I am trying to avoid the super crowds in Estes Park. Would September 13-17 be less crowded than later in the month? Hoping that is not yet the time of the elk rut.
Visiting Estes Park in mid-September is generally a good strategy to avoid the largest summer crowds, but there are a few nuances to consider.
September 13-17 falls after the Labor Day peak, so overall visitor numbers are lower compared to late August. The town and nearby Rocky Mountain National Park will be quieter, trails will be less crowded, and parking at popular trailheads is easier. Accommodations may also be easier to secure and slightly less expensive than during the high summer season.
Regarding the elk rut, this typically peaks in late September through early October, so mid-September should be just before the main rut. You may see some elk beginning to gather, but it will not be the full spectacle with the large herds, bugling, and fighting males that occurs later.
Other considerations for visiting in mid-September:
Overall, September 13-17 is an ideal window for a quieter Estes Park experience, with pleasant hiking conditions, early fall scenery, and a low chance of encountering the full intensity of the elk rut.