Last updated: April 22, 2025
In September, Mont-Tremblant, Canada, experiences a dynamic transition into autumn, characterized by a maximum temperature reaching a warm 30°C (86°F) and an average of 13°C (56°F). However, the weather can be unpredictable, with minimum temperatures dipping to a brisk -2°C (28°F). This month welcomes 106 mm (4.2 in) of precipitation across approximately 10 days, contributing to a humidity level of 78%. Nature's vibrant display during this time invites outdoor enthusiasts to explore the stunning landscape, making it an ideal month for both adventure and relaxation.
In September, Mont-Tremblant begins to transition from the warmth of summer to the crispness of fall, offering a delightful range of temperatures. With minimums dipping to -2°C (28°F), residents and visitors experience the first whispers of autumn chill. The average temperature settles comfortably around 13°C (56°F), perfect for outdoor activities amidst the stunning foliage. Daytime highs can reach a pleasant 30°C (86°F), allowing for lingering warmth to enjoy the beautiful scenery, yet the contrast with cooler nights hints at the changing season. This delightful blend of temperatures makes September an ideal time to explore the area’s breathtaking landscapes before winter's arrival.
In September, Mont-Tremblant experiences a transitional dip in precipitation, receiving approximately 106 mm (4.2 in) over about 10 days of rain. This marks a slight decrease from the wetter summer months, where July and August showcased higher totals of 133 mm and 117 mm, respectively. As the region shifts into autumn, the precipitation pattern reflects a gradual decline in intensity compared to the peak summer months, yet still maintains a robust presence in the precipitation yearly cycle. The combination of moderate rainfall with the onset of fall foliage creates a picturesque landscape, making September a captivating time to visit this beautiful part of Canada.
As September arrives in Mont-Tremblant, Canada, the humidity maintains a comfortable level of 78%, aligning closely with the slightly higher figures of the preceding months. This stability follows a noticeable trend observed throughout the summer, where humidity levels peaked in July at 79% and dipped slightly in August. The gradual decline from earlier months—starting from a humidity high of 95% in January—culminates in September's mild conditions, signaling a transition into the crisp fall air. As the seasons shift, we can anticipate an increase in humidity again come October, which often ushers in the chillier months, bringing a reminder of winter's approach.
As September unfolds in Mont-Tremblant, Canada, the UV Index reflects a moderate decline from the peak summer months, ranging from a high of 9 in June and July to a more manageable 7 this month. This change marks a transition into a high exposure category, with a recommended burn time of 25 minutes—a significant increase compared to the swift 15 minutes needed during the height of summer. While the days may be getting shorter and cooler, it’s still essential to stay vigilant about sun safety as outdoor activities beckon in the crisp autumn air. Don't forget to check the full details at Mont-Tremblant UV Index.
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As the vibrant hues of autumn begin to envelop Mont-Tremblant in September, this charming Canadian resort still enjoys a generous 253 hours of sunshine. While days start to shorten compared to the sun-drenched peak of summer, which boasted an impressive 343 hours in July, September holds its own with ample light for outdoor adventures. The gradual shift from the sunniest months is evident as hours decrease from August's 304 hours, but the pleasant warmth lingers, making it a perfect time for hiking and exploring the stunning fall foliage. This trend of decreasing sunlight continues into the cooler months, urging visitors to embrace the breathtaking scenery before winter's arrival.
As summer fades into autumn, September in Mont-Tremblant, Canada, presents a promising opportunity for sunny weather, boasting a 37% chance of sun. This represents a slight decline from the sunnier summer months, particularly July and August, which enjoy levels of about 34% and 38%, respectively. However, September holds its own with a robust likelihood of sunshine, making it a delightful time for outdoor activities amid the vibrant fall foliage. Compared to earlier months in the year, September's sun chances are quite favorable, comfortably nestled between spring's fresh bloom and the crisp beginnings of autumn. Whether you're hiking or simply soaking in the scenic views, September offers a pleasant balance that weather enthusiasts will surely appreciate.
As summer transitions into autumn, September in Mont-Tremblant, Canada, offers a gentle tapering of daylight, with an average of 12 hours per day. This month marks a noticeable shift from the elongated, sun-drenched days of July and August, which boast a peak of 15 hours of daylight. Following this summer zenith, September's reduction hints at the approaching chill of fall, yet still allows ample time to soak in the stunning fall foliage. The gradual decline in daylight, dropping to 10 hours by October, signifies nature’s slow, beautiful retreat into winter, making September a perfect month to enjoy outdoor activities amidst the colorful landscape.
