Last updated: April 22, 2025
Experience September in Penticton, Canada, where the weather offers a delightful mix of warm days and crisp evenings. With a maximum temperature reaching up to 31°C (87°F), the region enjoys plenty of sunshine. However, as summer fades, the average temperature cools to a comfortable 14°C (57°F), and nighttime temperatures can drop to a brisk 1°C (34°F). September brings about a touch of rain, with 50 mm (2.0 in) of precipitation over 9 days, contributing to a humidity level of 74%. This combination not only enriches the landscape but also sets the stage for stunning fall foliage, making Penticton a picturesque destination during this transitional month.
As September rolls into Penticton, Canada, the weather begins to transition from the summer heat to the cool embrace of autumn. The month typically sees minimum temperatures around 1°C (34°F), providing a refreshing chill, while the average hovers at a comfortable 14°C (57°F). Daytime highs can still reach up to 31°C (87°F), allowing for lingering summer activities before fall settles in. This gradual decline in temperatures marks a shift from the sweltering highs of August, showcasing Penticton's charming versatility as it gracefully navigates between seasons. As the days grow shorter, there's a crispness in the air that hints at the beautiful autumn landscapes just around the corner.
September in Penticton, Canada, marks a noticeable shift in precipitation patterns as the summer dryness transitions into the wetter fall months. With 50 mm (2.0 in) of rain distributed over 9 days, September sees an uptick in rainfall compared to the preceding months of July and August, which recorded only 17 mm and 13 mm respectively. This increase signals the onset of autumn, where the frequency of rain begins to rise significantly, paving the way for the more substantial precipitation of October and November. It's a time when the landscape transforms, welcoming the cooler temperatures and vibrant fall colors that follow the summer's drier spell.
As summer transitions into fall, September in Penticton, Canada, witnesses a subtle yet notable dip in humidity, averaging 74%. This marks a continuation of the overall trend toward lower humidity levels, with August showcasing a slightly higher figure of 75%. The ongoing decrease leads into the brisker, crisper air of autumn, before humidity begins to climb again in October to 85%. This seasonal shift from the high humidity of the winter months, peaking at 91% in February, underscores the region's dynamic climate, offering residents and visitors a refreshing reprieve as they enjoy the warm days of early fall.
As September rolls into Penticton, the UV Index remains elevated at 7, indicating a high risk of harm from unprotected sun exposure. This trend reflects a gradual decline from the peak summer months, where UV levels reached a maximum of 9 in both June and July. With a burn time of 25 minutes, it's essential to stay vigilant and protect your skin, even as the days start to shorten. As the season transitions towards fall, the UV Index will continue to dip, but for now, enjoy the beautiful early autumn days while practicing safe sun habits. For more detailed information, visit Penticton UV Index.
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September in Penticton, Canada, welcomes a delightful transition as summer begins to fade, yet the sunshine remains vibrant. With 265 hours of glorious sunlight, September showcases a significant shift from the peak summer months of July and August, which boast 397 hours and 358 hours, respectively. This drop in sunshine hours reflects the natural ebb as autumn draws closer, yet the warm days and crisp evenings still beckon outdoor enthusiasts. The month stands out not only for its generous light but also for its hint of seasonal change, bridging the long, sun-soaked days of summer with the cooler, cozy vibes of fall. As the year progresses, the daylight slowly dwindles, with October offering 199 hours, yet September's golden rays continue to remind us of the beauty of transition.
As summer days wane, September in Penticton, Canada presents a mixed bag for sunshine seekers. With a 37% chance of sunny weather, the month sees a noticeable decline from the highs of July, which boasts an impressive 81% likelihood of sun. However, compared to the gloomier winter months, where chances hover around 19%, September still offers a respectable opportunity to enjoy the great outdoors. The transition from summer into fall brings a unique charm to the landscape, making it a perfect time to experience Penticton's natural beauty, albeit with a little more unpredictability in weather.
