Last updated: April 22, 2025
In September 2023, Sutton, Canada, experienced a dynamic weather pattern marked by a maximum temperature of 30°C (87°F) and an average of 15°C (59°F). As the month progressed, temperatures dipped to a minimum of -4°C (26°F), showcasing the onset of autumn. Rainfall was prominent, with a total precipitation of 84 mm (3.3 in) over 11 rainy days, contributing to a humid atmosphere with an average humidity level of 78%. This combination of warmth and moisture set the stage for a vibrant, transitional month in Sutton's climate.
In September, Sutton, Canada unfolds a seasonal transition as temperatures begin to cool from the summer heat. The month kicks off with a mild average of 15°C (59°F), showcasing comfortable conditions ideal for outdoor activities. Morning temperatures dip to around -4°C (26°F), hinting at the onset of autumn chills, while daytime highs can still reach a warm 30°C (87°F), offering a delightful mix of summer's last warm embrace. This gradual shift marks a trend from the summer's warmth, setting the stage for cooler months ahead, as nature prepares to don its vibrant fall attire.
September in Sutton, Canada, welcomes the transition to autumn with a noticeable dip in precipitation, recording 84 mm (3.3 in) over 11 days. This reduction follows the late summer months, which typically see higher rainfall, with July peaking at 128 mm (5.1 in) and August not far behind at 113 mm (4.5 in). As the days grow shorter and cooler, September marks a turning point, signaling the onset of the drier season ahead. This trend sets the stage for October's increase, where precipitation typically rises again, reaching 150 mm (5.9 in), preceding the chill of winter.
In September, Sutton, Canada, experiences a slight uptick in humidity, with levels reaching 78%. This month marks a transition from the summer's drier conditions, as August recorded a humidity of 75%. Overall, the trend throughout the year shows that Sutton maintains higher humidity levels in the colder months, peaking in the early winter with January's impressive 93%. As autumn unfolds, September's humidity reflects the gradual return to the wetter conditions that characterize the later months, paving the way for the chillier and damp days of fall.
As summer fades into fall in Sutton, Canada, the UV Index begins its gradual decline. In September, the UV Index stands at 7, signaling a high exposure category, with a burn time of 25 minutes. This marks a slight drop from the peak values of 9 in June and July, which reflect the intense summer sun. However, the UV Index remains significantly higher than during the winter months, where it dips to a low of 2 in January. Those enjoying the pleasant September days should remain vigilant about sun protection, as the sun can still deliver powerful rays. For more detailed information and updates, visit Sutton UV Index.
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September in Sutton, Canada, basks in a radiant 288 hours of sunshine, marking a delightful transition into autumn. As summer gradually fades, the sun continues to shine brightly, providing ample opportunities for outdoor activities and enjoying the crisp, colorful landscapes. This month holds a significant position in the yearly trend, with its sunlight closely shadowing the peak summer months of July and August, which boast 334 and 335 hours respectively. The gentle decline in sunshine from the summer's zenith doesn’t overshadow the vibrant tapestry of early fall, highlighting September as a remarkable time for warmth and light before the cooler months set in.
In Sutton, Canada, September ushers in the beginning of autumn with a 36% chance of sunny weather, a figure consistent with the summer months but notably lower than the early spring peak of 41% in March. This transitional period reflects a subtle decline in sunshine compared to the sunniest months of June and August, which both boast similar sunny probabilities at 36% and 38% respectively. As the year progresses, the likelihood of sunny days wanes, dropping to 28% by October and reaching a low of 25% in the heart of winter. Thus, while September still retains a fair measure of sun, it serves as a gentle reminder of the cooler days ahead.
As summer transitions to autumn, September in Sutton, Canada, offers a delightful balance of daylight, boasting 12 hours of sunlit hours. This marks a slight decline from the peak of 15 hours during the vibrant summer months of June and July, yet it remains significantly brighter than the shorter days of winter. After enjoying longer days in May and June, residents can still relish a generous amount of daylight in September, which gradually decreases to 10 hours by October. This ongoing shift highlights the rhythmic nature of seasons, inviting the community to embrace the crisp air and colorful foliage as daylight begins to wane.
