Last updated: April 22, 2025
September in Niagara-on-the-Lake, Canada offers a delightful blend of autumn's embrace, characterized by an average temperature of 19°C (66°F), with maximums reaching a warm 29°C (85°F) and cool evenings dipping to 9°C (48°F). Visitors can expect moderate humidity levels around 76%, creating a refreshing atmosphere amid the changing foliage. While the month sees 73 mm (2.9 in) of precipitation over approximately 9 days, these occasional showers are often fleeting, allowing ample opportunity to enjoy the stunning landscapes and vibrant winery tours that the region is famous for. Whether you're wandering through picturesque streets or savoring local wines, September promises a captivating experience in this charming town.
In September, Niagara-on-the-Lake enjoys a delightful transition into autumn, marked by comfortable temperatures that invite outdoor exploration. With minimums around 9°C (48°F) and averages reaching 19°C (66°F), the days are pleasantly warm, while evenings begin to hint at the coolness of fall. The maximum temperature can soar to 29°C (85°F), providing ample opportunity to enjoy outdoor activities or a relaxing stroll along the lake. This month reflects a perfect balance, as summer's warmth lingers just long enough to create a picturesque setting for wine-tasting and scenic views, making it one of the most enjoyable times of the year in this charming Canadian destination.
September in Niagara-on-the-Lake brings a gentle transition into fall, with average precipitation recorded at 73 mm (2.9 in) over about 9 days of rainfall. This figure marks a decrease compared to the more moisture-laden summer months, notably July's peak of 115 mm. As the leaves begin to change, the weather responds with a modest decline in precipitation, hinting at the drier but cooler months ahead. The trend suggests that while September maintains some summer-like weather, it also sets the stage for the increased precipitation of October, which typically sees 128 mm (5.0 in) across 16 rainy days. Overall, September stands out as a bridge between the lushness of summer and the crisp, refreshing embrace of autumn.
As summer transitions into fall, September in Niagara-on-the-Lake sees a gentle shift in humidity, settling at 76%. This marks a noticeable decline from the peak summer months, where humidity hovered around 72% in August. The trend reveals a gradual decrease in moisture levels as the year progresses, with January and February experiencing the highest humidity levels at 91%. This period of relatively lower humidity in September signals a refreshing change in the air, making it an excellent time for outdoor exploration. As October approaches, humidity levels are expected to rise again, reminding us of the cycle of seasons in this picturesque Canadian town.
As summer transitions into fall, September in Niagara-on-the-Lake sees a noteworthy drop in the UV Index, registering at 7, which reflects a high exposure category with a burn time of 25 minutes. This decrease marks a shift from the intense UV levels of summer, where values soared to 10 in June and remained at 9 through July and August. As we embrace the crisp autumn air, sun protection remains important, even as the days grow shorter and cooler. This month’s UV Index serves as a reminder that while the harshest rays of summer are behind us, a little care goes a long way. For more detailed information on UV levels throughout the year, visit Niagara-on-the-Lake UV Index.
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As summer gently wanes, September in Niagara-on-the-Lake reveals a striking blend of warmth and sunlight, boasting an impressive 304 hours of sunshine. This marks a notable dip from the sun-drenched heights of July and August, yet still reflects a vibrant continuation of the sunny season. The month not only captures the essence of late summer but also offers a comfortable transition into autumn, highlighted by the enchanting fall foliage. In a yearly trend, September shines with more hours than the preceding months of October and November, reassuring visitors that the beauty of this charming town extends well into early fall. With its radiant days, September is a perfect time to explore the vineyards and scenic landscapes, making it a beloved destination for travelers seeking both relaxation and adventure.
As September rolls into Niagara-on-the-Lake, the likelihood of sunny weather remains quite promising, with a 44% chance of sunshine. This figure aligns closely with the summer months, where August boasts the highest probability at 49%. Interestingly, September maintains a robust likelihood of clear skies, reflecting a trend of sunshine that is slightly above the spring months like April and May, which hover around 41% and 46%, respectively. Notably, this enduring pattern suggests that early fall in this charming Canadian town often offers a delightful blend of warmth and brightness, making it an ideal time for outdoor activities and exploration.