As summer fades into autumn, September in Penticton, Canada, brings a gentle transition in daylight duration. With an average of 12 hours of daylight, the month marks a noticeable decline from the bright, sun-soaked days of June and July, which boasted 16 and 15 hours respectively. This moderate decrease mirrors the natural shift in seasons, as the lush warmth of summer gives way to the brisk air of early fall. August holds onto 14 hours, hinting at summer's lingering presence, but by the end of September, the days become shorter, echoing the pattern found throughout the year. With October dawning just around the corner, daylight will soon dwindle further, emphasizing the natural rhythm of Penticton's yearly cycle.
As September ushers in the early hints of autumn in Penticton, Canada, the average wind speed settles at a gentle 1.7 m/s (4 mph). This marks a gradual increase from the summer's calm breezes, which lingered around 1.6 m/s in August. The shift in wind patterns becomes noticeable as the days shorten and the crispness of the fall air begins to set in. Although the wind remains mild compared to the colder months ahead, which see speeds rising to 2.1 m/s by November, September's subtle breezes provide a refreshing contrast to the heat of summer, inviting locals and visitors alike to enjoy the stunning landscapes that Penticton has to offer during this transitional season.
The weather in Penticton 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 Penticton and find detailed weather information for every month.
September and January weather exhibit stark contrasts in temperature and humidity. In September, temperatures can range from a chilly 1°C (34°F) at night to a warm 31°C (87°F) during the day, with an average of 14°C (57°F). The month sees moderate precipitation of about 50 mm (2.0 in) over approximately 9 days, accompanied by humidity levels around 74%. In contrast, January is significantly colder, with temperatures dropping to a minimum of -23°C (-9°F) and peaking at only 6°C (42°F), averaging -3°C (27°F). This month experiences higher precipitation of 68 mm (2.7 in) spread over 14 days, along with increased humidity levels at 90%. For more details, check Penticton weather in January.
September and February present contrasting weather conditions. September features a much warmer climate, with temperatures ranging from a chilly 1°C (34°F) at night to a pleasant 31°C (87°F) during the day, alongside an average of 14°C (57°F). This month typically sees around 50 mm (2.0 in) of precipitation over approximately 9 days, with humidity levels at 74%. In stark contrast, February experiences much colder weather, with temperatures often dropping to a minimum of -24°C (-11°F) and peaking at only 10°C (50°F), averaging -4°C (25°F). This month is also wetter, with around 67 mm (2.7 in) of precipitation spread over 15 days and a higher humidity level of 91%. For more detailed information, check out Penticton weather in February.
September and March present strikingly different weather conditions. In September, temperatures range from a mild 1°C (34°F) at night to a warm 31°C (87°F) during the day, with an average of 14°C (57°F). The month sees around 50 mm (2.0 in) of precipitation over roughly 9 days, accompanied by a humidity level of 74%. In contrast, March is much colder, with temperatures dipping as low as -19°C (-3°F) and peaking at 17°C (63°F), averaging just 2°C (35°F). It experiences slightly higher precipitation at 72 mm (2.8 in) over 14 days, with humidity rising to 89%. For a deeper insight into March's climate, you can check out Penticton weather in March.
September and April exhibit distinct differences in weather characteristics. September typically experiences warmer temperatures, ranging from a minimum of 1°C (34°F) to a maximum of 31°C (87°F), while April sees cooler conditions, with temperatures fluctuating between -7°C (19°F) and 23°C (73°F). Additionally, September has a lower average precipitation of 50 mm (2.0 in) over 9 days compared to April's higher accumulation of 63 mm (2.5 in) across 13 days. Humidity levels are also higher in April, averaging at 85%, compared to September's 74%. For more information, visit Penticton weather in April.
In comparing the weather between September and May, September tends to have a wider temperature range, with minimum temperatures reaching 1°C (34°F) and maximums soaring to 31°C (87°F), while May shows a narrower span, with temperatures ranging from 0°C (32°F) to a maximum of 27°C (80°F). Both months experience similar levels of precipitation, with September receiving an average of 50 mm (2.0 in) over 9 days and May recording slightly less at 48 mm (1.9 in) over 7 days. Humidity levels in May are notably higher at 82%, compared to September's 74%, giving May a more humid feel overall. For more detailed insights on the weather in May, you can visit Penticton weather in May.
