Gangneung Weather in September
Average highs run from 28°C on September 1 to 23°C on September 30, and lows from to 14°C. Normal precipitation for the month is 189 mm over about 12 wet days.
September day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 25°C
- Precipitation
- 189 mm
- Record high
- 36°CSep 1, 1997
- Record low
- 3°CSep 21, 2002
- Daylight
- 13 h 00 min to 11 h 51 min
- Cloud cover
- 62%
- Humidity
- 79%
- Dew point
- 16°C
- Wind
- 13.3 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 28°C | 36°C 1997 | 16°C 2009 | 49% | |
| Sep 2 | 27°C | 35°C 2000 | 14°C 1996 | 48% | |
| Sep 3 | 26°C | 34°C 1975 | 15°C 2017 | 47% | |
| Sep 4 | 27°C | 34°C 1994 | 14°C 1987 | 46% | |
| Sep 5 | 27°C | 32°C 1994 | 14°C 1993 | 46% | |
| Sep 6 | 27°C | 34°C 1998 | 14°C 2007 | 45% | |
| Sep 7 | 25°C | 32°C 1998 | 14°C 1981 | 44% | |
| Sep 8 | 26°C | 33°C 1999 | 13°C 2002 | 43% | |
| Sep 9 | 25°C | 34°C 1997 | 13°C 2026 | 44% | |
| Sep 10 | 25°C | 33°C 1998 | 14°C 1974 | 43% | |
| Sep 11 | 25°C | 32°C 1999 | 12°C 2006 | 41% | |
| Sep 12 | 25°C | 31°C 2005 | 14°C 1982 | 42% | |
| Sep 13 | 25°C | 29°C 2013 | 13°C 1974 | 42% | |
| Sep 14 | 25°C | 32°C 1998 | 12°C 1981 | 41% | |
| Sep 15 | 25°C | 31°C 2025 | 13°C 1981 | 41% | |
| Sep 16 | 25°C | 31°C 2025 | 12°C 1976 | 41% | |
| Sep 17 | 25°C | 31°C 2001 | 11°C 1995 | 41% | |
| Sep 18 | 25°C | 30°C 2008 | 8°C 2003 | 40% | |
| Sep 19 | 25°C | 32°C 2007 | 10°C 1987 | 39% | |
| Sep 20 | 25°C | 31°C 1987 | 12°C 1995 | 38% | |
| Sep 21 | 24°C | 32°C 2007 | 3°C 2002 | 36% | |
| Sep 22 | 22°C | 31°C 1981 | 9°C 2001 | 36% | |
| Sep 23 | 23°C | 14°C | 29°C 1984 | 10°C 2001 | 35% |
| Sep 24 | 24°C | 30°C 1978 | 11°C 1997 | 34% | |
| Sep 25 | 23°C | 30°C 1996 | 12°C 1977 | 32% | |
| Sep 26 | 24°C | 29°C 1977 | 11°C 1982 | 33% | |
| Sep 27 | 24°C | 29°C 1999 | 9°C 1987 | 32% | |
| Sep 28 | 23°C | 27°C 1974 | 10°C 1973 | 32% | |
| Sep 29 | 22°C | 28°C 1977 | 9°C 1981 | 30% | |
| Sep 30 | 23°C | 14°C | 29°C 1978 | 10°C 1987 | 31% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- September 1
- sunrise 5:54 AM, sunset 6:54 PM
- September 30
- sunrise 6:19 AM, sunset 6:10 PM
Other months
Sources
Records: NOAA GHCN-Daily, station KSM00047105, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.