September 15, 2025

2025 Days and Dates - US

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September 15, 2025 calendar

September 15 in 2025

37th Monday of 2025

September 15, 2025 is ...

258th day of the year. There are then 107 days left in 2025.
37th Monday of 2025.
on the 38th week of 2025 (using US standard week number calculation).
88th day of Summer. There are 7 days left till Fall.
Birthstone for this day: Sapphire

September 15, Zodiac Sign

Virgo

September 15, 2025 United States Holidays & Popular Observances

September 15, 2025 Popular Holidays & Observances Worldwide

International Day of Democracy - Popular in:
Cantabria Day (Día de Cantabria) - Spain
Day of Restoration of the Primorska Region to the Motherland (Dan Obnove Primorske na Domovino) - Slovenia
Day of Our Lady of Sorrows (Deň Panny Márie Bolestnej) - Slovakia
Parliamentary Election Day (Stortingsvalg-dagen) - Norway
Battle of Britain Day - United Kingdom
Dia do Cliente - Brazil
Engineers Day - India

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