Weather on September 18 in Hanoi
Historical weather data for September 18 in Hanoi, Vietnam
Avg High32°C (90°F)
Avg Low25°C (77°F)
Warmest200830°C
Coldest199527°C
Based on 45 years of data from HA DONG
About This Date
September 18th in Hanoi, Vietnam typically brings hot fall weather, with average highs around 32°C and lows near 25°C. Over 45 years of records, the warmest September 18th was in 2008 (30°C average), while the coldest was 1995 (27°C) — a 5°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 18th dates historically, with the wettest September 18th recording 7.44" of rain.
Planning for September 18th in Hanoi? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 33°C (91°F) | 27°C (80°F) | -- |
| 2024 | -- | 27°C (80°F) | 0.2" |
| 2023 | 33°C (91°F) | 24°C (76°F) | 0.25" |
| 2022 | -- | 25°C (77°F) | 0" |
| 2021 | -- | 24°C (76°F) | 0.33" |
| 2020 | 31°C (87°F) | -- | 0.28" |
| 2019 | 33°C (92°F) | -- | -- |
| 2018 | 29°C (84°F) | -- | 2.21" |
| 2017 | -- | 26°C (78°F) | -- |
| 2016 | 33°C (92°F) | 26°C (79°F) | 0" |
| 2015 | -- | 23°C (74°F) | 6.02" |
| 2014 | 32°C (89°F) | -- | 2.31" |
| 2013 | 34°C (94°F) | 26°C (79°F) | 0" |
| 2012 | 32°C (89°F) | 26°C (78°F) | 0" |
| 2011 | 32°C (89°F) | 26°C (79°F) | 2.77" |
| 2010 | 34°C (94°F) | -- | 0" |
| 2009 | 35°C (95°F) | -- | 0" |
| 2008 | 34°C (93°F) | 26°C (78°F) | 0" |
| 2007 | 32°C (89°F) | -- | 7.44" |
| 2006 | 32°C (90°F) | -- | 0" |
| 2005 | 28°C (83°F) | -- | 2.51" |
| 2004 | 33°C (91°F) | 23°C (73°F) | 1.27" |
| 2003 | 34°C (94°F) | -- | 0" |
| 2002 | 25°C (77°F) | -- | 3.25" |
| 2001 | 36°C (96°F) | -- | 0" |
| 2000 | 32°C (90°F) | -- | 0" |
| 1999 | 34°C (93°F) | -- | -- |
| 1998 | 34°C (93°F) | -- | 0" |
| 1997 | 32°C (90°F) | 26°C (78°F) | 0" |
| 1996 | 33°C (92°F) | -- | 0" |
| 1995 | 31°C (87°F) | 24°C (75°F) | 0" |
| 1994 | 31°C (88°F) | 25°C (77°F) | 0" |
| 1993 | 29°C (84°F) | -- | -- |
| 1991 | 33°C (92°F) | 25°C (77°F) | 0" |
| 1990 | -- | 24°C (76°F) | -- |
| 1988 | 32°C (89°F) | -- | -- |
| 1987 | -- | 23°C (74°F) | -- |
| 1986 | 32°C (90°F) | 27°C (80°F) | -- |
| 1985 | 32°C (89°F) | -- | 0" |
| 1983 | 32°C (89°F) | -- | 0" |
| 1982 | 32°C (89°F) | -- | 0" |
| 1978 | 31°C (88°F) | -- | -- |
| 1977 | 33°C (91°F) | 25°C (77°F) | -- |
| 1976 | 32°C (90°F) | 24°C (75°F) | -- |
| 1975 | 32°C (90°F) | 25°C (77°F) | -- |