Climate averages 1991–2020
Changam-ch’on weather
in September.
A warm, wet month: the 4th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Changam-ch’on: daytime highs average 22.5°C and nights cool to about 13.9°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 103 mm of rain on roughly 9 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 30 min on an average September day.
The nearest other city in this atlas is Sinp’o (80 km away). In September its highs average 21.2°C, 1.3°C cooler than Changam-ch’on, with 101 mm of rain.
Among the 38 cities listed in North Korea, Changam-ch’on ranks 27th of 38 for the warmest September highs and 25th of 38 for the driest September (rainfall, lowest first). The mean September high of those 38 cities is 23.2°C; Changam-ch’on is 0.7°C cooler than that mean.
From September to October, average highs fall by 5.9°C to 16.7°C, and monthly rainfall falls from 103 mm to 48 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
Changam-ch’on climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -1.1°C-12.3°C | -12.3°C | 27 | 6.5 | 9.610 h |
| February | 1.5°C-10.3°C | -10.3°C | 23 | 5.6 | 10.611 h |
| March | 6.8°C-4.3°C | -4.3°C | 33 | 6.4 | 11.912 h |
| April | 14.6°C2.9°C | 2.9°C | 44 | 7.3 | 13.313 h |
| May | 20.0°C9.3°C | 9.3°C | 69 | 9.0 | 14.414 h |
| June | 23.5°C14.6°C | 14.6°C | 71 | 9.0 | 15.015 h |
| July | 26.3°C19.0°C | 19.0°C | 155 | 12.8 | 14.815 h |
| August | 26.5°C19.4°C | 19.4°C | 177 | 14.9 | 13.814 h |
| September, selected | 22.5°C13.9°C | 13.9°C | 103 | 8.9 | 12.513 h |
| October | 16.7°C6.9°C | 6.9°C | 48 | 6.5 | 11.211 h |
| November | 8.2°C-0.6°C | -0.6°C | 45 | 6.9 | 10.010 h |
| December | 0.9°C-9.4°C | -9.4°C | 32 | 6.3 | 9.39 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
- Sinp’o in SeptemberNorth Korea · 80 kmHigh 21.2°C · Low 16.4°C · 101 mm rain
- Myŏnggan-dong in SeptemberNorth Korea · 84 kmHigh 21.2°C · Low 13.4°C · 109 mm rain
- Hwasŏng in SeptemberNorth Korea · 94 kmHigh 21.6°C · Low 13.5°C · 109 mm rain
- Hongwŏn in SeptemberNorth Korea · 95 kmHigh 21.7°C · Low 15.4°C · 102 mm rain
- Hyesan in SeptemberNorth Korea · 102 kmHigh 19.7°C · Low 8.8°C · 70 mm rain
- Ŏrang in SeptemberNorth Korea · 119 kmHigh 21.1°C · Low 14.8°C · 106 mm rain
- Hŭngnam in SeptemberNorth Korea · 129 kmHigh 21.9°C · Low 16.1°C · 115 mm rain
- Hamhŭng in SeptemberNorth Korea · 130 kmHigh 21.9°C · Low 14.5°C · 131 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 Changam-ch’on) is explained once on the Changam-ch’on year overview and on the Sources, method and limits page.