Last updated: April 22, 2025
In September, Vancouver showcases its transitional charm as summer gracefully gives way to autumn. Temperatures oscillate between a maximum of 30°C (86°F) and a minimum of 6°C (44°F), with an average of 15°C (59°F) creating a pleasant climate for outdoor activities. However, the month also brings 205 mm (8.1 in) of rain across 14 days, leading to a humidity level of 76%, which adds a refreshing crispness to the air. Visitors can expect a blend of sunny days and gentle showers, perfect for exploring the city's stunning landscapes while enjoying the unique atmosphere that September in Vancouver has to offer.
In September, Vancouver experiences a transition from the warmth of summer to the crispness of fall. With minimum temperatures hovering around 6°C (44°F) and average highs reaching a comfortable 30°C (86°F), this month often delights residents with pleasantly warm days that still retain a hint of summer's embrace. The average temperature sits at a mild 15°C (59°F), presenting a perfect backdrop for outdoor activities and scenic walks. As the month progresses, the days gradually shorten, inviting cooler nights that signal the impending change of the seasons. This blend of warmth and refreshing evenings makes September a cherished month in Vancouver, as nature begins to don its fall attire.
As autumn begins to unfold, September in Vancouver brings a notable increase in precipitation, with a total of 205 mm (8.1 in) over 14 days. This marks a significant uptick from the drier summer months of July and August, which saw averages of just 41 mm (1.6 in) and 46 mm (1.8 in), respectively. September's rainfall sets the stage for the wetter months ahead, serving as a reminder of the region's temperate climate. Following September, October and November continue the trend of increased moisture, with 279 mm (11.0 in) and 411 mm (16.2 in) anticipated, suggesting that Vancouver is ready to trade its summer warmth for the cool, rainy embrace of fall.
As summer gives way to fall in Vancouver, September sees a notable drop in humidity, settling at 76%—the lowest level of the year. This decrease, transitioning from the more humid months of July and August, marks the onset of a drier spell before the rainy season kicks in. The generally high humidity of the previous months, peaking at 86% from January to April, shifts as cooler temperatures approach, setting the stage for the wetter, more humid months of late fall and winter that follow. Notably, October and November rebound dramatically, with humidity levels soaring back to 88% and 87%, reminding residents that while September offers a brief reprieve, the signature damp essence of Vancouver is never too far away.
As summer transitions into fall, Vancouver's UV Index in September reflects a noticeable decline from the peak exposure levels experienced in the preceding months. With a UV Index of 6, categorized as high, residents and visitors should still be mindful of sun safety, as the burn time decreases to 25 minutes. This is a shift from the very high indices recorded in July and August, where protection was necessary after just 15 minutes of exposure. The moderation seen in September signals a more comfortable outdoor experience, yet it’s important to remain vigilant. For those planning outdoor activities, relevant safety precautions should be considered. To learn more about the UV Index throughout the year, visit Vancouver UV Index.
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September in Vancouver, Canada, offers a delightful transition into fall with an impressive 250 hours of sunshine. While the summer months of June and July bask in the glory of nearly 341 and 385 hours respectively, September gracefully maintains a balance, showcasing its vibrant charm as summer wanes. The city enjoys longer days filled with warmth, making it a perfect time for outdoor adventures and soaking in the picturesque scenery before the dreary winter sets in. As the month rolls into October, sunshine hours plunge to 180, marking a noticeable shift, but September’s radiant backdrop serves as a beautiful farewell to the sun-soaked days of summer.
While September in Vancouver, Canada, may not boast the sunniest days of summer, it retains a respectable 28% chance of sunny weather. As the city transitions from the warmth of July and August, where sunny days peak at 70% and 46% respectively, September welcomes a decline. This shift is typical as the region prepares for the onset of fall, but compared to the dreary winter months, where sunshine dips as low as 14% in November, September still shines comparatively brightly. Overall, while it may not rival the summer months, September offers a pleasant mixture of mild warmth and the subtle hint of autumn, making it a desirable time for outdoor activities amidst the gentle ebb of summer's glow.
