Last updated: April 22, 2025
In September, Quebec, Canada experiences a delightful transition from summer to autumn, with temperatures ranging from a maximum of 30°C (86°F) to a minimum of -2°C (29°F), averaging around 15°C (58°F). This month brings approximately 93 mm (3.7 in) of rainfall over 10 days, contributing to the region's lush landscapes. With humidity levels hovering around 81%, visitors can expect a refreshing yet crisp atmosphere, ideal for enjoying the vibrant fall foliage and rich cultural experiences that Quebec has to offer.
As September unfolds in Quebec, Canada, temperatures begin to softly dip from the summer warmth, providing a refreshing transition into autumn. With minimums averaging around -2°C (29°F) and daytime highs peaking at a pleasant 30°C (86°F), the month typically presents a delightful blend of cool and warm days. The average temperature settles around 15°C (58°F), encouraging both locals and visitors to revel in outdoor activities amidst the vibrant foliage. This month marks the gradual shift from the sweltering heat of summer to the crispness of fall, making it an ideal time to experience the region's breathtaking landscapes and seasonal charm.
September in Quebec marks a transition as the summer warmth begins to wane, reflecting in its precipitation patterns. With an average rainfall of 93 mm (3.7 in) spread over 10 days, September generally sees slightly less precipitation compared to the preceding months. This dip follows a wet summer, characterized by higher rainfall in June (125 mm) and August (119 mm). Notably, September’s precipitation acts as a cushion before the significant increase in rainfall seen in October, which jumps to 134 mm (5.3 in) over 14 days. This cyclic trend highlights the gradual shift in Quebec’s weather, with September serving as a bridge between the lush summer and the onset of autumn’s more turbulent precipitation.
As summer transitions into fall, September in Quebec, Canada maintains a moderate humidity level of 81%, mirroring the moisture of the preceding months, July and August. This period marks a shift from the sultry heights of summer towards the crisper air of autumn. The gradual decline in humidity from a peak of 95% in January to the more balanced levels experienced during late summer and early fall illustrates a refreshing trend. Following September, humidity begins to rise again as the year converges into the cooler months, highlighting the cyclical nature of Quebec's climate and setting the stage for the wetter days of October.
As September rolls in, Quebec experiences a noticeable shift in its UV Index, dropping to 7, which signifies a high exposure category. This marks a decline from the peak very high levels seen in the summer months, making the burn time slightly safer at 25 minutes. Interestingly, the trend reveals how the UV Index starts high in the spring, peaks during the summer, and gradually decreases as fall approaches. This seasonal transition invites residents and visitors to enjoy the outdoors while still being mindful of sun protection. For those planning outdoor activities, it’s vital to stay informed about the UV Index and protect your skin accordingly. To explore more about UV levels in the region, check out Quebec UV Index.
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In September, Quebec basks in a delightful transition as the days gradually shorten but still offer a substantial 263 hours of sunshine. This month emerges after the sun-drenched peak of summer, where July shines the brightest with 349 hours. As the warmth begins to wane, September retains a generous amount of daylight, bridging the vibrant energy of summer with the crispness of fall. The sunshine hours dip from the summer highs, yet they remain significantly higher than the winter months, reinforcing September's charm as a golden period for outdoor activities, foliage viewing, and a slower pace of life. As the leaves start to turn, this month encapsulates the best of both worlds, inviting residents and visitors alike to embrace the beauty of an evolving Quebec landscape.
As September rolls in, Quebec experiences a transition in weather, with a 38% likelihood of sunny days. While this marks a slight dip from the summer months, where the chances hovered between 31% and 41%, it still reflects a notable resiliency against the impending autumn chill. This month stands as a reminder of summer's last hurrah, inviting residents to soak up the sun before the shorter days set in. Compared to October's 36%, September offers a window of opportunity for outdoor activities, bridging the warmth of summer with the cozy embrace of fall. Overall, while sunny days aren’t guaranteed, September manages to maintain a respectable chance for sunshine, making it a captivating time in Quebec’s vibrant seasonal cycle.
