Cheongju-si Weather in September
Average highs run from 30°C on September 1 to 24°C on September 30, and lows from to . Normal precipitation for the month is 138 mm over about 9 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
- 26°C
- Precipitation
- 138 mm
- Record high
- 33°CSep 12, 1998
- Record low
- 1°CSep 21, 2005
- Daylight
- 12 h 58 min to 11 h 52 min
- Cloud cover
- 63%
- Humidity
- 82%
- Dew point
- 16°C
- Wind
- 11.2 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 | 30°C | 33°C 1994 | 16°C 2009 | 47% | |
| Sep 2 | 29°C | 32°C 1990 | 16°C 1987 | 47% | |
| Sep 3 | 29°C | 33°C 2010 | 16°C 2017 | 46% | |
| Sep 4 | 29°C | 33°C 1994 | 15°C 2013 | 45% | |
| Sep 5 | 29°C | 32°C 2010 | 14°C 1995 | 44% | |
| Sep 6 | 27°C | 31°C 1997 | 15°C 2012 | 42% | |
| Sep 7 | 28°C | 32°C 2001 | 14°C 1982 | 40% | |
| Sep 8 | 28°C | 32°C 2001 | 14°C 2022 | 38% | |
| Sep 9 | 27°C | 33°C 1998 | 14°C 1976 | 37% | |
| Sep 10 | 28°C | 33°C 1998 | 13°C 1979 | 36% | |
| Sep 11 | 27°C | 31°C 2005 | 11°C 2006 | 35% | |
| Sep 12 | 26°C | 33°C 1998 | 11°C 1982 | 35% | |
| Sep 13 | 26°C | 32°C 1998 | 10°C 1981 | 34% | |
| Sep 14 | 27°C | 31°C 1998 | 9°C 1981 | 33% | |
| Sep 15 | 27°C | 31°C 2011 | 8°C 1981 | 31% | |
| Sep 16 | 26°C | 31°C 2022 | 9°C 1981 | 31% | |
| Sep 17 | 27°C | 31°C 2011 | 11°C 1976 | 31% | |
| Sep 18 | 27°C | 31°C 2008 | 10°C 1987 | 28% | |
| Sep 19 | 27°C | 31°C 1999 | 8°C 1974 | 26% | |
| Sep 20 | 26°C | 32°C 2007 | 8°C 1974 | 26% | |
| Sep 21 | 25°C | 30°C 2010 | 1°C 2005 | 26% | |
| Sep 22 | 25°C | 31°C 2015 | 3°C 2005 | 26% | |
| Sep 23 | 25°C | 30°C 1981 | 6°C 1980 | 26% | |
| Sep 24 | 25°C | 29°C 1996 | 9°C 1980 | 26% | |
| Sep 25 | 25°C | 29°C 2024 | 9°C 1986 | 26% | |
| Sep 26 | 25°C | 29°C 2009 | 7°C 1984 | 25% | |
| Sep 27 | 25°C | 30°C 2015 | 4°C 1987 | 25% | |
| Sep 28 | 24°C | 31°C 2015 | 6°C 1973 | 23% | |
| Sep 29 | 24°C | 30°C 2015 | 9°C 1991 | 23% | |
| Sep 30 | 24°C | 28°C 1977 | 1°C 2001 | 22% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- September 1
- sunrise 6:01 AM, sunset 6:59 PM
- September 30
- sunrise 6:24 AM, sunset 6:16 PM
Other months
Sources
Records: NOAA GHCN-Daily, station KSM00047133, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.