As summer transitions into fall, September in Niagara-on-the-Lake brings a gentle decline in daylight duration, with the sun gracing the skies for approximately 12 hours. This is a noticeable shift from the 15 hours enjoyed in June, as well as a gradual reduction from the 14 hours of daylight felt just a month prior in August. The days grow shorter, signaling the changing seasons, yet September still offers a lovely balance of light. Just ahead, October will bring further decreases in daylight, echoing the pattern of diminishing hours from the vibrant summer months, as the region prepares for the coziness of autumn.
As September arrives in Niagara-on-the-Lake, the breezes begin to pick up slightly, with an average wind speed of 4.6 m/s (10 mph). This marks a gentle increase from the summer's calmer conditions, where wind speeds hovered around 3.5 m/s (8 mph) in August and 3.8 m/s (8 mph) in July. The transition into fall brings a refreshing vitality to the air, hinting at the approaching seasonal changes. Interestingly, October is poised to follow suit with a slight rise to 4.8 m/s (11 mph), maintaining a consistent feel as wind patterns shift in the region. As nature prepares for the vibrant colors of autumn, September's winds serve as a delightful prelude, reminding us of the beauty of change.
The weather in Niagara-on-the-Lake 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 Niagara-on-the-Lake and find detailed weather information for every month.
September and January present contrasting weather patterns in Niagara-on-the-Lake. In September, temperatures range from a mild 9°C (48°F) at night to a warm 29°C (85°F) during the day, accompanied by relatively moderate humidity levels of 76%. The month sees about 73 mm (2.9 in) of precipitation over approximately 9 days, making it a pleasant time for outdoor activities. In stark contrast, January experiences significantly colder temperatures, with lows plunging to -18°C (0°F) and highs only reaching 13°C (55°F). The humidity rises to 91%, and precipitation increases slightly to 78 mm (3.1 in) over 12 days, often falling as snow. For a deeper look at January's climate specifics, check out Niagara-on-the-Lake weather in January.
September and February present a stark contrast in weather patterns. September boasts a mild temperature range, with average highs around 19°C (66°F) and maximums reaching 29°C (85°F), along with a moderate humidity level of 76% and only 9 days of precipitation totaling 73 mm (2.9 in). In stark contrast, February experiences frigid conditions, with average temperatures peaking at just -1°C (30°F) and plunging to a minimum of -18°C (-1°F). This month sees more precipitation at 87 mm (3.4 in) over 14 days, alongside higher humidity levels of 91%. For a closer look at February weather specifics, you can explore Niagara-on-the-Lake weather in February.
September and March present remarkably different weather patterns in Niagara-on-the-Lake. September boasts a milder climate with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (85°F), averaging around 19°C (66°F). The month experiences about 73 mm (2.9 in) of precipitation across 9 days, with a relative humidity of 76%. In contrast, March tends to be much colder, with temperatures dropping to a minimum of -12°C (11°F) and reaching a maximum of 15°C (60°F), averaging only 2°C (35°F). March sees slightly higher precipitation at 71 mm (2.8 in) over 11 days, accompanied by higher humidity levels at 88%. For more details on March weather specifics, visit Niagara-on-the-Lake weather in March.
When comparing the weather in September and April, we see a notable difference in temperatures and overall climate conditions. September enjoys milder temperatures, with a minimum of 9°C (48°F), an average of 19°C (66°F), and a maximum of 29°C (85°F). In contrast, April tends to be much cooler, featuring a minimum of -3°C (28°F), an average of 6°C (43°F), and a maximum of 17°C (63°F). Additionally, September experiences less precipitation, totaling 73 mm (2.9 in) over about 9 days, while April is wetter with 118 mm (4.6 in) spread across approximately 13 days. Humidity levels are also higher in April at 88%, compared to 76% in September. For more detailed insights on April weather, you can visit Niagara-on-the-Lake weather in April.
In comparing the weather patterns of September and May, September boasts warmer temperatures, ranging from a low of 9°C (48°F) to a comfortable high of 29°C (85°F), with an average temperature of 19°C (66°F). In contrast, May experiences cooler conditions, with temperatures fluctuating between a minimum of 1°C (33°F) and a maximum of 23°C (74°F), leading to an average of 11°C (53°F). Both months see notable precipitation, but May records a higher total of 99 mm (3.9 in) over 13 days compared to September's 73 mm (2.9 in) across 9 days. Humidity levels are slightly elevated in May at 82% compared to September's 76%. For more details, you can visit Niagara-on-the-Lake weather in May.
