Hi, according to Chinese baby gender calendar you are likely to get a baby boy if you conceive during the following time periods:
September 13, 2015 - December 31, 2015 January 1, 2016 - March 8, 2016 April 7, 2016 - May 6, 2016 July 4, 2016 - August 2, 2016 September 1, 2016 - September 30, 2016
September 13, 2015 - December 31, 2015
January 1, 2016 - March 8, 2016
April 7, 2016 - May 6, 2016
July 4, 2016 - August 2, 2016
September 1, 2016 - September 30, 2016
More tips to raise the chances of getting a baby boy can be found here:
https://www.yourchineseastrology.com/ways-to-get-baby-boy.htm
Please note that the above suggestions could only help you increase the chance to get a boy instead of a 100 percent sure.