Last updated: April 28, 2025
In September, Tadoussac, Canada, offers a refreshing climate characterized by a maximum temperature reaching 21°C (70°F) and an average of 12°C (53°F). Visitors can expect cool mornings and evenings, with nighttime temperatures dipping to a minimum of 2°C (36°F). While the month experiences significant precipitation, totaling 102 mm (4.0 in) over approximately 12 days, the lush surroundings thrive in this humidity-rich environment; with an average humidity level of 85%, the air feels brisk and invigorating. Whether you're exploring local trails or taking in the breathtaking views along the shoreline, September in Tadoussac promises a unique blend of natural beauty and dynamic weather.
In September, Tadoussac begins to transition from the warmth of summer to the crispness of autumn. The minimum temperature dips to a cool 2°C (36°F), while the average settles around a comfortable 12°C (53°F), offering a refreshing respite from the summer heat. With a maximum reaching up to 21°C (70°F), the days still hold onto warmth, allowing for enjoyable outdoor activities amidst stunning fall foliage. This month marks a shift, as temperatures start to decline steadily, transitioning into the cooler months ahead, inviting visitors to experience the serene beauty of the region as summer's warmth gives way to fall's vibrant colors.
In September, Tadoussac experiences a notable uptick in precipitation, accumulating 102 mm (4.0 in) over 12 days. This marks an increase from the drier summer months, as August's rainfall measured only 74 mm (2.9 in). The trend suggests that as summer gives way to fall, the region welcomes a more substantial share of rain, setting the stage for the wetter conditions that characterize October, with its average of 144 mm (5.7 in). This transition not only enriches the landscape but also prepares the area for the vibrant autumn foliage that follows, as rainfall becomes a crucial component in supporting the seasonal changes.
As the summer fades into autumn, September in Tadoussac, Canada, brings a slight rise in humidity, averaging 85%. After experiencing a peak of 83% in August, the transition to September shows a mild increase, suggesting a lingering warmth in the air as the season changes. The humidity remains significantly high compared to drier months like June, which dipped to 74%, and it hints at the region's overall moisture-rich climate, where levels persistently hover above 80% throughout the warmer months. This consistency underscores Tadoussac's position as a lush, inviting locale, even as it prepares for the cooler air of autumn and winter.
In September, Tadoussac experiences a notable shift in UV exposure, with a UV Index rating of 6, placing it in the high exposure category. This change reflects a gradual cooling as summer transitions into fall. Interestingly, the burn time increases to 25 minutes, compared to the scorching days of summer when burn times were as short as 15 minutes. This trend indicates that while UV levels remain significant, they are beginning to ease as the days grow shorter. Visitors and residents alike should still take precautions during outdoor activities. For detailed insights on UV levels throughout the year, check out the Tadoussac UV Index.
UV Risk Categories
As summer gracefully transitions into autumn, September in Tadoussac, Canada, basks in a delightful 256 hours of sunshine. This notable decline from the sun-drenched peak of July, which boasts 356 hours, reflects the changing seasons but still offers ample opportunity for outdoor exploration. The warmer months of May through August show a consistent upward trend in sunshine, peaking in July, while September retains a respectable amount of sunlight compared to the earlier months of the year, such as January with only 123 hours. As the year progresses, light gradually diminishes, leading into the cooler October with 191 hours—yet September remains a vibrant month for those seeking to enjoy the brisk, refreshing air under sunny skies before winter sets in.
In Tadoussac, Canada, September brings a moderate 39% chance of sunny weather, closely following the summer months where August boasts the highest likelihood of sunshine at 45%. While September's sun-soaked days are less frequent than those in August, they still offer a pleasant transition into autumn. Interestingly, this month surpasses several other months such as January and October, which record lower probabilities of sunny skies at 28% and 29%, respectively. As the leaves begin to change and the air turns crisp, September presents a delightful opportunity to enjoy the tail end of summer warmth with a reasonable expectation of sunshine.
