Climate averages 1991–2020

P’yŏngsŏng weather
in September.

A warm, wet month: the 4th warmest and the 8th driest of the year. Meets the pleasant-weather rule

Long-term climate patterns, not a forecast for a particular trip.

Average high 24.0°C Daytime mean, September
Average low 15.0°C Night-time mean, September
Rainfall 100 mm 7 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in P’yŏngsŏng · average highYear overview

September is a warm month in P’yŏngsŏng: daytime highs average 24.0°C and nights cool to about 15.0°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 100 mm of rain on roughly 7 days, which makes September a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 29 min on an average September day.

The nearest other city in this atlas is Sunch’ŏn (21 km away). In September its highs average 23.9°C, about as warm as P’yŏngsŏng, with 110 mm of rain.

Among the 38 cities listed in North Korea, P’yŏngsŏng ranks 18th of 38 for the warmest September highs and 20th of 38 for the driest September (rainfall, lowest first). The mean September high of those 38 cities is 23.2°C; P’yŏngsŏng is 0.8°C warmer than that mean.

From September to October, average highs fall by 6.7°C to 17.4°C, and monthly rainfall falls from 100 mm to 49 mm.

The annual picture

September in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -15-10-505101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 3000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

P’yŏngsŏng climate table

1991–2020
Monthly climate averages for P’yŏngsŏng, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -0.9°C-10.2°C-10.2°C133.09.710 h
February 3.0°C-6.7°C-6.7°C223.810.711 h
March 9.0°C-2.0°C-2.0°C295.011.912 h
April 16.1°C3.9°C3.9°C576.713.213 h
May 21.9°C10.4°C10.4°C1018.214.314 h
June 26.2°C16.3°C16.3°C11710.314.915 h
July 27.8°C20.6°C20.6°C29416.414.615 h
August 28.0°C20.8°C20.8°C24414.013.714 h
September, selected 24.0°C15.0°C15.0°C1006.912.512 h
October 17.4°C7.3°C7.3°C496.211.211 h
November 8.7°C0.0°C0.0°C517.410.110 h
December 1.1°C-7.1°C-7.1°C255.59.59 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

September in nearby cities

Distance from P’yŏngsŏng

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for P’yŏngsŏng) is explained once on the P’yŏngsŏng year overview and on the Sources, method and limits page.