When comparing the weather in September and June, September tends to have a more moderate temperature range with a minimum of 1°C (34°F) and a maximum of 31°C (87°F), leading to an average temperature of 14°C (57°F). In contrast, June experiences generally warmer conditions with a minimum of 3°C (38°F) and a maximum that can soar to 40°C (103°F), resulting in an average of 15°C (59°F). Rainfall is slightly more frequent in September, with precipitation occurring on 9 days and totaling 50 mm (2.0 in), compared to June, which sees precipitation on 7 days and a total of 40 mm (1.6 in). Humidity levels are somewhat higher in June at 81%, while September averages 74%. For more details, check out Penticton weather in June.
When comparing the weather in September to that of July, notable differences can be observed. September features a wider temperature range, with minimums dipping down to 1°C (34°F) and maximums reaching 31°C (87°F), whereas July is warmer overall, with temperatures ranging from a minimum of 6°C (43°F) to a scorching maximum of 40°C (104°F).
Additionally, September tends to be wetter, receiving about 50 mm (2.0 in) of precipitation over approximately 9 days, compared to July's drier conditions with just 17 mm (0.7 in) over 3 days. Humidity levels are also higher in July at 84%, compared to September's 74%. For a more detailed look at July weather, you can check Penticton weather in July.
In comparing the weather between September and August, September shows a notable drop in average temperature, with highs reaching only 31°C (87°F) compared to August's maximum of 34°C (94°F). The minimum temperatures are also lower in September, starting at 1°C (34°F) versus 5°C (42°F) in August. While September has a higher average humidity of 74% compared to August's 75%, it experiences significantly more rainfall, with 50 mm (2.0 in) over 9 days as opposed to just 13 mm (0.5 in) across 3 days in August. For more detailed information, you can visit Penticton weather in August.
September and October showcase a distinct transition in weather patterns. September enjoys a warmer climate with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 31°C (87°F), averaging around 14°C (57°F). This month experiences around 50 mm (2.0 in) of rainfall over approximately 9 days at an average humidity of 74%. In contrast, October brings a noticeable chill, with temperatures dipping as low as -11°C (12°F) and averaging 6°C (43°F), peaking at 22°C (72°F). This month sees increased precipitation, totaling 74 mm (2.9 in) over about 13 days, alongside a rise in humidity to 85%. For more details on the October climate, check out Penticton weather in October.
In September, the weather is generally milder, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 31°C (87°F) and an average of 14°C (57°F). The month sees about 50 mm (2.0 in) of precipitation over approximately 9 days, accompanied by a humidity level of 74%. In contrast, November brings significantly colder conditions, where temperatures drop to a minimum of -12°C (11°F), with an average of 2°C (35°F) and a maximum of 12°C (53°F). Precipitation increases to 93 mm (3.7 in) over around 17 days, with humidity rising to 88%. For a more detailed look at the weather in November, visit Penticton weather in November.
September and December present drastically different weather conditions. In September, temperatures range from a cool minimum of 1°C (34°F) to a warm maximum of 31°C (87°F), with an average of 14°C (57°F). The month sees about 50 mm (2.0 in) of precipitation over 9 days, accompanied by a moderate humidity level of 74%. In contrast, December brings much harsher conditions, with a minimum temperature plummeting to -26°C (-14°F) and a maximum reaching only 13°C (55°F), resulting in an average of -2°C (28°F). This winter month experiences more precipitation, totaling 89 mm (3.5 in) over 16 days, combined with increased humidity at 93%. For more details on the December climate, visit Penticton weather in December.
As summer transitions to autumn, September in Penticton showcases a unique blend of warmth and mild chill. While daytime temperatures still flirt with the highs of summer, the nights can dip down, creating a notable contrast that revives the crisp feel of approaching fall. This month also experiences an uptick in rainfall, with increased humidity that adds to the changing landscape. Unlike the hotter months preceding it, September's weather invites a refreshing change, setting the stage for the vibrant autumn colors. For a deeper dive into the seasonal trends and averages, check out Penticton Climate.