As September arrives in Sutton, Canada, the winds begin to shift, bringing a gentle breeze with an average speed of 2.9 m/s (7 mph). This marks an increase from the quieter summer months of July and August, where wind speeds hovered around 2.4 m/s to 2.5 m/s. The transition into fall is characterized by this subtle uptick, hinting at the changing seasons as leaves begin to flutter and the air takes on a crispness. Notably, September's wind speed aligns closely with the speeds recorded in November, suggesting a consistent pattern of slightly stronger gusts as autumn settles in. Overall, the September winds invite both a refreshing start to the new season and a promising preview of the brisk days ahead.
The weather in Sutton 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 Sutton and find detailed weather information for every month.
September and January present strikingly contrasting weather conditions. In September, temperatures range from a chilly minimum of -4°C (26°F) to a warm maximum of 30°C (87°F), with an average around 15°C (59°F). The month sees about 84 mm (3.3 in) of precipitation over 11 days, with humidity levels at 78%. In stark contrast, January is much colder, with temperatures plummeting to a minimum of -32°C (-25°F) and averaging -8°C (17°F); the maximum barely reaches 12°C (54°F). This winter month experiences slightly higher precipitation at 92 mm (3.6 in) over 13 days, accompanied by a higher humidity of 93%. For more detailed insights on January weather, check out Sutton weather in January.
In September, temperatures range from a chilly minimum of -4°C (26°F) to a warm maximum of 30°C (87°F), with an average of 15°C (59°F). The month sees about 84 mm (3.3 in) of precipitation over 11 days and has a humidity level of 78%. In contrast, February's weather is considerably colder, featuring a minimum temperature of -27°C (-16°F) and an average temperature of -7°C (20°F), with a maximum of 15°C (59°F). February experiences slightly higher precipitation at 88 mm (3.4 in) across 16 days, with an even higher humidity level of 92%. For more details on February weather, you can visit Sutton weather in February.
September and March present distinct contrasts in weather patterns. In September, temperatures range from a minimum of -4°C (26°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F); the month experiences about 84 mm (3.3 in) of precipitation over approximately 11 days, accompanied by moderate humidity at 78%. Conversely, March sees much colder conditions, with minimum temperatures plummeting to -22°C (-8°F) and average temperatures at -2°C (28°F), while the maximum reaches 21°C (69°F). Precipitation slightly increases to 88 mm (3.5 in) over 13 days, coupled with higher humidity at 86%. This stark difference in temperatures and precipitation highlights the transition from the warmth of late summer to the lingering chill of late winter. For more detailed information, you can visit Sutton weather in March.
In comparing the weather of September and April, notable differences emerge both in temperature and precipitation patterns. September enjoys a warmer average temperature of 15°C (59°F), with highs reaching up to 30°C (87°F), making it much more comfortable compared to April's cooler average of 5°C (41°F) and maximums of 24°C (76°F). However, April experiences slightly heavier rainfall, with 117 mm (4.6 in) spread over 16 days, compared to September's 84 mm (3.3 in) over 11 days. The humidity levels are relatively comparable, with April at 85% and September at 78%, suggesting a somewhat muggy atmosphere in both months. For a closer look at the specifics of April weather, check out Sutton weather in April.
Comparing the weather in September and May reveals distinct seasonal characteristics. In September, temperatures range from a minimum of -4°C (26°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F). The month experiences 84 mm (3.3 in) of precipitation over approximately 11 days, accompanied by a humidity level of 78%.
In contrast, May sees slightly milder conditions, with temperatures fluctuating between a minimum of -2°C (29°F) and a peak of 34°C (94°F), averaging at 12°C (55°F). This month is wetter, recording 106 mm (4.2 in) of rain over about 13 days, and humidity is slightly higher at 80%.
For further details, you can explore Sutton weather in May. The overall trend shows that May is generally wetter and warmer, while September offers more substantial temperature variation.
