Due in September: When Did You Conceive?
If your baby is due in September, conception most likely happened between December 9 and January 7 of the previous year.
| Due September 1 | conceived around December 9 |
|---|---|
| Due September 15 | conceived around December 23 |
| Due at the end of September | conceived around January 7 |
Each of these is the most likely date for that due date; the real day can sit a few days either side. For your own date, see the day-by-day posts or use the calculator.
Try the conception date calculator.
Conception Date Calculator: Find the most likely conception date from your due date.
Open the calculatorThis article is general information, not medical advice. Talk to a doctor or midwife about your own pregnancy or fertility.