@Kimberly893
Yes, traditionally Sept/Oct/Nov/Dec (except Thanksgiving/Christmas/New Year's) is generally slow in most markets.
- You can try and use Custom Promotions to get more "eyes" on your listing and discount prices. Just remember that other discounts like early bird and last minute will "stack" on a custom promotion.
How to Create a Custom Promotion
https://www.airbnb.com/help/article/2982
- You can use this time to get professional photos done (if you haven't already) and make upgrades to the interior of the listing.
- You can encourage longer stays by offering discounts for longer stays