300 days are left until September 13, 2026
| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 13 Sep | Sunday | Second Day of the Jewish New Year | Argentina | Non Public |
| 13 Sep | Sunday | National Grandparents' Day | Canada | Non Public |
| 13 Sep | Sunday | Second Day of Rosh Hashanah | Israel | Public |
| 13 Sep | Sunday | Father's Day | Latvia | Non Public |
| 13 Sep | Sunday | Anniversary of the "Boy Heroes" or "Heroic Cadets" | Mexico | Non Public |
| 13 Sep | Sunday | Turkmen Bakhshi Day | Turkmenistan | Public |
| 13 Sep | Sunday | National Grandparent's Day | United States | Non Public |