What is fitful gust in poem autumn?

The phrase "fitful gust" in the poem "Autumn" by Henry Wadsworth Longfellow is a vivid and evocative description of a characteristic feature of autumn weather. It refers to the sudden, irregular bursts of wind that often occur during this season. These gusts are often accompanied by changes in temperature and humidity and can be quite strong, causing leaves to rustle and trees to sway. The poet uses the term "fitful" to convey a sense of capriciousness or unpredictability, suggesting that the gusts come and go without a discernible pattern. This description captures the dynamic and rapidly changing nature of autumn weather and adds to the overall atmosphere and mood of the poem