Climate averages 1991–2020
Kwail-ŭp weather
in September.
A warm, moderately wet month: the 3rd 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 Kwail-ŭp: daytime highs average 23.2°C and nights cool to about 17.6°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 85 mm of rain on roughly 6 days, which makes September a moderately 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 Ŭllyul (17 km away). In September its highs average 24.3°C, 1.1°C warmer than Kwail-ŭp, with 86 mm of rain.
Among the 38 cities listed in North Korea, Kwail-ŭp ranks 24th of 38 for the warmest September highs and 2nd of 38 for the driest September (rainfall, lowest first). The mean September high of those 38 cities is 23.2°C; Kwail-ŭp is level with that mean.
From September to October, average highs fall by 5.7°C to 17.5°C, and monthly rainfall falls from 85 mm to 43 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
Kwail-ŭp climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 0.7°C-4.2°C | -4.2°C | 15 | 3.7 | 9.810 h |
| February | 2.6°C-2.9°C | -2.9°C | 18 | 3.5 | 10.711 h |
| March | 7.0°C0.9°C | 0.9°C | 24 | 4.1 | 11.912 h |
| April | 12.7°C6.2°C | 6.2°C | 46 | 6.2 | 13.213 h |
| May | 17.8°C11.3°C | 11.3°C | 84 | 7.1 | 14.214 h |
| June | 22.6°C16.6°C | 16.6°C | 87 | 8.0 | 14.815 h |
| July | 25.7°C21.1°C | 21.1°C | 220 | 13.6 | 14.615 h |
| August | 26.6°C21.9°C | 21.9°C | 188 | 11.9 | 13.714 h |
| September, selected | 23.2°C17.6°C | 17.6°C | 85 | 6.3 | 12.512 h |
| October | 17.5°C11.5°C | 11.5°C | 43 | 6.0 | 11.211 h |
| November | 10.2°C4.7°C | 4.7°C | 48 | 7.7 | 10.110 h |
| December | 3.5°C-1.7°C | -1.7°C | 27 | 6.6 | 9.510 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
- Ŭllyul in SeptemberNorth Korea · 17 kmHigh 24.3°C · Low 16.4°C · 86 mm rain
- Samch’ŏn in SeptemberNorth Korea · 28 kmHigh 24.3°C · Low 15.9°C · 87 mm rain
- Chaeryŏng-ni in SeptemberNorth Korea · 37 kmHigh 24.2°C · Low 16.4°C · 88 mm rain
- Ŭnch’ŏn-ŭp in SeptemberNorth Korea · 38 kmHigh 24.4°C · Low 16.2°C · 89 mm rain
- Sinch’ŏn-ŭp in SeptemberNorth Korea · 42 kmHigh 24.5°C · Low 15.6°C · 90 mm rain
- Namp’o in SeptemberNorth Korea · 47 kmHigh 24.3°C · Low 16.3°C · 90 mm rain
- Sariwŏn-si in SeptemberNorth Korea · 65 kmHigh 24.5°C · Low 15.9°C · 89 mm rain
- Songnim-ni in SeptemberNorth Korea · 65 kmHigh 24.3°C · Low 15.8°C · 88 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 Kwail-ŭp) is explained once on the Kwail-ŭp year overview and on the Sources, method and limits page.