This sounds extreme considering when you ordered the site said expected delivery in November. Did you make any changes to your account or configuration that may have pushed the delivery? If not, hopefully it pulls way back. I would expect an order placed now to be February, not September.
September 2021, to be clear. The earliest window date I saw was at one point only a week after my order. And no, there have been no order or account changes. I won't be mad about it showing up after Jan 1 though on the off chance tax credits return. I'm skeptical, but I wouldn't turn it down.