Had a septoplasty, rhinoplasty and bilateral turbinate reduction 2 weeks ago, when is exercising okay?

At two weeks you may feel a lot of pressure on your nose and cause nose bleeds.  Every doctor has their own routine and much of it is dependent on the amount of work done.  We usually recommend no strenuous workout for at least 4-6 weeks and an examination.  The examination supersedes the recommended time period. An in-person exam with a board-certified plastic surgeon is the best way to assess your needs and provide true medical advice.

Great question! You may receive multiple different answers depending on my colleagues training and previous experience. However, I tell my patients that at 1 week daily activities (work, eating out, grocery shopping, etc ) are ok. At 2 weeks I feel it is ok to resume LIGHT cardio and ease into LIGT weight lifting. I typically ask them to wait until 4 weeks to resume to full activity with no restrictions. REMEMBER: even at 4 weeks though you are still a long way from being healed so a shot to the nose can negatively impact your final result. 
In the end, I feel that it is ok to resume light activity at 2 weeks but don't be in too big of a hurry. You may feel like your loosing your gains but you'll be really upset if you negatively impact your result. Meeting your long term goals for your nose are worth any short term inconveniences - be patient and be careful! Make sure to check in with your surgeon as he/she may have different activity restrictions depending on your specific surgery and post-operative course.
Good Luck!
Dr. M