Hongwŏn climate

Hongwŏn Weather in September

NASA POWER reanalysis for the half-degree grid cell around Hongwŏn, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 24°C on September 1 to 20°C on September 30, and lows from 19°C to 13°C. Normal precipitation for the month is 99 mm over about 9 wet days.

September day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Hongwŏn, in °C, with the record for each date.5101520253035151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
22°C
Average low
16°C
Precipitation
99 mm
Reanalysis high
31°CSep 8, 1999
Reanalysis low
7°CSep 27, 1992
Daylight
13 h 05 min to 11 h 50 min
Cloud cover
61%
Humidity
75%
Dew point
14°C
Wind
11.9 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Sep 124°C19°C28°C 200016°C 200441%
Sep 224°C18°C29°C 199515°C 200939%
Sep 324°C18°C27°C 199916°C 201338%
Sep 424°C18°C28°C 199414°C 201337%
Sep 523°C18°C27°C 199412°C 200635%
Sep 623°C18°C26°C 199913°C 200235%
Sep 723°C18°C26°C 200514°C 200233%
Sep 823°C17°C31°C 199913°C 200932%
Sep 923°C17°C30°C 199913°C 200631%
Sep 1023°C17°C27°C 199811°C 200629%
Sep 1123°C17°C30°C 199911°C 199529%
Sep 1223°C17°C28°C 200512°C 199530%
Sep 1322°C17°C29°C 199913°C 201529%
Sep 1422°C16°C25°C 199814°C 199529%
Sep 1522°C16°C25°C 201013°C 199528%
Sep 1622°C16°C27°C 200812°C 199528%
Sep 1722°C16°C25°C 200512°C 199528%
Sep 1822°C16°C27°C 200810°C 200028%
Sep 1922°C15°C27°C 200610°C 199726%
Sep 2021°C15°C24°C 199311°C 201126%
Sep 2121°C15°C25°C 20089°C 199724%
Sep 2221°C15°C24°C 200810°C 200124%
Sep 2321°C15°C24°C 199610°C 201024%
Sep 2421°C15°C25°C 199610°C 199324%
Sep 2521°C14°C25°C 201611°C 199424%
Sep 2620°C14°C26°C 19988°C 199224%
Sep 2720°C14°C25°C 19997°C 199223%
Sep 2820°C14°C24°C 20199°C 201022%
Sep 2920°C13°C25°C 20198°C 201021%
Sep 3020°C13°C24°C 20199°C 199321%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Hongwŏn, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+9).

September 1
sunrise 5:55 AM, sunset 7:00 PM
September 30
sunrise 6:23 AM, sunset 6:13 PM

Every day of September: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.