When comparing the weather in September and June, both months exhibit relatively mild temperatures, with September enjoying a slightly warmer average of 19°C (66°F) compared to June's 18°C (64°F). The maximum temperatures reach 29°C (85°F) in September, whereas June peaks at 27°C (80°F). Precipitation is common in both months, with September receiving 73 mm (2.9 in) over 9 days and June receiving a bit more at 81 mm (3.2 in) across 10 days. Humidity levels are also similar, with September at 76% and June slightly higher at 79%. For more detailed information, you can check Niagara-on-the-Lake weather in June.
In comparing the weather of September and July, September tends to have cooler temperatures, with a minimum of 9°C (48°F) and an average of 19°C (66°F), while July's temperatures are notably warmer, featuring a minimum of 16°C (62°F) and an average of 23°C (73°F). Both months experience similar maximum temperatures, reaching up to 29°C (85°F) in September and 29°C (84°F) in July. However, July is wetter, with 115 mm (4.5 in) of precipitation over 13 days compared to September's 73 mm (2.9 in) across 9 days. Humidity levels remain fairly consistent, with September at 76% and July at 77%. For more detailed information, you can check Niagara-on-the-Lake weather in July.
In comparing the weather between August and September, September tends to be cooler with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 29°C (85°F), while August features warmer conditions with temperatures ranging from 15°C (59°F) to 29°C (84°F). Both months experience similar high temperatures, but September's lower average of 19°C (66°F) reflects a transition into autumn. Precipitation is slightly less in September at 73 mm (2.9 in) over 9 days compared to August’s 85 mm (3.3 in) over 12 days, indicating late summer showers are more frequent in August. Humidity in September also remains slightly higher at 76%, compared to August's 72%. For a more detailed look at August weather, you can visit Niagara-on-the-Lake weather in August.
September and October present a notable shift in weather conditions. In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 29°C (85°F), with an average temperature of 19°C (66°F). This month experiences 73 mm (2.9 in) of precipitation over 9 days and has a humidity level of 76%. In contrast, October brings a significant drop in temperatures, with minimums plummeting to 3°C (38°F) and an average of just 13°C (56°F), while the maximum temperature reaches 25°C (78°F). Additionally, October sees higher precipitation levels, totaling 128 mm (5.0 in) over 16 days, along with increased humidity at 83%. For a detailed look at the weather specifics during this month, refer to Niagara-on-the-Lake weather in October.
In September, the weather is generally warm, with temperatures ranging from a low of 9°C (48°F) to a high of 29°C (85°F) and an average of 19°C (66°F). The month receives about 73 mm (2.9 in) of precipitation over 9 days, with humidity levels at 76%. In contrast, November brings a significant drop in temperatures, with a daily minimum of -8°C (18°F) and a maximum that reaches only 19°C (66°F), averaging 6°C (42°F). This month experiences greater precipitation, totaling 89 mm (3.5 in) over 12 days, alongside a rise in humidity to 88%. For more detailed information, you can visit Niagara-on-the-Lake weather in November.
September and December present contrasting weather patterns in Niagara-on-the-Lake. In September, temperatures range from a mild 9°C (48°F) at night to a warm 29°C (85°F) during the day, with an average of 19°C (66°F). The month sees 73 mm (2.9 in) of precipitation across about 9 days, and humidity levels hover around 76%. In stark contrast, December experiences much colder conditions, with temperatures dropping to a minimum of -16°C (4°F) and peaking at 15°C (60°F), bringing an average temperature of just 1°C (35°F). Precipitation increases to 90 mm (3.5 in) over 15 days, alongside higher humidity at 87%. For more details on what to expect, check out Niagara-on-the-Lake weather in December.
As September rolls in, Niagara-on-the-Lake experiences a delightful transition, offering a pleasant blend of warm days and cool evenings that distinguish it from the summer heat. With an average temperature hovering around a comfortable 19°C, the weather becomes ideal for exploring the scenic landscapes and cultural attractions of the area. Although rainfall is more frequent, with about 9 days of precipitation, it adds a refreshing charm to the environment. The humidity levels peak at 76%, creating a cozy atmosphere perfect for enjoying local wineries and festivals. For a deeper dive into the area's climate specifics, check out Niagara-on-the-Lake Climate.