Climate averages 1991–2020
Kaesŏng weather
in September.
A warm, wet month: the 4th warmest and the 9th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Kaesŏng: daytime highs average 24.8°C and nights cool to about 15.9°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 116 mm of rain on roughly 7 days, which makes September a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 28 min on an average September day.
The nearest other city in this atlas is Paech’ŏn-ŭp (22 km away). In September its highs average 24.5°C, about as warm as Kaesŏng, with 111 mm of rain.
Among the 38 cities listed in North Korea, Kaesŏng ranks 1st of 38 for the warmest September highs and 33rd of 38 for the driest September (rainfall, lowest first). The mean September high of those 38 cities is 23.2°C; Kaesŏng is 1.6°C warmer than that mean.
From September to October, average highs fall by 6.2°C to 18.6°C, and monthly rainfall falls from 116 mm to 50 mm.
The annual picture
September in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Kaesŏng climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.4°C-7.3°C | -7.3°C | 16 | 3.4 | 9.910 h |
| February | 4.5°C-5.1°C | -5.1°C | 23 | 3.9 | 10.811 h |
| March | 10.0°C-0.7°C | -0.7°C | 33 | 5.3 | 11.912 h |
| April | 16.6°C5.2°C | 5.2°C | 61 | 7.0 | 13.213 h |
| May | 22.2°C11.3°C | 11.3°C | 99 | 8.2 | 14.214 h |
| June | 26.4°C17.0°C | 17.0°C | 124 | 9.7 | 14.715 h |
| July | 27.9°C21.2°C | 21.2°C | 301 | 16.4 | 14.515 h |
| August | 28.6°C21.7°C | 21.7°C | 273 | 15.1 | 13.614 h |
| September, selected | 24.8°C15.9°C | 15.9°C | 116 | 7.2 | 12.512 h |
| October | 18.6°C8.4°C | 8.4°C | 50 | 5.1 | 11.211 h |
| November | 10.4°C1.3°C | 1.3°C | 45 | 6.8 | 10.210 h |
| December | 3.2°C-5.1°C | -5.1°C | 21 | 4.5 | 9.610 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
- Paech’ŏn-ŭp in SeptemberNorth Korea · 22 kmHigh 24.5°C · Low 16.2°C · 111 mm rain
- Paju in SeptemberSouth Korea · 30 kmHigh 24.6°C · Low 16.3°C · 120 mm rain
- Pongch’ŏn-ŭp in SeptemberNorth Korea · 35 kmHigh 24.4°C · Low 15.9°C · 111 mm rain
- Gimpo-si in SeptemberSouth Korea · 41 kmHigh 24.3°C · Low 17.5°C · 121 mm rain
- Goyang-si in SeptemberSouth Korea · 43 kmHigh 24.5°C · Low 16.7°C · 120 mm rain
- Yangju in SeptemberSouth Korea · 47 kmHigh 24.5°C · Low 16.0°C · 118 mm rain
- Uijeongbu-si in SeptemberSouth Korea · 50 kmHigh 24.5°C · Low 16.3°C · 118 mm rain
- Ch’ŏngdan-ŭp in SeptemberNorth Korea · 54 kmHigh 24.1°C · Low 17.1°C · 102 mm rain
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 limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Kaesŏng) is explained once on the Kaesŏng year overview and on the Sources, method and limits page.