I need an invoice from 09/16, but my transaction history only shows invoices from 10/16. Where can I find the rest of them?
I suggest you contact support so they can help youhttps://support.spotify.com/contact-spotify-support/
If you get an automated reply email telling you to check the help section or the community, you need to reply back to it, even if it's from a no-reply address.
Support usually replies within 24-48 hours.