77°F) | 19°C (66°F) | 0 mm |
| 1979 | 27°C (80°F) | 22°C (72°F) | 0 mm |
| 1978 | 26°C (78°F) | 18°C (65°F) | 8 mm |
| 1977 | 28°C (83°F) | 20°C (68°F) | 0 mm |
| 1976 | 24°C (75°F) | 19°C (66°F) | 0 mm |
| 1975 | 29°C (84°F) | 23°C (74°F) | 0 mm |
| 1974 | 25°C (77°F) | 18°C (65°F) | 3 mm |
| 1973 | 23°C (74°F) | 21°C (69°F) | 3 mm |
| 1972 | 28°C (83°F) | 17°C (62°F) | 0 mm |
| 1971 | 27°C (80°F) | 21°C (69°F) | 0 mm |