Visiting Niagara Falls, Ontario, during September offers pleasant conditions. Average daytime highs hover around 21C (70F), while nighttime lows settle around 11C (52F). This period represents a transition from summer’s heat to autumn’s crispness, resulting in comfortable temperatures ideal for exploring the natural wonder and surrounding attractions. Rainfall averages approximately 80mm across the month, generally spread evenly with no particularly wet or dry periods.
The month offers a compelling combination of fewer crowds than the peak summer months and continued operation of many outdoor attractions and activities. This period provides a more serene experience while still allowing visitors to enjoy boat tours, hiking trails, and the vibrant nightlife. Historically, September has marked the start of the fall foliage season, adding another layer of visual splendor to the already stunning landscape. This transition period often brings stunning sunsets, creating a picturesque backdrop for experiencing the Falls.