North Korea in September: Weather, Crowds & What to Expect
Climate Map for September
Average temperature across North Korea in September.
City Weather in September
| City | High | Low | Rain | UV | Feels |
|---|---|---|---|---|---|
| Pyongyang | 25° | 14° | 135 mm | high | Mild |
| Hamhung | 24° | 13° | 112 mm | high | Mild |
| Nampo | 25° | 15° | 123 mm | high | Mild |
| Sunch’ŏn | 24° | 12° | 124 mm | high | Mild |
| Hungnam | 23° | 13° | 117 mm | high | Mild |
| Kaesong | 25° | 14° | 146 mm | high | Mild |
| Wonsan | 23° | 15° | 146 mm | high | Mild |
High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.
Pyongyang & West Coast Lowlands
September brings relief as the monsoon withdraws and the lowlands experience crisp, clear days ideal for exploring Pyongyang’s avenues and surrounding archaeological sites. Mornings can be cool and dewy while afternoons remain pleasantly warm; autumn colours begin in higher ground and vineyards. This is one of the best months for travel-fewer insects, lower humidity and stable weather. Pack a light sweater for evenings and expect more comfortable walking conditions.
Southwest & Kaesong/DMZ Borderlands
September is refreshingly drier as the monsoon recedes, bringing cool mornings and warm afternoons-ideal for exploring the cultural sites around Kaesong before leaf colour deepens. Harvest activity colours the countryside and farmers’ markets fill with produce; roads tend to be more reliable now. This is one of the most comfortable months for visitors: light layers during the day, something warmer for evenings, and a camera for clear vistas of terraced fields.
Central Highlands & Kaema Plateau
September brings a crisping of the air and dramatic colours at elevation as summer humidity recedes-clear, cool days and chilly nights return, making it one of the best months for trekking. Mountain vistas are sharp and rivers drop to safer levels; insect pressure falls significantly. Expect active agriculture and seasonal movement of livestock; book accommodations in advance as visitor interest grows. Daytime sun feels warm but bring a warm jacket for evenings above the tree line.
Northeast & Mount Paektu (Hamgyong Mountains)
September gives clear, cool days and is one of the best months for the northeast-Paektu’s slopes show the first crisp fall colours and coastal temperatures are mild. Stable weather and reduced humidity make visibility excellent, ideal for photography and hiking at lower elevations. Summit attempts are more feasible in this window but still require an experienced guide; bring warm layers for evenings and higher camps. Holiday crowds are low, so permits and logistics are typically easier.
East Coast & Wonsan / Mount Kumgang
September cools quickly as monsoon influence wanes and the coast offers crisp, clear weather perfect for outdoor exploration and long coastal drives. Visibility improves dramatically and sea colours are vivid-ideal for photography and hiking in Mount Kumgang’s lower slopes. Daytime is pleasantly warm while nights become cool, so pack layers for comfort. This month is widely regarded as one of the best for east-coast visits because of stable conditions and thinner crowds.