Last updated: April 22, 2025
September in Sacre-Coeur, Canada, showcases a dynamic transition into autumn, with temperatures ranging from a maximum of 21°C (70°F) to a minimum of 2°C (36°F). The average temperature settles at a refreshing 12°C (53°F), creating a crisp atmosphere ideal for outdoor exploration. Visitors can expect moderate rainfall, totaling 102 mm (4.0 in) over approximately 12 days, contributing to the lush landscapes of the region. With humidity levels hovering around 85%, the air feels particularly invigorating, accentuating the beauty of this stunning locale during the early fall season.
As September rolls in, Sacre-Coeur, Canada begins to experience a gentle transition from the warmth of summer to the crispness of autumn. Average temperatures settle at a mild 12°C (53°F), with highs comfortably reaching 21°C (70°F), making it a pleasant time to enjoy the stunning fall foliage. In contrast to the chill of the preceding months, the minimum temperature hovers around 2°C (36°F), signaling the onset of cooler evenings. This month serves as a bridge from the warmer summer days of August, with its maximums near 24°C (75°F), to the drop into October, where temperatures begin to dip further into the single digits. Overall, September offers a delightful reprieve and a taste of the stunning changes that autumn has in store for this picturesque Canadian locale.
In September, Sacre-Coeur experiences a notable uptick in precipitation, with 102 mm (4.0 in) of rain falling over an average of 12 days. This suggests a transition into wetter autumn weather, contrasting with the drier summer months, which recorded lower rainfall totals like 74 mm (2.9 in) in August. September's rainfall is significant, surpassing both the preceding month and many other months earlier in the year, with April taking the lead at 106 mm (4.2 in). This increase indicates a shift towards the wetter conditions that are characteristic of the upcoming fall season, setting the stage for the 144 mm (5.7 in) deluge anticipated in October, when the days grow shorter and the landscape prepares for winter.
As summer fades and autumn approaches, September in Sacre-Coeur witnesses a noticeable shift in humidity, reaching a comfortable 85%. This marks a slight increase from the 83% observed in August, suggesting a transition from the warm, humid days of summer to the cooler, refreshing air of fall. Throughout the year, humidity levels in Sacre-Coeur typically peak in the colder months, starting at a staggering 94% in January and December, while gradually declining to a low of 74% in June. The trend shows a steady decrease in humidity from January through June, followed by a gradual rise from July onwards. Thus, September stands as a harmonious bridge between the lingering warmth of summer and the crispness of autumn, offering residents a refreshing reprieve from the more oppressive summer humidity.
As summer fades and autumn approaches, the September UV Index in Sacre-Coeur, Canada, settles at a notable 6, placing it in the high exposure category with a burn time of just 25 minutes. This marks a shift from the peak summer months, where indices soared to 9 in June, reflecting a steady trend of decreasing UV levels as the seasons change. However, compared to earlier months like April, with an index of 7, September still requires caution for outdoor activities, urging residents and visitors alike to prioritize sun protection. For those planning to enjoy the outdoors, being aware of these changes is essential. For more details, explore the Sacre-Coeur UV Index.
UV Risk Categories
September in Sacre-Coeur brings a delightful transition into fall, with 256 hours of sunshine illuminating the landscape. As the summer's warmth begins to wane, this month still enjoys a significant share of bright days that linger from the peak summer months of July and August, which boasted 356 and 341 hours of sunlight, respectively. This subtle decline in sunlight hours is a natural progression, following a vibrant summer and preceding the more subdued twilight of autumn. With sunlight hours gradually decreasing as the year marches on—falling to 191 hours by October—the crisp September air complements the golden hues of the changing foliage, reminding residents to savor the vibrant beauty of the season before the colder months arrive.
In September, Sacre-Coeur experiences a 39% chance of sunny weather, which aligns closely with the average conditions seen throughout the year. This percentage is an improvement from the summer months, with August boasting a slightly higher 45% chance of sunshine. However, as the region transitions into autumn, the likelihood of clear skies dips slightly, reminiscent of the cool and refreshing days of early fall. Notably, September’s sun probability surpasses January’s dismal 28%, but is lower than the optimistic 44% found in May. This trend suggests that while summer may offer the best chances for sunny outings, September still presents a decent opportunity for those looking to enjoy the stunning natural beauty of the region before the chill of winter sets in.
