Weather on September 23 in Hanoi
Historical weather data for September 23 in Hanoi, Vietnam
Avg High32°C (89°F)
Avg Low24°C (76°F)
Warmest202531°C
Coldest198626°C
Based on 47 years of data from HA DONG
About This Date
September 23rd in Hanoi, Vietnam typically brings warm fall weather, with average highs around 32°C and lows near 24°C. Over 47 years of records, the warmest September 23rd was in 2025 (31°C average), while the coldest was 1986 (26°C) — a 9°F range across recorded history. Rain or other precipitation has occurred on about 17% of September 23rd dates historically, with the wettest September 23rd recording 1.6" of rain.
Planning for September 23rd in Hanoi? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 33°C (92°F) | 27°C (81°F) | -- |
| 2024 | -- | 23°C (73°F) | 1.6" |
| 2023 | 35°C (95°F) | -- | 0" |
| 2022 | -- | 21°C (70°F) | 0.43" |
| 2021 | -- | 25°C (77°F) | 0.03" |
| 2020 | -- | 25°C (77°F) | 0.81" |
| 2019 | -- | 23°C (73°F) | 0" |
| 2018 | 34°C (93°F) | 26°C (79°F) | 0" |
| 2017 | -- | 27°C (80°F) | 0" |
| 2016 | -- | 26°C (78°F) | -- |
| 2015 | -- | 25°C (77°F) | 0" |
| 2014 | 32°C (90°F) | 24°C (75°F) | 0" |
| 2013 | 31°C (88°F) | -- | 0.03" |
| 2012 | 34°C (93°F) | 26°C (79°F) | 0" |
| 2011 | 31°C (88°F) | -- | 0" |
| 2010 | 26°C (79°F) | -- | 1.4" |
| 2009 | -- | 24°C (75°F) | 0" |
| 2008 | 36°C (97°F) | -- | 0" |
| 2007 | 33°C (91°F) | -- | 0" |
| 2006 | 33°C (92°F) | -- | 0" |
| 2005 | 34°C (94°F) | -- | 0" |
| 2004 | 33°C (92°F) | -- | 0" |
| 2003 | 31°C (87°F) | -- | 0" |
| 2002 | -- | 23°C (73°F) | 0" |
| 2001 | 31°C (87°F) | -- | 0" |
| 2000 | 33°C (92°F) | -- | 0.15" |
| 1999 | 32°C (90°F) | -- | -- |
| 1998 | 33°C (92°F) | -- | 0" |
| 1997 | 28°C (83°F) | -- | 0" |
| 1996 | 26°C (78°F) | -- | 1.5" |
| 1995 | 33°C (91°F) | -- | 0" |
| 1994 | -- | 25°C (77°F) | -- |
| 1993 | 32°C (90°F) | -- | 0" |
| 1992 | 33°C (91°F) | -- | -- |
| 1991 | 32°C (90°F) | 26°C (79°F) | 0" |
| 1990 | 29°C (84°F) | -- | 0" |
| 1988 | 32°C (89°F) | 26°C (78°F) | 0" |
| 1987 | 32°C (89°F) | 24°C (76°F) | 0" |
| 1986 | 30°C (86°F) | 22°C (71°F) | 0" |
| 1985 | 28°C (83°F) | 25°C (77°F) | 0" |
| 1984 | -- | 24°C (75°F) | 0" |
| 1983 | -- | 27°C (80°F) | 0" |
| 1982 | 30°C (86°F) | 22°C (71°F) | -- |
| 1978 | 28°C (82°F) | -- | -- |
| 1977 | 31°C (88°F) | 22°C (72°F) | -- |
| 1976 | 29°C (84°F) | -- | -- |
| 1975 | 33°C (91°F) | 24°C (75°F) | -- |