September 2025
September is the ninth month of the year in the Gregorian calendar, with 30 days. It marks the transition of seasons: in the Northern Hemisphere, it begins the start of autumn (fall), while in the Southern Hemisphere, it signals the beginning of spring.
The name “September” comes from the Latin word septem, meaning seven, because it was originally the seventh month in the early Roman calendar before January and February were added.
September is associated with the zodiac signs Virgo and Libra, the birthstone Sapphire, and the flowers Aster and Morning Glory. It is a month often linked with new beginnings, harvests, and cultural or religious festivals around the world.
Frequently asked questions about September Calendar
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How many days are in September?
30 days.
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What is the zodiac sign for September?
Virgo (Aug 23 – Sep 22) and Libra (Sep 23 – Oct 22).
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Which month comes before September?
August.
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Which month comes after September?
October.
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What number month is September in the year?
9th month.
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What is the birthstone for September?
Sapphire.
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What is the birth flower for September?
Aster and Morning Glory.