As summer gives way to autumn, September in Quebec marks a gentle transition in daylight duration, with an average of 12 hours of sunlight gracing the days. This month serves as a bridge between the long summer days—peaking at 15 hours in June, July, and August—and the shorter days of fall, with October seeing a decrease to 10 hours. The gradual winding down of daylight reflects nature's shift, inviting vibrant autumn colors while hinting at the cozy introspection of impending winter. It's a time where the sun still shines brightly enough to enjoy the outdoors, yet the days grow just a little shorter, wrapping the province in a serene sense of change.
As September unfolds in Quebec, the average wind speed settles at 2.6 m/s (6 mph), reflecting a gentle breeze that whispers of the transition from summer to autumn. This month marks a slight decline from the summer's peak winds, where July and August averaged around 2.5 to 2.8 m/s. Interestingly, September's winds are reminiscent of the stillness of June and July, yet they subtly signal a shift towards the invigorating gusts that typically arrive in October and November. This gradual fluctuation hints at the coming seasonal change, inviting residents to enjoy the crisp air as nature prepares for the vibrant hues of fall.
The weather in Quebec 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 Quebec and find detailed weather information for every month.
September and January present starkly contrasting weather conditions. In September, temperatures range significantly from a minimum of -2°C (29°F) to a maximum of 30°C (86°F), averaging around 15°C (58°F), with a relative humidity of 81% and about 93 mm (3.7 in) of precipitation spread over 10 days. Conversely, January is much colder, with temperatures plummeting to a minimum of -31°C (-23°F) and peaking at only 10°C (50°F), resulting in an average of -10°C (15°F). The precipitation in January is slightly lower at 91 mm (3.6 in), but it occurs over more days, totaling 12, and the humidity is higher at 95%. For more details, you can check Quebec weather in January.
September and February in Quebec showcase starkly contrasting weather patterns. In September, temperatures range from a chilly -2°C (29°F) at night to a warm 30°C (86°F) during the day, with an average of 15°C (58°F). This month experiences an average of 93 mm (3.7 in) of precipitation over about 10 days, accompanied by a humidity level of 81%. In sharp contrast, February brings frigid conditions, with temperatures plummeting to a minimum of -25°C (-14°F) and an average high of only 8°C (46°F), resulting in an average of -8°C (17°F). Despite slightly lower precipitation at 87 mm (3.4 in) over approximately 13 days, the humidity is higher at 93%. For a more thorough understanding of February’s chilly climate, you can explore Quebec weather in February.
The weather in September and March exhibits stark contrasts, particularly in temperature and general climate conditions. September enjoys a wider range of temperatures, with a minimum of -2°C (29°F), an average of 15°C (58°F), and a maximum reaching 30°C (86°F). This month sees an average humidity of 81% and precipitation of 93 mm (3.7 in) over approximately 10 days. In contrast, March is considerably colder, with temperatures dipping to a minimum of -25°C (-13°F) and averaging -4°C (26°F), with a maximum of only 15°C (59°F). The precipitation in March is similar at 94 mm (3.7 in) but typically falls during the same number of days, with higher humidity levels at 90%. The cold snap in March is indicative of winter's lingering presence compared to the milder, more pleasant conditions of September. For more detailed insights into March weather specifically, you can refer to Quebec weather in March.
September and April showcase contrasting weather patterns, with September generally offering milder temperatures. In September, temperatures range from a chilly -2°C (29°F) at night to a warm 30°C (86°F) during the day, averaging around 15°C (58°F). The month experiences about 93 mm (3.7 in) of precipitation over 10 days, while humidity averages 81%.
Conversely, April is much cooler, with temperatures dipping as low as -14°C (8°F) at night and peaking at 20°C (69°F), averaging only 4°C (39°F). Precipitation is slightly higher in April, totaling 122 mm (4.8 in) over 13 days, accompanied by a higher humidity level of 87%. For a detailed look at the weather during this month, check out Quebec weather in April.
September and May present contrasting weather patterns. In September, temperatures range from a minimum of -2°C (29°F) to a maximum of 30°C (86°F), with an average of 15°C (58°F). The month experiences considerable moisture, with 93 mm (3.7 in) of precipitation over about 10 days and a humidity level of 81%. In contrast, May has slightly cooler temperatures, starting from a minimum of -3°C (28°F) and reaching up to 33°C (91°F), with an average temperature of 12°C (54°F). It sees a bit more rainfall, totaling 99 mm (3.9 in) across approximately 14 days, while maintaining a lower humidity at 79%. For more detailed insights on May weather, visit Quebec weather in May.
