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2024 Aug

September 2025

Sao Tome and Principe
Oct 2026
MonTueWedThuFriSatSun
1
2
3
4
5
Armed Forces Day (observed)
6
Armed Forces Day
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Agricultural Reform Day
1
2
3
4
5

September 2025 Holidays for Sao Tome and Principe

  • Armed Forces Day (observed) (Dia das Forças Armadas (observado))
  • Armed Forces Day (Dia das Forças Armadas)
  • Agricultural Reform Day (Dia da Reforma Agrária)

Public holidays in Sao Tome and Principe in September 2025

There are 3 public holidays in Sao Tome and Principe in September 2025:

  • Armed Forces Day (observed) (Dia das Forças Armadas (observado)) – Friday, September 5, 2025
  • Armed Forces Day (Dia das Forças Armadas) – Saturday, September 6, 2025
  • Agricultural Reform Day (Dia da Reforma Agrária) – Tuesday, September 30, 2025

Next public holiday in Sao Tome and Principe: São Tomé Day on Sunday, December 21, 2025. Previous public holiday: Independence Day on Saturday, July 12, 2025.

September 2025 at a glance

  • Number of days in September 2025: 30
  • Weekdays (Monday to Friday): 22
  • Weekend days (Saturday and Sunday): 8
  • Week numbers: 36–40
  • September 2025 starts on a Monday and ends on a Tuesday.
  • September 2025 has 5 Mondays, 5 Tuesdays, 4 Wednesdays, 4 Thursdays, 4 Fridays, 4 Saturdays, and 4 Sundays.
  • Quarter 3 of 2025: days 244–273 of the year.
  • The days of September 2025 fall on the same weekdays as in September 2014 and September 2031.
  • Public holidays in Sao Tome and Principe: 3
  • Weekdays (Monday to Friday) without public holidays in Sao Tome and Principe: 20

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Holidays in September 2025 in nearby countries