a stretch of sunny and hot days during late autumn
the late autumn of life; a late flowering of activity before later years
in North America, a time period of summer later in autumn, usually described as an obvious sky, and also by a hazy or smoky look for the atmosphere, especially nearby the horizon. The name comes probably from the customized for the Indians of utilizing this time in preparation for winter season by laying in shops of meals.
a time period of abnormally the sunshine in the autumn