In comparing the weather of September and June, we see notable differences in temperature and precipitation patterns. September experiences a broader temperature range, with minimums dipping to -2°C (29°F) and maximums reaching up to 30°C (86°F), while June maintains milder temperatures with minimums starting at 2°C (35°F) and highs peaking at 33°C (91°F). Precipitation is slightly higher in June at 125 mm (4.9 in) over 14 days, compared to September's 93 mm (3.7 in) spread over 10 days. Additionally, humidity levels are elevated in September at 81%, contrasting with June's lower 73%. For further details, you can check out Quebec weather in June.
When comparing the weather in September and July, notable differences emerge between the two months. September typically sees a broader temperature range, with minimums dropping to -2°C (29°F) and maximums reaching up to 30°C (86°F), resulting in an average temperature of 15°C (58°F). In contrast, July is warmer, with minimums around 8°C (47°F) and maximums peaking at 34°C (93°F), yielding an average temperature of 20°C (69°F). Both months experience similar humidity levels at 81%, but July tends to have more precipitation, with 104 mm (4.1 in) over 14 days compared to September's 93 mm (3.7 in) over 10 days. For more details on the specific weather conditions, you can check out Quebec weather in July.
September generally experiences a broader temperature range compared to August, with minimum temperatures dipping to -2°C (29°F) and maximums reaching up to 30°C (86°F). In contrast, August maintains milder conditions, with minimums around 7°C (45°F) and maximums at 31°C (88°F). Both months share high humidity levels of 81%, but September sees a decrease in precipitation, averaging 93 mm (3.7 in) over 10 days, while August has a higher total of 119 mm (4.7 in) over 14 days. For more detailed insights on August weather, you can visit Quebec weather in August.
In September, temperatures range from a chilly -2°C (29°F) at night to a warm 30°C (86°F) during the day, with an average of 15°C (58°F). The month sees about 93 mm (3.7 in) of precipitation over approximately 10 days, with humidity at 81%. In contrast, October brings a notable drop in temperatures, with minimums plunging to -7°C (20°F) and daytime highs around 22°C (72°F), resulting in an average of just 8°C (47°F). Rainfall increases to 134 mm (5.3 in) over 14 days, and humidity rises slightly to 87%. For more detailed insights into October’s weather, visit Quebec weather in October.
September and November showcase a striking contrast in weather. In September, temperatures range from a brisk -2°C (29°F) at night to a warm 30°C (86°F) during the day, with an average of around 15°C (58°F). The month sees about 93 mm (3.7 in) of precipitation over 10 days, coupled with a relatively high humidity of 81%. In contrast, November experiences much colder temperatures, with nighttime lows plummeting to -18°C (0°F) and daytime highs reaching only up to 20°C (68°F), resulting in an average temperature of 0°C (32°F). Additionally, November is wetter, accumulating 132 mm (5.2 in) of rainfall over 13 days, and the humidity increases slightly to 89%. For more detailed information, you can check Quebec weather in November.
September and December present starkly contrasting weather conditions. In September, temperatures range from a chilly -2°C (29°F) at night to a warm 30°C (86°F) during the day, with an average of 15°C (58°F). The month sees about 93 mm (3.7 in) of precipitation spread over 10 days, and humidity levels remain relatively high at 81%. In contrast, December brings much colder temperatures, with a minimum of -26°C (-15°F) and an average of -7°C (20°F), peaking at just 13°C (56°F). Precipitation increases slightly to 105 mm (4.1 in) over 12 days, while humidity rises to 92%. For a more detailed look at December conditions, visit Quebec weather in December.
As summer transitions to fall, September in Quebec showcases a distinct shift in weather patterns that sets it apart from the warmer months. With temperatures varying from cool mornings to pleasantly warm afternoons, this month offers a refreshing blend of warmth and crispness. While average highs can still reach up to 30°C, the cooler lows drop to around -2°C, emphasizing the seasonal change. Precipitation is also more pronounced with about 10 rainy days, making it an important time for nurturing the changing landscape. Coupled with high humidity levels, September presents a unique tapestry of weather experiences, heralding the beauty of autumn. For a deeper dive into what defines the climate of this remarkable province, explore Quebec Climate.