15 September
A list of events which occurred on the 15th of September.

Joseph Pevney is born.

Albert Whitlock is born.

Aruni Devi Hansen is born.

Henry Darrow is born.

Mal Friedman is born.

Thomas G. Smith is born.

Norman Spinrad is born.

Roy Brocksmith is born.

Shelby Leverington is born.

Vanessa Greene is born.

Scott Thompson Baker and Jack Gwaltney are born.

Eric Chauvin is born.

Kenneth Hite is born.
 The Enterprise model is filmed in the configuration as seen in . This continues the detailing of the model that first started in January. More changes will be made to the model for the eventual series in .

 airs.
Third day of filming on .
Final draft script of  is revised again.
Final script draft for  is submitted.

 airs.
Fourth day of filming on .

Susan Patterson is born.

Robert Bonchune is born.

 airs.
The Thirty-Sixth UK Story Arc continues in Valiant & TV21 #103 with the thirteenth of sixteen installments.
 premieres in Flanders, the Dutch speaking part of Belgium, with the episode "De eindeloze ruimte" (). The episode was broadcast on channel BRT 1, in the prime time slot 18:05-18:55. Unlike the French and German speaking parts of the country, the Flanders episodes were not dubbed, but subtitled and over the course of nearly one year, about half of the series was broadcast.

Oliver Keller is born.

Tom Hardy is born.

Twenty-ninth day of filming on .

Design patent for the USS Enterprise refit is issued.

Twenty-third day of filming on .

Jonathan Newkerk is born.
Sixth day of filming on .

Musical score for  is recorded.

John Hoyt dies.

Twentieth day of filming on .

Sixth day of filming on .

Eighth day of filming on . 

Blu del Barrio is born.
Fifth day of filming on .
Fifth day of filming on .

Fourth day of filming on .

Fifteenth day of filming on .

Star Trek: The Next Generation - Jean-Luc Picard Collection DVD released in Region 2.

Second day of filming on .

Remastered version of  airs.

Fifty-seventh day of filming on .

John M. Dwyer dies.

David Hurst dies.

Gavan O'Herlihy and Ronald Roose die.

Unknown year
Laura DePuy and Gio Talegon are born.

de:15. September
es:15 septiembre
it:15 settembre
nl:15 september
pt:15 de setembro
ru:15 сентября
sv:15 september