Everyone's conviced I'll be delivering early

Morgan
Due to my size. Buuuuut I feel like I'm fine.. Ill be 26 weeks Monday and am 25lbs up.. kind of upsets me when I keep hearing "wow look at your belly.. i think youll have the baby early in august!" (Im due late September. Sept. 26th 😔😔😔) please give me your opinions.. am i seriously too big???