As summer fades, September in Sacre-Coeur marks a gentle transition in daylight duration, offering 12 hours of sunlight. Following the peak of 15 hours in June through August, September experiences a slight decline, reflecting the gradual approach of autumn. This decrease from the vibrant summer months is accompanied by the crispness in the air, hinting at the cozy nights ahead. The trend of longer days from January's modest 8 hours steadily rises into spring and summer, illustrating the region's shift from winter's long nights to vibrant summer days, before tapering off once again into the shorter twilight months of October and November. As the leaves begin to change and the days shorten, September serves as a beautiful reminder of nature's cyclical dance between light and dark.
In Sacre-Coeur, Canada, the winds of September bring a gentle breeze, averaging 3.7 m/s (8 mph). This marks a subtle resurgence from the calmer summer months, where July and August recorded their lowest winds of the year at 3.5 m/s and 3.1 m/s respectively. As the transition to autumn begins, September stands out as a moment of renewal, setting the stage for the invigorating gusts to follow in the cooler months. Notably, the wind speeds will climb again in the upcoming months, peaking in December at 4.6 m/s, reminding us of the dynamic shifts that each season holds in this picturesque region. Overall, September’s breezes are a delightful prelude to the brisk winds of fall, inviting both reflection and anticipation.
The weather in Sacre-Coeur 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 Sacre-Coeur and find detailed weather information for every month.
September and January present a stark contrast in weather conditions. September features milder temperatures ranging from a minimum of 2°C (36°F) to a maximum of 21°C (70°F), with an average around 12°C (53°F). This month also experiences significant rainfall, with 102 mm (4.0 in) of precipitation over approximately 12 days and a humidity level of 85%. In contrast, January brings much harsher conditions, with temperatures plummeting to a minimum of -27°C (-16°F) and averaging -11°C (12°F). The maximum temperature in January reaches only 6°C (43°F), and despite slightly lower precipitation at 80 mm (3.1 in) over 10 days, the humidity is notably higher at 94%. For a closer look at January weather specifics, you can check out Sacre-Coeur weather in January.
September and February present contrasting weather patterns that reflect the transition from late summer to mid-winter. In September, temperatures generally range from a minimum of 2°C (36°F) to a maximum of 21°C (70°F), with an average of 12°C (53°F), creating a mild environment suitable for outdoor activities. However, this month also experiences significant precipitation, accumulating 102 mm (4.0 in) over approximately 12 days, accompanied by high humidity levels of 85%.
In stark contrast, February showcases the depth of winter with frigid temperatures, which drop as low as -25°C (-12°F) and average around -10°C (14°F), peaking at only 5°C (41°F). This month receives less precipitation, totaling 69 mm (2.7 in) over about 10 days, but it is characterized by a higher humidity of 93%. For further details on February weather, you can explore Sacre-Coeur weather in February.
In comparing the weather between September and March, we can see striking differences in temperature and conditions. September typically boasts milder temperatures, ranging from a minimum of 2°C (36°F) to a comfortable maximum of 21°C (70°F), with an average of 12°C (53°F) and 102 mm (4.0 in) of precipitation over 12 days, alongside a humidity level of 85%. In contrast, March presents a much colder climate, with minimum temperatures plunging to -24°C (-11°F) and an average of -5°C (23°F), peaking at only 11°C (51°F). Precipitation is slightly less at 93 mm (3.7 in) over 11 days, and humidity remains high at 91%. For a closer look at weather specifics, you can check out Sacre-Coeur weather in March.
September and April exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a pleasant maximum of 21°C (70°F), averaging around 12°C (53°F). This month experiences moderate rainfall, with approximately 102 mm (4.0 in) spread over 12 days, and an average humidity of 85%. Conversely, April sees much colder conditions, with temperatures dropping to a minimum of -12°C (11°F) and reaching a maximum of 12°C (54°F), averaging just 1°C (34°F). Precipitation levels are slightly higher at 106 mm (4.2 in) over 14 days, accompanied by a humidity level of 89%. For more detailed insights into April's climate, you can check Sacre-Coeur weather in April.
In comparing the weather of September and May, we see distinct differences in temperature and humidity. September tends to be warmer, with average temperatures ranging from a cool 12°C (53°F) to a pleasant high of 21°C (70°F), while May shows a wider fluctuation from a chilly minimum of -5°C (23°F) to a maximum of 23°C (73°F). Both months experience similar levels of precipitation, with September receiving 102 mm (4.0 in) and May slightly less at 90 mm (3.5 in), but May has a lower humidity level at 82% compared to September's 85%. For a closer look at the specifics of May weather, you can visit Sacre-Coeur weather in May.