As September unfurls in Mont-Tremblant, the scenery is not only painted with autumn hues but also dances with a gentle breeze, boasting an average wind speed of 3.2 m/s (7 mph). This slight uptick in wind speed compared to the summer months hints at the seasonal transition, bringing a refreshing touch to the air as the leaves begin to turn. Notably, September maintains a similar wind pace to April and November, suggesting a comforting consistency in the region's climate as it prepares for the cooler days ahead. After the calmer summer breezes, the inviting winds of September encourage outdoor exploration, making it a delightful time to experience the stunning landscapes of this Canadian gem.
The weather in Mont-Tremblant 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 Mont-Tremblant and find detailed weather information for every month.
September and January exhibit striking contrasts in weather, reflecting the transition from late summer to mid-winter. In September, temperatures range from a minimum of -2°C (28°F) to a comfortable average of 13°C (56°F), with highs reaching up to 30°C (86°F). The month also experiences moderate precipitation of 106 mm (4.2 in) over approximately 10 days, accompanied by a humidity level of 78%. In stark contrast, January is marked by frigid temperatures, with lows plunging to -34°C (-29°F) and an average of -11°C (12°F), while highs barely reach 9°C (49°F). This month receives less precipitation, totaling 81 mm (3.2 in) over 11 days, but the humidity climbs to a significant 95%. For a detailed look at January conditions, check out Mont-Tremblant weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a chilly minimum of -2°C (28°F) to a warm maximum of 30°C (86°F), averaging around 13°C (56°F). This month experiences a moderate amount of precipitation, totaling 106 mm (4.2 in) over about 10 days, with a humidity level of 78%. In stark comparison, February is significantly colder, with temperatures dropping to a minimum of -29°C (-20°F) and peaking at just 9°C (49°F), averaging around -10°C (14°F). Despite experiencing slightly less precipitation at 89 mm (3.5 in), February sees rain or snow on about 13 days, accompanied by a higher humidity of 94%. For more detailed insights on February weather, refer to Mont-Tremblant weather in February.
When comparing the weather of September and March, it's clear that both months present distinct climatic conditions. September typically experiences milder temperatures, with minimums around -2°C (28°F) and maximums reaching up to 30°C (86°F), resulting in an average of 13°C (56°F). In contrast, March is much colder, with temperatures ranging from a minimum of -27°C (-17°F) to a maximum of 15°C (59°F), averaging at a frigid -5°C (23°F). Precipitation levels are fairly similar, with September receiving 106 mm (4.2 in) over about 10 days, while March has slightly less at 92 mm (3.6 in) across 12 days. Humidity is notably higher in March at 90% compared to September's 78%, contributing to the overall chill of late winter. For more details on the weather specifics in March, visit Mont-Tremblant weather in March.
In comparing the weather of September and April, notable differences emerge. September boasts a wider temperature range, with minimums at -2°C (28°F) and maximums reaching up to 30°C (86°F), while April experiences a chillier minimum of -15°C (5°F) and a maximum of only 22°C (72°F). Both months see significant precipitation, with September receiving 106 mm (4.2 in) over 10 days and April slightly higher at 113 mm (4.4 in) over 14 days. Humidity levels also differ, with September at 78% and April higher at 86%. For a closer look at April's conditions, you can visit Mont-Tremblant weather in April.
September and May offer distinct weather characteristics, reflecting the transition from summer to fall in Mont-Tremblant. September boasts a wider temperature range, with a minimum of -2°C (28°F) and maximum of 30°C (86°F), averaging around 13°C (56°F). This month experiences about 106 mm (4.2 in) of precipitation over roughly 10 days, with humidity levels at 78%. In contrast, May presents slightly cooler temperatures, starting from a minimum of -5°C (23°F) and reaching up to 33°C (91°F), with an average of 11°C (52°F). The precipitation is comparable at 108 mm (4.2 in) but spans 13 days, with humidity slightly lower at 77%. For a deeper look into May’s weather specifics, visit Mont-Tremblant weather in May.
