Weather on September 20 in Hanoi
Historical weather data for September 20 in Hanoi, Vietnam
Avg High32°C (90°F)
Avg Low25°C (77°F)
Warmest201032°C
Coldest198426°C
Based on 48 years of data from HA DONG
About This Date
September 20th in Hanoi, Vietnam typically brings hot fall weather, with average highs around 32°C and lows near 25°C. Over 48 years of records, the warmest September 20th was in 2010 (32°C average), while the coldest was 1984 (26°C) — a 11°F range across recorded history. Rain or other precipitation has occurred on about 29% of September 20th dates historically, with the wettest September 20th recording 5.69" of rain.
Planning for September 20th in Hanoi? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 35°C (95°F) | 27°C (81°F) | -- |
| 2024 | 36°C (96°F) | -- | 5.69" |
| 2023 | 34°C (94°F) | 27°C (81°F) | 0" |
| 2022 | 35°C (95°F) | 24°C (76°F) | 2.62" |
| 2021 | 30°C (86°F) | -- | 1.6" |
| 2020 | -- | 24°C (75°F) | 0.25" |
| 2019 | -- | 26°C (78°F) | 0.03" |
| 2018 | -- | 26°C (78°F) | 0" |
| 2017 | -- | 28°C (82°F) | 0" |
| 2016 | -- | 26°C (78°F) | 0.3" |
| 2015 | -- | 27°C (80°F) | 0" |
| 2014 | 33°C (91°F) | -- | 1.98" |
| 2013 | 30°C (86°F) | 24°C (75°F) | 3.2" |
| 2012 | 28°C (83°F) | 23°C (73°F) | 4.09" |
| 2011 | 31°C (87°F) | -- | 3.73" |
| 2010 | 36°C (96°F) | 27°C (81°F) | 0" |
| 2009 | 37°C (98°F) | -- | 0" |
| 2008 | 32°C (89°F) | 24°C (76°F) | 0" |
| 2007 | 32°C (89°F) | -- | 0" |
| 2006 | 31°C (87°F) | 23°C (73°F) | 0" |
| 2005 | 31°C (88°F) | 24°C (75°F) | 1.24" |
| 2004 | 30°C (86°F) | -- | 0.84" |
| 2003 | 35°C (95°F) | -- | 0" |
| 2002 | 33°C (91°F) | -- | 0.69" |
| 2001 | 34°C (93°F) | -- | -- |
| 2000 | 30°C (86°F) | -- | 0" |
| 1999 | 33°C (91°F) | 24°C (76°F) | -- |
| 1998 | 33°C (92°F) | -- | 0" |
| 1997 | 28°C (83°F) | -- | 0" |
| 1996 | 31°C (88°F) | -- | 0" |
| 1995 | 29°C (85°F) | -- | 0" |
| 1994 | 33°C (92°F) | -- | 0" |
| 1993 | 30°C (86°F) | -- | 1.5" |
| 1992 | 30°C (86°F) | -- | -- |
| 1991 | 34°C (94°F) | -- | 0" |
| 1990 | -- | 24°C (75°F) | -- |
| 1989 | -- | 27°C (80°F) | 0" |
| 1988 | 32°C (90°F) | -- | 0" |
| 1987 | 31°C (87°F) | 24°C (75°F) | -- |
| 1986 | 32°C (90°F) | -- | 0" |
| 1985 | 32°C (89°F) | 25°C (77°F) | -- |
| 1984 | 28°C (82°F) | 23°C (74°F) | -- |
| 1983 | 32°C (89°F) | 26°C (78°F) | 0" |
| 1982 | 33°C (92°F) | -- | -- |
| 1978 | 32°C (90°F) | 23°C (73°F) | -- |
| 1977 | -- | 25°C (77°F) | -- |
| 1976 | 32°C (90°F) | -- | -- |
| 1975 | 31°C (88°F) | -- | -- |