Last updated: April 22, 2025
Discover the captivating September weather in Canmore, Canada, where the maximum temperature can soar to a delightful 26°C (80°F), while the average settles at a refreshing 6°C (43°F). As the month progresses, temperatures can dip to a chilly minimum of -9°C (16°F), showcasing the region's stunning seasonal contrast. With precipitation totaling 66 mm (2.6 in) falling across 11 days, September offers a mix of crisp, damp days that enhance Canmore's vibrant fall scenery. Experience the ambiance shaped by a humidity level of 79%, creating a picturesque backdrop perfect for outdoor adventures and serene reflections in this mountainous paradise.
As September rolls into Canmore, the transition from summer to autumn brings a noticeable shift in temperatures. With minimums dipping to -9°C (16°F), the crisp air serves as a reminder that winter is not far off. However, the average temperature of 6°C (43°F) and maximums reaching a pleasant 26°C (80°F) still provide opportunities for outdoor activities amidst stunning fall foliage. This month typically showcases a delightful blend of cooler mornings and pleasantly warm afternoons, making it an ideal time for hiking and enjoying the breathtaking landscapes of this Canadian gem. As the month progresses, the cooler nights foreshadow the chill of October, emphasizing the beauty of change in Canmore’s climate.
September in Canmore marks a transitional phase as summer's warmth begins to wane. With 66 mm (2.6 in) of precipitation spread across 11 days, it finds a sweet spot between the lush, wet summer months and the drier fall ahead. Following August's substantial 74 mm, September's rainfall reflects a slight dip while still retaining a healthy contribution to the annual total. This month bridges the gap, hinting at the crispness of October while still nurturing the vibrant scenery characteristic of the Rockies. Overall, the precipitation patterns reveal a gradual shift towards the cooler, less humid months, with September serving as a pivotal moment in Canmore’s climatic tapestry.
In Canmore, Canada, September marks a notable shift in humidity levels as the summer wanes and autumn approaches. With a humidity of 79%, it reflects the lowest point since June, signaling a gradual departure from the dampness typical of earlier months. The trend showcases a steady decline from the peak of 95% in January to the more comfortable levels in fall, providing a respite from the higher humidity experienced during the summer. This decreasing pattern not only enhances outdoor experiences but also indicates a transition towards crisp, clear days that characterize the beautiful Canadian autumn.
As September rolls into Canmore, the UV Index remains notably high at 7, placing it in the high exposure category. This marks a slight decline from the peak summer months but still necessitates caution, with a recommended burn time of 25 minutes. Throughout the year, a pattern emerges: the UV Index climbs steadily from the low values of winter, peaking at a striking 9 in May through July, before tapering off as fall approaches. Visitors and locals alike should remain vigilant even in September, as sun protection remains essential. For more information on the UV Index in Canmore, check out Canmore UV Index.
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In September, Canmore basks in a *glorious *260 hours of sunshine, marking a distinct transition as summer wanes. This month showcases a delightful balance, significantly brightening up after the peak of July with its impressive 379 hours. As we enter the fall, the daylight gradually diminishes, but September still holds its own, outperforming the earlier months like January and February, which struggle with just 137 and 177 hours respectively. The city’s picturesque landscapes are further illuminated against a backdrop of stunning autumnal colors, making it a perfect time for outdoor adventures and enjoying nature’s beauty before winter sets in.
In Canmore, Canada, September boasts a 47% chance of sunny weather, marking it as a favorable month as summer transitions into fall. This percentage aligns closely with the preceding months of June and April, which both show a promising 48% likelihood of sunshine. Interestingly, the sunlight percentages throughout the year reveal a general upward trend during the warmer months, peaking in July with 57%. As autumn approaches, sunlight begins to taper off slightly, but September still offers a delightful opportunity for outdoor activities under blue skies. Overall, it’s a time when locals and visitors alike can relish the beauty of the landscape bathed in gentle sunlight before the chill of winter sets in.
As September unfolds in Canmore, Canada, the daylight hours begin to wane, offering a gentle transition from the vibrant summer months. With 12 hours of daylight, September marks a shift from the longer days of July and August, where sunlight graced the skies for up to 15 and 14 hours, respectively. This gradual decline serves as a prelude to the crisp autumn air, while still allowing ample time to explore the stunning landscapes and vibrant fall foliage. The daylight duration, though less than peak summer, remains significant, bridging the gap to October when daylight dips further to 10 hours. This pattern reflects a clear trend of decreasing daylight as the year progresses towards winter, inviting both locals and visitors to savor the remaining sunny days.
