Calgary, Alberta, experiences a transitionary period during September. Summer’s warmth gradually fades, giving way to cooler autumnal temperatures. Days are typically sunny with crisp air, while nights become noticeably colder. Average daytime highs hover around 16C (61F), dropping to an average low of 4C (39F) overnight. This shift marks the beginning of the city’s distinct four seasons.
Understanding Calgary’s climate during this month is crucial for visitors and residents alike. Packing appropriate clothing layers becomes essential to comfortably navigate the fluctuating temperatures. The relatively dry conditions and sunny days provide ideal opportunities for outdoor activities, such as hiking in the nearby Rocky Mountains or enjoying the city’s parks. Historically, September has seen occasional early snowfalls, though they are typically light and short-lived. This awareness helps individuals prepare for potential weather variations and make informed decisions regarding travel plans and outdoor engagements.