Hyesan Weather in September
Hyesan in September sees pleasant daytime temperatures of 20°C (68°F) and nighttime lows of 7°C (45°F). Rainfall is fairly high this month at around 83 mm (3.3 in), so pack a rain jacket to stay dry.
Rainfall in Hyesan in September
Typically, about 12 days will experience rainfall, with an average of 83 mm (3.3 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Hyesan in September
Hyesan has excellent weather in September, with days reaching 20°C (68°F) and nights cooling to 7°C (45°F). The difference between afternoon and evening temperatures is usually noticeable. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Hyesan.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit North Korea, check out our Hyesan's climate page.
Hyesan Temperature in September
Min Temperature
7°C (45°F)
Max Temperature
20°C (68°F)
Chance of Rain
40%
Precipitation
83 mm (3.3 in)
Rainy days
12 days
Humidity
74%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hyesan typically drop from around 23°C (73°F) at the start of September to approximately 19°C (66°F) by the end. Nights are cold, with lows typically ranging from 4°C (39°F) to 12°C (54°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Hyesan in September
Browse day-by-day weather records for Hyesan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hyesan historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Hyesan.
- Hyesan recorded its highest September temperature of 30°C (86°F) on September 8, 1997.
- The coldest night in September in Hyesan was on September 27, 2008, with a minimum of -4°C (25°F).
Best Places in North Korea in September
Find out more about the weather in North Korea and which places have the best travel conditions in this month. See all of North Korea in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Hyesan in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Hyesan in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit North Korea, check out our Hyesan's climate page.
See the full Hyesan climate overview or explore weather in North Korea.