As summer gives way to autumn, September in Canmore brings a noticeable shift in the air, reflected in the average wind speed, which rises to 2.6 m/s (6 mph). This increase marks a return to the brisk breezes characteristic of early fall, in contrast to the calmer summer months where wind speeds dipped as low as 1.7 m/s (4 mph) in July. Although September's winds are slightly stronger than those in the preceding months, they prepare the landscape for the vibrant colors of autumn, setting the stage for cooler days ahead. As we transition into October, the winds settle slightly at 2.3 m/s (5 mph), but with November on the horizon, Canmore's winds are expected to pick up again, hinting at the arrival of winter.
The weather in Canmore changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Canmore and find detailed weather information for every month.
In September, the weather in Canmore is relatively mild, featuring temperatures that range from a minimum of -9°C (16°F) to a pleasant maximum of 26°C (80°F), with an average of 6°C (43°F). This month sees an average precipitation of 66 mm (2.6 in) over 11 days and a humidity level of 79%. In stark contrast, January experiences much harsher conditions, with temperatures plunging to a minimum of -37°C (-34°F) and an average temperature of -12°C (11°F), only reaching a maximum of 3°C (37°F). Precipitation in January is significantly lower at 19 mm (0.8 in) over just 5 days, but the humidity is notably high at 95%. For further details, you can explore Canmore weather in January.
In September, temperatures in Canmore range from a chilly -9°C (16°F) at night to a warm 26°C (80°F) during the day, resulting in an average of 6°C (43°F). The month sees about 66 mm (2.6 in) of precipitation over 11 days, with humidity levels at 79%. In contrast, February presents a much harsher climate, with lows plummeting to -37°C (-35°F) and a high of only 5°C (41°F), averaging around -14°C (7°F). Precipitation decreases slightly to 46 mm (1.8 in) over the same number of days—11—and the humidity rises to 94%. For a closer look at what to expect, check out Canmore weather in February.
When comparing the weather in September and March, there is a notable contrast in temperatures and conditions. September boasts a more moderate temperature range, with minimums around -9°C (16°F) and maximums reaching up to 26°C (80°F), averaging at 6°C (43°F). The month sees an average precipitation of 66 mm (2.6 in) over 11 days, with a relative humidity of 79%. In sharp contrast, March presents much harsher weather, with minimum temperatures plunging to -33°C (-28°F) and maximums only climbing to 11°C (53°F), resulting in an average of -7°C (20°F). Although precipitation is slightly lower at 55 mm (2.1 in) across 12 days, the humidity is higher at 92%. For more detailed insights into March weather patterns, you can check Canmore weather in March.
September and April weather present contrasting conditions, highlighting the transition from summer to fall and winter to spring. In September, temperatures range from a minimum of -9°C (16°F) to a maximum of 26°C (80°F), with an average of 6°C (43°F) and relatively lower humidity at 79%. The month sees about 66 mm (2.6 in) of precipitation spread over 11 days. Conversely, April experiences a more frigid climate, with temperatures plunging to a minimum of -22°C (-8°F), an average of -3°C (27°F), and a maximum of 16°C (61°F). The humidity in April is higher at 89%, and precipitation levels are slightly increased at 67 mm (2.6 in) over 13 days. For more detailed insights into April’s weather, refer to Canmore weather in April.
When comparing the weather in September and May, significant differences emerge in temperature and humidity. September typically enjoys a wider temperature range, with minimums of -9°C (16°F) and maximums reaching 26°C (80°F), resulting in an average of 6°C (43°F). In contrast, May experiences colder temperatures, with minimums dipping to -16°C (3°F) and maximums peaking at 20°C (69°F), averaging just 3°C (39°F). Humidity levels also vary, with September having an average of 79% compared to May’s higher 86%. Additionally, precipitation is slightly greater in May, totaling 79 mm (3.1 in) over 13 days, compared to September’s 66 mm (2.6 in) over 11 days. For more details about the weather in May, you can check Canmore weather in May.
