Yellowstone is a popular summertime attraction. Visitors who come to see Old Faithful and the beautiful panoramas of this famous U.S. national park during the summertime will most likely have to endure traffic jams and view the geysers, falls and mountains while elbow to elbow with other camera-toting tourists. After Labor Day, but before the roads close for the winter, visitors can enjoy much quieter conditions. It is true that weather can be unpredictable after Labor Day in Yellowstone, but 60- and 70-degree daytime highs are not unheard of in September (and maybe even into October). Cheaper off-season prices are another reason to come to Yellowstone in the autumn. Winter sports season is not yet in full swing, so hotels and resorts in the area generally offer their lowest prices of the year in the fall. One possible drawback of autumn travel in Yellowstone is that many amenities (including campgrounds) inside the park are closed after the summer peak season ends.