13 September 2026

• 256th day of the year. There are then 109 days left in 2026.
• 37th Sunday of 2026.
• on the 37th week of 2026 (using ISO standard week number calculation).
• Birthstone for this day: Sapphire

There are no major holidays or observances in New Zealand for this date.

• Rosh Hashana (End) - United States, Mexico, United Kingdom, Canada, Australia
• Grandparents Day (Vanavanemate päev) - Popular in: United States, India, Canada, Estonia
• Day of the Children Heroes (Día de los Niños Héroes) - Mexico
• International Chocolate Day (Día Intl. Del Chocolate) - Popular in: Spain
• Election Day for Swedish Parlament (Dag för val till Sveriges Riksdag) - Sweden
• Father's day (Tēva Diena) - Latvia
• Día del Bibliotecario - Argentina
• Día de la Familia - Peru
• Roald Dahl Day - United Kingdom
• World Sepsis Day - Popular in: United Kingdom