In comparing the weather of September to June, September generally exhibits cooler temperatures, with a maximum of 21°C (70°F) compared to June's warmer peak of 26°C (79°F). Both months experience a similar number of rainy days, with September receiving 102 mm (4.0 in) of precipitation, slightly more than June's 87 mm (3.4 in). Humidity levels are higher in September at 85%, while June has a more comfortable 74%. For more detailed insights about June weather conditions, you can check Sacre-Coeur weather in June.
In comparing the weather between July and September, we see notable differences in temperature and precipitation. July typically experiences milder temperatures with a minimum of 8°C (46°F) and a maximum of 25°C (77°F), resulting in a pleasant average of 16°C (61°F). In contrast, September presents cooler conditions, where temperatures range from a minimum of 2°C (36°F) to a maximum of 21°C (70°F), with an average of 12°C (53°F). Additionally, September receives more rainfall than July, totaling 102 mm (4.0 in) compared to July's 82 mm (3.2 in), despite both months experiencing precipitation on about 12 days. The humidity in September is slightly higher at 85%, while July maintains a comfortable 80%. For a more in-depth look at July weather, you can refer to Sacre-Coeur weather in July.
September's weather is notably cooler than August, with morning temperatures dropping to a minimum of 2°C (36°F) compared to August's milder 7°C (44°F). The average temperature in September lingers around 12°C (53°F), which is a significant decrease from August's average of 16°C (61°F). Although both months experience similar rainfall, with September receiving 102 mm (4.0 in) over 12 days and August receiving 74 mm (2.9 in) over 11 days, September tends to feel more humid, averaging 85% humidity compared to August's 83%. Overall, September marks a transition into cooler, wetter conditions. For more detailed weather data in August, visit Sacre-Coeur weather in August.
September typically offers milder temperatures, with averages around 12°C (53°F) and highs reaching up to 21°C (70°F), while October ushers in a notable drop, with average temps around 6°C (43°F). The increase in precipitation from September's 102 mm (4.0 in) to October's 144 mm (5.7 in) suggests that October tends to be a wetter month as well, experiencing rainfall on about 13 days. Humidity also rises slightly, reaching 88% in October compared to 85% in September. For more details about local weather patterns, you can check out Sacre-Coeur weather in October.
September and November exhibit markedly different weather patterns, reflecting the transition from early fall to late autumn. In September, temperatures typically range from a minimum of 2°C (36°F) to a comfortable maximum of 21°C (70°F), with an average of 12°C (53°F). The month sees about 102 mm (4.0 in) of precipitation over roughly 12 days, accompanied by high humidity levels at 85%. In contrast, November ushers in much colder temperatures, with a minimum of -14°C (7°F) and an average of -1°C (30°F), peaking at 16°C (60°F). Despite the colder climate, November's precipitation is slightly higher at 107 mm (4.2 in), also spread over 12 days, while humidity rises to 89%. For a more detailed look at the weather in November, you can visit Sacre-Coeur weather in November.
September and December present stark contrasts in weather. September typically sees milder temperatures, with averages around 12°C (53°F) and maximums reaching 21°C (70°F), while December plummets to an average low of -8°C (18°F) and can drop as low as -23°C (-8°F). Precipitation is fairly consistent between the two months, with September receiving 102 mm (4.0 in) over 12 days and December slightly less at 89 mm (3.5 in) over 11 days. Additionally, humidity levels are higher in December at 94%, compared to September's 85%, contributing to a more biting cold. For those interested in more specifics, you can check the Sacre-Coeur weather in December.
September in Sacre-Coeur marks a transition as the warmth of summer gradually gives way to the crispness of autumn. With an average temperature hovering around 12°C, days are pleasantly mild yet capped by the growing chill of evenings. This month sees a notable increase in precipitation, with rain gracing over a third of the days, which can make for a more humid environment, often exceeding 85%. The combination of these elements creates a unique atmosphere, where the vibrant fall foliage contrasts beautifully with cloudy skies, offering a different experience compared to the sunnier months of summer. For a deeper dive into the seasonal changes, check out Sacre-Coeur Climate.