| The Sixteenth of September | |
| Medium: | Oil on canvas |
| Height Metric: | 115 |
| Width Metric: | 88 |
| Height Imperial: | 45.27 |
| Width Imperial: | 34.64 |
| Museum: | Royal Museum of Fine Arts Antwerp |
| City: | Antwerp |
| Preceded By: | The Mysteries of the Horizon |
| Followed By: | The Alarm Clock |
| Website: | Museum listing |
16th September is a 1956 painting by René Magritte, probably produced in 1956. It is now in the Royal Museum of Fine Arts, Antwerp, which bought it directly from the artist.[1] The painting depicts a tree surrounded by empty space with rocks, and near the middle of the tree the Moon is shown.