When comparing the weather in September to June, there are notable differences in temperature and precipitation levels. In September, temperatures range from a chilly -9°C (16°F) to a pleasant maximum of 26°C (80°F), with an average of 6°C (43°F). This month experiences 66 mm (2.6 in) of precipitation over 11 days and has an average humidity of 79%. In contrast, June sees milder temperatures, with a minimum of -5°C (24°F), an average of 9°C (48°F), and a peak of 31°C (88°F). Precipitation is higher in June at 107 mm (4.2 in) over 16 days, alongside a slightly higher humidity level of 84%. For more detailed insights on June weather, you can check out Canmore weather in June.
In comparing the weather of September and July, we see notable differences in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of -9°C (16°F) and an average of 6°C (43°F), while July boasts significantly warmer conditions, peaking with a maximum of 32°C (89°F) and maintaining an average of 12°C (55°F). Regarding precipitation, July sees a slightly higher total of 82 mm (3.2 in) over 15 days compared to September's 66 mm (2.6 in) across 11 days. Additionally, humidity levels are quite similar, with July at 84% and September at 79%. For a more detailed look at July weather, you can visit Canmore weather in July.
When comparing the weather in September to that of August, September tends to be cooler overall. The average temperature drops from 12°C (53°F) in August to 6°C (43°F) in September, with September experiencing a minimum temperature of -9°C (16°F) compared to August's -4°C (24°F). Although the maximum temperature in September reaches up to 26°C (80°F), it is still less warm than August's peak of 29°C (85°F). Precipitation levels are relatively similar, with September receiving 66 mm (2.6 in) over 11 days, compared to August's 74 mm (2.9 in) over 12 days. Humidity remains fairly constant, with September at 79% and August at 80%. For more details, you can check Canmore weather in August.
September and October present a stark contrast in weather conditions. In September, temperatures range from a minimum of -9°C (16°F) to a maximum of 26°C (80°F), with an average temperature of 6°C (43°F) and 66 mm (2.6 in) of precipitation over 11 days, accompanied by a humidity level of 79%. On the other hand, October sees much colder temperatures, with a minimum of -30°C (-21°F) and a maximum of 19°C (66°F), resulting in an average of -2°C (28°F). Despite having slightly less precipitation at 55 mm (2.2 in) over 10 days, October's humidity rises to 88%, contributing to a significantly chillier atmosphere. For more details, check Canmore weather in October.
In comparing the weather between September and November, September presents a more temperate climate with a wide temperature range, featuring minimums around -9°C (16°F), an average of 6°C (43°F), and maximums reaching up to 26°C (80°F). With 66 mm of precipitation spread over 11 days, humidity levels sit at a moderate 79%. In contrast, November brings a notable chill, with temperatures plummeting to a minimum of -29°C (-20°F), an average of -7°C (19°F), and a maximum of only 7°C (45°F). Precipitation in November decreases slightly to 51 mm over 10 days, while humidity rises to a high of 94%. For more detailed insights, visit Canmore weather in November.
September and December present starkly contrasting weather patterns. In September, temperatures range from a minimum of -9°C (16°F) to a pleasant maximum of 26°C (80°F), with an average of 6°C (43°F). This month sees relatively moderate precipitation at 66 mm (2.6 in) over 11 days, accompanied by a humidity level of 79%. In contrast, December plunges into a much colder climate, with temperatures dropping to a minimum of -35°C (-31°F) and an average of -13°C (10°F), peaking at just 5°C (41°F). Precipitation decreases slightly to 49 mm (1.9 in) across 9 days, but the humidity rises significantly to 97%, creating a frigid atmosphere. For more detailed insights, check Canmore weather in December.
As September unfolds in Canmore, the transition from summer to autumn is vividly felt in the weather. With daytime temperatures fluctuating between comfortable highs and brisk lows, the month presents a unique blend of seasonal change, drawing both warmth and coolness. While the average temperature sits relatively mild, the occasional dip can surprise locals and visitors alike, reminding everyone of winter’s impending arrival. Additionally, the month sees notable precipitation, with days of rain contributing to the lush landscape that characterizes the region. With humidity levels rising, September offers a refreshing yet invigorating climate, distinct from the drier and warmer summer months. For more insights into what to expect throughout the year, visit Canmore Climate.