In September 2026, Japan has 19 business days once weekends and 3 public holidays are excluded. Counting only weekends (ignoring public holidays) instead gives 22 weekdays.
Key facts
Business days (weekends + holidays excluded)
19
Weekdays only (weekends excluded, holidays counted as working days)
22
Public holidays this month
3
Public holidays this month
Date
Holiday
2026-09-21
Respect for the Aged Day
2026-09-22
Citizens' Holiday
2026-09-23
Autumnal Equinox Day
Calendar
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21Respect for the Aged Day
22Citizens' Holiday
23Autumnal Equinox Day
24
25
26
27
28
29
30
Frequently asked questions
How many business days are in September 2026?
September 2026 has 19 business days in Japan, once weekends and public holidays are excluded.