As summer bids farewell in September, Vancouver witnesses a gentle transition in daylight, offering approximately 12 hours of sunlight. This gradual decline from the peak of 16 hours in June is characteristic of the city's seasonal rhythm, where longer days in spring and summer give way to the shorter, cozy days of fall. While daylight decreases compared to the vibrant summer months, September still bathes the city in a warm and inviting glow, making outdoor adventures and exploration of the rich autumn colors a delightful experience before the days shorten further into October and beyond. The ebb and flow of daylight not only marks the changing seasons but also invites residents and visitors to savor the unique beauty that each phase brings.
As summer bids farewell in September, Vancouver's winds subtly shift, averaging 2.0 m/s (5 mph)—slightly more brisk than the languid breeze of the preceding months. This transition marks a gentle uptick in wind speeds compared to the quiet summer months of July and August, where a more placid 1.9 m/s (4 mph) prevailed. As autumn approaches, one can sense a resurgence in energy, as September's winds herald the coming change, paving the way for the breezier months ahead in October and November, which see averages of 2.6 m/s (6 mph) and 2.8 m/s (6 mph) respectively. This gradual escalation hints at nature's rhythm, promising a refreshing shift in climate that captures the essence of the Pacific Northwest's dynamic atmosphere.
The weather in Vancouver 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 Vancouver and find detailed weather information for every month.
September and January present dramatically different weather conditions. In September, temperatures range from a mild 6°C (44°F) at night to a warm 30°C (86°F) during the day, with average daytime temperatures around 15°C (59°F). The month sees a fair amount of rain, with 205 mm (8.1 in) of precipitation over 14 days and humidity levels at 76%. In contrast, January is much colder, with temperatures falling as low as -10°C (15°F) at night and averaging only 3°C (38°F) during the day, peaking at a maximum of 10°C (51°F). This month also receives more precipitation, totaling 320 mm (12.6 in) over 17 days, accompanied by higher humidity at 86%. For more details, you can check out Vancouver weather in January.
September and February present contrasting weather patterns in Vancouver. In September, temperatures range from a chilly 6°C (44°F) at night to a warm 30°C (86°F) during the day, with an average of 15°C (59°F). The month experiences significant rainfall, totaling 205 mm (8.1 in) over about 14 days, accompanied by a humidity level of 76%. In contrast, February is much colder, with temperatures dropping to a minimum of -11°C (12°F) and peaking at 12°C (53°F), averaging only 2°C (37°F). Precipitation is slightly less at 193 mm (7.6 in), spread over 18 days, and humidity levels rise to 85%. For more detailed information, check out Vancouver weather in February.
When comparing September and March weather, September typically offers a warmer climate with average temperatures around 15°C (59°F), reaching highs of 30°C (86°F). The month experiences significant rainfall, with 205 mm (8.1 in) of precipitation spread over 14 days and an average humidity of 76%. In contrast, March tends to be cooler, with an average temperature of 5°C (42°F) and lows dipping to -3°C (26°F), although it can peak at 21°C (70°F). This month also sees a bit more rain, totaling 214 mm (8.4 in) over 17 days, accompanied by higher humidity at 86%. For more information, see Vancouver weather in March.
September and April showcase distinctly different weather patterns. In September, temperatures range from a chilly 6°C (44°F) at night to a warm 30°C (86°F) during the day, with an average of 15°C (59°F). This month also sees significant rainfall, accumulating to 205 mm (8.1 in) over about 14 days and a humidity level of 76%. In contrast, April experiences cooler temperatures, with nighttime lows dipping to -1°C (31°F) and daytime highs reaching 23°C (74°F), averaging around 8°C (47°F). Although April has slightly less rainfall at 174 mm (6.8 in), it is spread across more days, totaling 17, and features higher humidity at 86%. For a deeper understanding of April’s climate, you can check out Vancouver weather in April.
September and May exhibit noticeable differences in weather patterns. In September, temperatures range from a minimum of 6°C (44°F) to a maximum of 30°C (86°F), with an average of 15°C (59°F). This month typically sees higher rainfall, accumulating 205 mm (8.1 in) over approximately 14 days, accompanied by a humidity level of 76%. In contrast, May experiences milder temperatures, with a minimum of 3°C (38°F) and a maximum of 27°C (80°F), averaging 12°C (55°F). Rainfall is significantly lower in May, with just 99 mm (3.9 in) over about 11 days, though the humidity remains relatively high at 81%. For more details, visit Vancouver weather in May.
