Complete September 2026 calendar for Indonesia. 30 days, starting on Tuesday and ending on Wednesday. Latin septem ("seven") — originally the 7th Roman month.
At a glance
Key facts about September 2026
Days
30
Standard September
Month #
9
of 12
Starts on
Tue
Sep 1
Ends on
Wed
Sep 30
Season (N)
Autumn
Northern Hemisphere
Season (S)
Spring
Southern Hemisphere
Birthstone
Sapphire
Traditional
Flower
Aster
Birth month
Mini calendar
September 2026 at a glance
M
T
W
T
F
S
S
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
History
Why September is called September
Latin septem ("seven") — originally the 7th Roman month.
Frequently asked questions
How many days does September have?
September has 30 days.
What zodiac signs are in September?
Virgo → Libra — the sign changes around the 19th to 22nd.
What is the birthstone for September?
Sapphire is the traditional birthstone for September.
What is the birth flower for September?
Aster is the traditional birth flower for September.
How many public holidays are in September 2026?
In Indonesia, September 2026 has 0 public holidays.