As summer fades and autumn begins, September in Tadoussac, Canada experiences a gentle reduction in daylight, averaging around 12 hours. This marks a transition from the long, sun-filled days of July and August, which enjoy up to 15 hours of daylight. The gradual decline continues as the region prepares for the shorter days of fall and winter. Interestingly, this month serves as a bridge; while it bids farewell to the vibrant summer light, it still offers significantly more daylight than the deep winter months ahead, with only 8 hours in January and December. Thus, September encapsulates a unique blend of lingering summer warmth and the early whispers of autumn, inviting both reflection and exploration.
In Tadoussac, Canada, September marks a subtle transition in the wind patterns as the average wind speed settles at 3.7 m/s (8 mph). This slight increase from the summer months suggests a gentle shift away from the calm breezes of July and August, which recorded their lowest averages at 3.5 m/s and 3.1 m/s, respectively. As autumn approaches, the winds pick up again, but they remain especially mild compared to the winter months. Following September, the winds dip further, echoing the calmness of late summer, before gradually gaining strength again in November. This rhythm of wind reflects the changing seasons, inviting visitors to experience the serene beauty of the region during this transitional period.
The weather in Tadoussac 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 Tadoussac and find detailed weather information for every month.
September and January present strikingly different weather conditions. In September, temperatures range from a cool minimum of 2°C (36°F) to a pleasant maximum of 21°C (70°F), with an average of 12°C (53°F). The month experiences significant rainfall with 102 mm (4.0 in) over about 12 days and a humidity level of 85%. In contrast, January is much colder, featuring a minimum temperature plummeting to -27°C (-16°F) and a maximum of just 6°C (43°F), averaging -11°C (12°F). Although January sees slightly less precipitation at 80 mm (3.1 in) over 10 days, the humidity rises to 94%, creating a frigid atmosphere. For a detailed look at January's weather specifics, visit Tadoussac weather in January.
September and February present stark contrasts in weather conditions. September typically welcomes milder temperatures, ranging from a minimum of 2°C (36°F) to a comfortable average of 12°C (53°F), with highs reaching up to 21°C (70°F). The month sees a fair amount of precipitation, with about 102 mm (4.0 in) spread over approximately 12 days, accompanied by a high humidity level of 85%.
In contrast, February plunges into a cold winter, with temperatures dropping significantly to a minimum of -25°C (-12°F) and an average of -10°C (14°F), peaking only at around 5°C (41°F). This month experiences lesser precipitation, recorded at 69 mm (2.7 in) over 10 days, but with an even higher humidity of 93%. For more details on winter conditions, you can visit Tadoussac weather in February.
In comparing the weather of September and March, one can note significant contrasts. September enjoys milder temperatures, ranging from a minimum of 2°C (36°F) to a maximum of 21°C (70°F), with an average of 12°C (53°F). The month experiences 102 mm (4.0 in) of precipitation across 12 days and a humidity level around 85%. In stark contrast, March is characterized by colder temperatures, with lows dropping to -24°C (-11°F) and highs reaching only 11°C (51°F), averaging -5°C (23°F). The precipitation level in March is slightly lower at 93 mm (3.7 in) over 11 days, accompanied by a higher humidity of 91%. For a more detailed view of March weather in the region, check out Tadoussac weather in March.
When comparing the weather in September and April, we see significant differences in temperature and conditions. September enjoys milder temperatures, with averages around 12°C (53°F) and peaks reaching up to 21°C (70°F), while April experiences colder temperatures, averaging only 1°C (34°F) and struggling to reach a maximum of 12°C (54°F). Although September has slightly less precipitation at 102 mm (4.0 in) over 12 days compared to April's 106 mm (4.2 in) over 14 days, the humidity levels remain high, with September at 85% and April slightly higher at 89%. For more detailed insights into April's weather, you can check Tadoussac weather in April.
In September, the weather in Tadoussac features a more moderate temperature range, with minimums around 2°C (36°F) and maximums reaching up to 21°C (70°F). The average temperature sits at 12°C (53°F), accompanied by higher humidity levels of 85% and significant precipitation of 102 mm (4.0 in) over 12 days. Conversely, May experiences cooler temperatures, with a minimum of -5°C (23°F) and an average of 7°C (45°F), though it can also reach a maximum of 23°C (73°F). With slightly less precipitation at 90 mm (3.5 in) over the same number of days, May's humidity is marginally lower at 82%. For a closer look at May's weather specifics, you can check out Tadoussac weather in May.