In comparing the weather of September and June, we observe notable differences in temperature and precipitation patterns. September experiences a range of temperatures, with a minimum of 6°C (44°F), an average of 15°C (59°F), and a maximum of 30°C (86°F), while June showcases an impressive maximum temperature of 37°C (99°F), alongside a similar minimum of 6°C (43°F) and an average of 15°C (60°F). In terms of precipitation, September is wetter, with 205 mm (8.1 in) over 14 days compared to June's 96 mm (3.8 in) across 13 days. Additionally, while September has a humidity level of 76%, June is slightly more humid at 83%. For more detailed information on June weather, you can visit Vancouver weather in June.
In comparing the weather of September and July, we see distinct differences in temperature and precipitation. September experiences a wider temperature range, with minimums dropping to 6°C (44°F) and maximums reaching 30°C (86°F), averaging around 15°C (59°F). In contrast, July is generally warmer, with minimum temperatures starting at 9°C (49°F) and maximums peaking at 31°C (88°F), while the average temperature is about 18°C (64°F). Notably, September is much wetter, accumulating 205 mm (8.1 in) of precipitation over 14 days, whereas July is drier, with only 41 mm (1.6 in) over just 5 days. The humidity levels are also higher in July at 84% compared to September's 76%. For more information about July weather specifically, you can refer to Vancouver weather in July.
When comparing the weather between August and September, notable differences emerge in both temperature and precipitation patterns. August features warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 33°C (92°F), while September sees cooler averages, starting with a minimum of 6°C (44°F) and peaking at 30°C (86°F). Additionally, September experiences significantly more rainfall, accumulating 205 mm (8.1 in) over 14 days, compared to August's 46 mm (1.8 in) across just 7 days. Both months maintain similar humidity levels, with August slightly higher at 77%, compared to September's 76%. For a detailed look at August weather, visit Vancouver weather in August.
In September, the weather in Vancouver experiences a warm transition with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 30°C (86°F), and an average of 15°C (59°F). This month also sees notable rainfall, totaling 205 mm (8.1 in) over about 14 days, coupled with a humidity level of 76%.
In contrast, October marks a significant drop in temperatures, with minimums reaching -2°C (29°F) and averages settling at 9°C (49°F). The maximum temperature is milder at 22°C (71°F). Additionally, October brings even more precipitation, amounting to 279 mm (11.0 in) over 17 days, and an increase in humidity to 88%. For more details, check out Vancouver weather in October.
In comparing the weather between September and November, significant differences in temperature and precipitation become evident. September experiences milder conditions, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 30°C (86°F), averaging around 15°C (59°F). It is also relatively drier, with 205 mm (8.1 in) of precipitation over 14 days and a humidity level of 76%. In contrast, November brings a more pronounced chill, with temperatures dropping to a minimum of -4°C (24°F) and an average of 6°C (44°F), peaking at a maximum of 15°C (58°F). This month is notably wetter, with precipitation reaching 411 mm (16.2 in) over 20 days and a higher humidity of 87%. For more detailed insights, you can check out Vancouver weather in November.
September and December present strikingly different weather profiles. In September, temperatures can range from a mild 6°C (44°F) at night to a warm 30°C (86°F) during the day, with an average of 15°C (59°F). This month experiences about 205 mm (8.1 in) of precipitation over approximately 14 days, coupled with a moderate humidity level of 76%. In contrast, December sees much colder conditions, with temperatures plunging to a minimum of -16°C (4°F) and an average of just 3°C (38°F), peaking at a maximum of 11°C (52°F). The precipitation during this month increases significantly to 324 mm (12.8 in), falling over 19 days, and humidity rises to 87%. For more detailed information, you can check out this link: Vancouver weather in December.
As September arrives in Vancouver, the weather begins to shift, offering a unique blend of warm summer remnants and the crispness of early autumn. With temperatures that can peak at a delightful 30°C (86°F), the month still retains summer-like warmth, but it also sees cooler evenings that dip to about 6°C (44°F). This transition brings with it an increase in precipitation, as September is one of the wetter months, experiencing around 205 mm (8.1 in) over approximately 14 days. Combined with a humidity level of 76%, the air can feel quite moist, a stark contrast to the drier summer months. For those looking to explore the changes in weather patterns, check out the detailed insights available on the Vancouver Climate page.