September and June present distinct weather patterns. In June, temperatures range from a minimum of 1°C (34°F) to a maximum of 32°C (90°F), with an average of 17°C (63°F) and relatively high precipitation totaling 118 mm (4.6 in) over 14 days. The humidity sits at 74%, creating a warm yet somewhat humid atmosphere. In contrast, September experiences a broader temperature range with a minimum of -4°C (26°F) and a maximum of 30°C (87°F), averaging at 15°C (59°F). Precipitation decreases to 84 mm (3.3 in) over 11 days, while humidity rises slightly to 78%, giving the month a crisp feel as summer transitions into autumn. For a closer look at what to expect, check out Sutton weather in June.
When comparing the weather in September and July, September tends to feature a wider temperature range, with minimums dropping to -4°C (26°F) and maximums reaching up to 30°C (87°F). In contrast, July generally has milder lows around 8°C (46°F) and higher maximums peaking at 33°C (91°F). July also experiences more precipitation, totaling 128 mm (5.1 in) over 15 days compared to September's 84 mm (3.3 in) over 11 days, although the humidity levels remain relatively similar, with September at 78% and July slightly lower at 76%. For more detailed insights on July weather, check Sutton weather in July.
In comparing the weather of September to August, September shows a noticeable drop in both minimum and average temperatures, ranging from -4°C (26°F) to an average of 15°C (59°F), while August maintains a warmer minimum of 6°C (42°F) and an average temperature of 19°C (67°F). Additionally, September experiences its maximum temperature at 30°C (87°F), slightly lower than August's peak of 32°C (89°F). Precipitation is also lower in September, with 84 mm (3.3 in) over 11 days compared to August's 113 mm (4.5 in) over 15 days. Humidity remains quite high in both months, with September at 78% and August at 75%. For a detailed look at August's weather, check out Sutton weather in August.
September and October exhibit notable differences in weather patterns. In September, temperatures range from a minimum of -4°C (26°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F) and a total precipitation of 84 mm (3.3 in) over 11 days. Humidity levels are relatively high at 78%. In contrast, October sees a drop in temperatures, with minima falling to -6°C (21°F) and maxima reaching only 25°C (78°F). The average temperature drops to 9°C (48°F), while precipitation increases significantly to 150 mm (5.9 in) spread over 17 days, and humidity rises to 86%. For more detailed weather information, you can visit Sutton weather in October.
September and November present contrasting weather conditions. In September, temperatures range from a minimum of -4°C (26°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F). The month sees about 84 mm (3.3 in) of precipitation over 11 days, accompanied by a humidity level of 78%. In stark contrast, November experiences much colder temperatures, with lows reaching -20°C (-4°F) and an average of 0°C (33°F), peaking at 22°C (72°F). Precipitation increases to 124 mm (4.9 in) over 17 days, and humidity rises to 88%. For more detailed information, check out Sutton weather in November.
September and December present starkly different weather patterns. In September, temperatures range from a minimum of -4°C (26°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F), making it a much warmer month overall. Humidity is relatively high at 78%, and the month experiences about 84 mm (3.3 in) of precipitation over 11 days. In contrast, December plunges into colder conditions, with temperatures dipping to a minimum of -28°C (-17°F) and a maximum of only 14°C (58°F), resulting in an average temperature of -5°C (23°F). The precipitation slightly increases to 87 mm (3.4 in) but occurs over more days, totaling 16 days, and humidity rises to 89%. For a deeper look into December's weather specifics, visit Sutton weather in December.
As the summer heat gradually fades, September in Sutton showcases a marked transition towards cooler temperatures and increased moisture. This month brings a blend of warm afternoons and crisp nights, setting it apart from the hotter summer months. With average highs allowing for pleasant outdoor activities and average lows reminiscent of approaching fall, it's a time when the colors begin to shift. While 11 days of precipitation create a backdrop for the changing season, the humidity remains notably high, lending a lingering warmth to the air. For more insights on how Sutton's climate evolves throughout the year, visit Sutton Climate.