Hi Mariah, and welcome to the Disney Parks Moms Panel!
I am sure you will be able to watch many fireworks shows during your stay, as they happen at Magic Kingdom Park, Epcot and Disney's Hollywood Studios. The
Happily Ever After Fireworks show is the best way to end a day at Magic Kingdom Park, and it happens when there are no special events scheduled, so you will be able to see it if you stay longer than two days.
Because you are coming in September, you can also attend my favorite seasonal party,
Mickey's Not-So-Scary Halloween Party and experience the Happy HalloWishes Fireworks Show. This event requires a separate admission and will happen on Tuesdays, Fridays and Sundays in September.
You may also enjoy the
Star Wars: A Galactic Spectacular fireworks show at Disney's Hollywood Studios, as it is an amazing experience for those who are Star Wars fans.
The
IllumiNations: Reflections of Earth show at Epcot is also beautiful and it will run until the end of summer 2019, so you may be able to watch it too, as well as the new nighttime fireworks spectacular that will debut after it comes to a close. The dates for the new show will be released soon and I truly hope you get to see it!
If you need more assistance before your vacation, please let us know. The Disney Parks Moms Panel is here to help!
May the magic be with you!
Julie