In comparing the weather of September and June, one can observe some interesting contrasts. September features a broader temperature range with minimums dipping to -2°C (28°F) and maximums reaching 30°C (86°F), while June typically sees minimums of 0°C (32°F) and maximums of 31°C (88°F). Rainfall is slightly more abundant in June, with precipitation totaling 119 mm (4.7 in) over an average of 14 days, compared to September's 106 mm (4.2 in) over 10 days. Furthermore, September tends to be more humid, with levels at 78%, compared to June’s 71%. For more detailed weather insights during this month, you can check out Mont-Tremblant weather in June.
When comparing the weather in September and July, September tends to have more variable temperatures, with a minimum of -2°C (28°F), an average of 13°C (56°F), and a maximum of 30°C (86°F). In contrast, July maintains a warmer range, featuring a minimum of 7°C (45°F), an average of 19°C (67°F), and a peak of 32°C (90°F). While September experiences 106 mm (4.2 in) of precipitation over about 10 days, July sees slightly more rain at 133 mm (5.2 in) over 15 days. Humidity levels are similar between the two months, with September at 78% and July at 79%. For more detailed insights about July weather, you can refer to Mont-Tremblant weather in July.
In comparing the weather of September to that of August, September experiences a broader temperature range, with minimums dropping to -2°C (28°F) and maximums reaching 30°C (86°F). In contrast, August maintains milder nights, with temperatures rarely dipping below 5°C (41°F) while averaging around 18°C (64°F). Precipitation levels are slightly lower in September at 106 mm (4.2 inches) over 10 days compared to August’s 117 mm (4.6 inches) over 15 days. Both months share the same humidity at 78%, providing a consistently damp atmosphere. For more specifics on August weather, check out Mont-Tremblant weather in August.
In September, temperatures vary significantly, with a minimum of -2°C (28°F) and a maximum of 30°C (86°F), averaging around 13°C (56°F). The month sees an average precipitation of 106 mm (4.2 in) spread over 10 days, with humidity at 78%. In contrast, October brings cooler temperatures, featuring a minimum of -10°C (14°F) and a maximum of 23°C (73°F), resulting in a lower average temperature of 7°C (44°F). The precipitation increases slightly to 125 mm (4.9 in) over 15 days, with humidity also rising to 87%. For more detailed information, you can check out the Mont-Tremblant weather in October.
September and November present stark contrasts in weather, particularly in temperature and overall conditions. September features a wider temperature range with a minimum of -2°C (28°F) and a maximum soaring to 30°C (86°F), while November experiences much colder temperatures, with a chilling minimum of -24°C (-11°F) and a maximum reaching only 20°C (68°F). Precipitation levels are slightly higher in November at 113 mm (4.4 in) compared to September’s 106 mm (4.2 in), but November also sees increased frequency with rainfall on 15 days compared to 10 days in September. Additionally, humidity rises to 90% in November, heightening the cold’s bite, compared to a more moderate 78% in September. For those interested in specific conditions during this time, you can explore more at Mont-Tremblant weather in November.
In September, temperatures in Mont-Tremblant exhibit a wide range, with a minimum of -2°C (28°F) and a maximum of 30°C (86°F), resulting in an average of 13°C (56°F). The month experiences approximately 106 mm (4.2 in) of precipitation over 10 days, with humidity levels around 78%. By contrast, December brings much colder conditions, with temperatures dropping significantly, featuring a minimum of -32°C (-25°F) and an average temperature of -9°C (16°F), peaking at 10°C (50°F). Although precipitation is slightly lower at 98 mm (3.9 in), it persists over 14 days, contributing to a higher average humidity level of 93%. For more details on December weather in this region, check out Mont-Tremblant weather in December.
As September rolls in at Mont-Tremblant, the weather showcases a remarkable transition from the warmth of summer to the crispness of fall. While temperatures can reach a balmy 30°C, the average cools down significantly, inviting visitors to enjoy a diverse outdoor experience. This month also presents a noticeable increase in precipitation, with about ten days of rain helping to nourish the vibrant autumn foliage. Coupled with a humidity level hovering around 78%, September offers a refreshing yet humid atmosphere, making it distinctly different from the drier summer months. For a deeper dive into the unique characteristics of Mont-Tremblant's weather patterns, visit Mont-Tremblant Climate.