South Korea Calendar — September 2025
September is often the month of Chuseok, Korea's major harvest festival, which follows the lunar calendar and usually spans three days. This printable September calendar for South Korea marks the holiday period as autumn begins; exact dates shift each year with the lunar calendar.
September 2025
South KoreaSu
Mo
Tu
We
Th
Fr
Sa
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
6
7
8
9
10
11
World Events in September
International Day of CharitySeptember 5International Literacy DaySeptember 8World Suicide Prevention DaySeptember 10International Day of DemocracySeptember 15World Ozone DaySeptember 16International Day of PeaceSeptember 21World Alzheimer's DaySeptember 21World Rivers DaySeptember 22
Browse all world events →Landscape PDF · includes public holidays · print-ready
☀ Light — recommended for printing
September 2025 has no public holidays in South Korea. Download as a free PDF — no sign-up required.
Planning around September 2025
September brings the start of autumn in Korea, with cooling, more comfortable weather after the summer heat. Chuseok, when it falls in September, prompts the year's largest domestic travel.
- Chuseok follows the lunar calendar and falls in September or early October depending on the year, often with substitute holidays added — check the exact dates.
- Travel and transport are extremely busy around Chuseok; book well ahead.