In comparing the weather of September and June, September tends to be slightly cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 21°C (70°F), while June boasts warmer temperatures, averaging from 3°C (37°F) to 26°C (79°F). Additionally, September experiences more precipitation, with 102 mm (4.0 in) over 12 days, compared to June's 87 mm (3.4 in) during the same number of days. The humidity is also higher in September at 85%, contrasting with June's more comfortable 74%. For a closer look at the conditions, you can find detailed information at Tadoussac weather in June.
In comparing the weather between July and September, it's evident that July tends to be warmer, with average temperatures reaching 16°C (61°F) and highs of 25°C (77°F), whereas September sees cooler averages of 12°C (53°F) and maximums around 21°C (70°F). Additionally, July experiences slightly less precipitation at 82 mm (3.2 in) over 12 days, compared to September's 102 mm (4.0 in) under similar conditions. Humidity levels are also relatively high in both months, with July at 80% and September increasing to 85%. For more specific details, you can check Tadoussac weather in July.
In comparison to August, September experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 12°C (53°F), whereas August has a minimum of 7°C (44°F) and an average of 16°C (61°F). The maximum temperature in September also drops to 21°C (70°F) compared to August's peak of 24°C (75°F). Additionally, September is wetter, with 102 mm (4.0 in) of precipitation over 12 days, compared to August's 74 mm (2.9 in) over 11 days. While both months are fairly humid, September's humidity averages at 85%, slightly higher than August's 83%. For more details, check out Tadoussac weather in August.
In September, the weather is generally milder with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 21°C (70°F) and an average of 12°C (53°F). The month experiences about 102 mm (4.0 in) of precipitation over 12 days, along with a humidity level of 85%. In contrast, October brings a noticeable chill, with temperatures dropping to a minimum of -6°C (22°F) and an average of 6°C (43°F), peaking at 17°C (63°F). Additionally, October tends to be wetter, with 144 mm (5.7 in) of precipitation over 13 days and slightly higher humidity at 88%. For more detailed insights, check out Tadoussac weather in October.
In September, the weather typically ranges from a minimum of 2°C (36°F) to a pleasant maximum of 21°C (70°F), with an average of 12°C (53°F). Precipitation is around 102 mm (4.0 in) over 12 days, while humidity hovers at 85%. In contrast, November sees much colder temperatures, dropping to a minimum of -14°C (7°F) and reaching a maximum of 16°C (60°F), with an average temperature of -1°C (30°F). The month experiences slightly higher precipitation at 107 mm (4.2 in), also over 12 days, along with increased humidity at 89%. For a more detailed look at the weather specifics, you can visit Tadoussac weather in November.
The weather in September is notably milder compared to December. In September, 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), making it a comfortable month with relatively high humidity at 85%. In contrast, December brings frigid temperatures, with lows plummeting to -23°C (-8°F) and an average of -8°C (18°F), while highs only reach up to 8°C (48°F). Despite slightly lower precipitation at 89 mm (3.5 in) across 11 days compared to September’s 102 mm (4.0 in) over 12 days, the humidity in December is higher at 94%, contributing to a harsh winter atmosphere. For more details, check out Tadoussac weather in December.
As summer transitions to autumn, September in Tadoussac brings a refreshing change in weather, marked by crisp air and vibrant foliage. With daytime temperatures gently averaging around 12°C (53°F), the warmth of late summer gives way to cooler, more comfortable conditions. Unlike the peak humid days of summer, September's 85% humidity makes the air feel fresher but also sets the stage for increased rainfall, with 12 days witnessing 102 mm (4.0 in) of precipitation. This month embodies a unique charm as nature prepares for winter, offering a picturesque setting for visitors to appreciate the stunning landscapes. For more details on year-round weather patterns, visit Tadoussac Climate.