Last updated: August 23, 2025
In September, the average temperature in Chongjin, North Korea is a pleasant 18°C (65°F). Expect a minimum of 8°C (46°F) and a maximum of 27°C (81°F), making it a comfortable time of year. However, be prepared for some rain, as the area receives an average precipitation of 161 mm (6.3 in) over 13 days. With an average humidity of 79%, the air is likely to feel quite moist, so plan accordingly!
In September in Chongjin, the average temperature is 18°C (65°F), with maximums reaching 27°C (81°F) and minimums dropping as low as 8°C (46°F). This mild climate makes it an ideal time for travelers to enjoy outdoor activities and explore the area comfortably.
In Chongjin in September, the total precipitation amount is 161 mm (6.3 in), occurring over the course of 13 days.
In Chongjin in September, humidity is 79%. With an average temperature of 18°C (65°F), this humidity feels like walking through a warm mist, making traveling slightly uncomfortable and sticky, but offering a refreshing escape when you find moments of shade or a breeze.
In Chongjin in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Chongjin.
UV Risk Categories
Weather in Chongjin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Chongjin, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 28 mm (1.1 inches) | 78% | moderate |
| February Weather | -5°C (23°F) | 32 mm (1.3 inches) | 71% | moderate |
| March Weather | 2°C (36°F) | 56 mm (2.2 inches) | 62% | high |
| April Weather | 7°C (46°F) | 34 mm (1.3 inches) | 65% | high |
| May Weather | 12°C (54°F) | 114 mm (4.5 inches) | 73% | very high |
| June Weather | 16°C (62°F) | 97 mm (3.8 inches) | 83% | extreme |
| July Weather | 21°C (70°F) | 116 mm (4.6 inches) | 87% | very high |
| August Weather | 22°C (72°F) | 360 mm (14.2 inches) | 89% | extreme |
| September Weather | 18°C (65°F) | 161 mm (6.3 inches) | 79% | very high |
| October Weather | 12°C (53°F) | 57 mm (2.3 inches) | 80% | high |
| November Weather | 5°C (41°F) | 54 mm (2.1 inches) | 69% | moderate |
| December Weather | -4°C (26°F) | 71 mm (2.8 inches) | 75% | low |