Although summer is generally considered the “high season” for Niagara Falls tourism, autumn brings scores of visitors each year. The air is still warm, but not too hot, the water still cool but not too cold and attractions are open, but not too crowded. Shorter lines at attractions, gorgeous fall colours, and festivals galore make this a prime destination for fall visitors. But is September, October, or November the right time for you to book your trip to Niagara? What types of events, weather, and attractions can you expect as the season wears on? Here’s what you need to know when planning an autumn trip to Niagara Falls.