You and I are on the same boat. Ordered 9/5, pick up from Buena Park. Gray with Black Interior, SR+, 18 in Aero. So far these are my updates:
September 5th - Order Placed
September 6th - Website "Estimated delivery: Sept 12 - September 26"
September 9th - Text: Tesla update "We currently expect your Model 3 to be ready for delivery 2 - 3 weeks from today
September 9th - Website changed: "Estimated delivery 2 - 4 weeks from order placed"
September 17th - Text: Tesla update "We currently expect your Model 3 to be ready for delivery 6 - 13 DAYS from today