Welcome to the Disney Parks Moms Panel, Wing Kan!
Thank you so much for sending in your question. With a check-in date of September 9, 2017, your 60 day FastPass+ booking window is July11, 2017 - July & August both have 31 days, so your 60 day mark is off by two days when compared to the months that have exactly 30 days in them.
The good news is tomorrow is your day and you haven't missed out on securing those FastPass+ reservations you are hoping for! Here are a few other tips to help on your special vacation planning day.
• You may begin securing your FastPass+ reservations at 7:00am EST
• You may also begin completing your Walt Disney World® Resort hotel online check-in
• If you haven't already, download the My Disney Experience App for your smartphone. This will allow you to modify your plans from your phone!
I've also included an official
Moms Panel video on the FastPass+ program to provide even more information as you plan for tomorrow, just select the highlighted link to check it out.
I hope this helps, Wing Kan! Please do not hesitate to reach back out to me with any additional questions you may have. I am here to help.
Faith