Last updated: August 21, 2025
September in Punkaharju, Finland showcases a remarkable transition as summer bids farewell. During this month, temperatures range from a delightful maximum of 23°C (73°F) to a brisk minimum of 0°C (33°F), with an average temperature resting around 11°C (51°F). The landscape emerges lush, fed by 76 mm (3.0 in) of precipitation spread over 12 days, contributing to a vibrant, refreshing atmosphere. At this time, humidity levels soar to 90%, creating a rich, almost palpable air that encapsulates the essence of early autumn. Visitors can expect a blend of sunny days and gentle rain, perfect for both outdoor adventures and cozy indoor experiences.
As September arrives in Punkaharju, Finland, a noticeable shift in temperatures heralds the arrival of autumn. The month begins with a minimum temperature of 0°C (33°F), which signifies a gentle transition from the warmth of summer. Days become more crisp, with an average temperature reaching 11°C (51°F), providing a refreshing backdrop for outdoor activities. By midday, the maximum temperature can still climb to a pleasant 23°C (73°F), allowing for lingering warmth reminiscent of summer days. However, as the month progresses, these moderate temperatures hint at the coming chill of fall, contrasting sharply with the depths of winter just around the corner. This blend of mildness and impending coolness makes September a captivating time in Punkaharju, perfect for enjoying the vibrant autumn scenery.
September in Punkaharju, Finland, brings a notable shift in precipitation patterns as summer transitions into autumn. With a total precipitation amount of 76 mm (3.0 in) over 12 rainy days, September maintains a robust level of moisture, notably lower than the wettest months of July and August, which received 80 mm and 92 mm, respectively. This drop reflects the gradual cooling of the season, yet it still stands above average when compared to the earlier months, such as January through April, which consistently saw lower precipitation amounts around 46 mm. The steady 12 to 15 rainy days during summer and early autumn signifies a rhythm of rainfall that is characteristic of the region, ensuring lush landscapes as the leaves begin to turn.
September in Punkaharju, Finland, experiences a notable increase in humidity, reaching 90%. This uptick follows the summer months, where humidity levels peaked in July at 82% and August at 84%, signaling a transition into the cooler fall season. The trend reveals a gradual ascent in humidity from the drier spring months, with April at 88%, leading to September's moist atmosphere. As autumn approaches, humidity levels remain relatively high, continuing a pattern seen in the preceding months of October and November, with both sitting at 93%. This seasonal shift reflects the region's rich climate, fostering a unique and often misty landscape that characterizes Punkaharju during this time of year.
In September, Punkaharju experiences a moderate UV Index of 3, with a recommended burn time of 30 minutes. This trend mirrors the gradual decline in UV exposure as summer gives way to autumn. Following the peak months of June and July, where the UV Index reached high levels, September's moderate rating provides a soft landing as residents and visitors enjoy the changing foliage. As the days shorten and sunlight softens, it's essential to stay mindful of sun exposure while engaging in outdoor activities. For more detailed information on UV levels throughout the year, check out Punkaharju UV Index.
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September in Punkaharju, Finland, bathes the region in a gentle 278 hours of sunshine, marking a graceful transition from the sun-drenched days of summer into the more subdued glow of autumn. As summer peaks in June with an impressive 493 hours of sunlight, the days begin to gradually shorten, showcasing a notable decline throughout August and into September. Despite this drop, September still enjoys more sunlight than the stark winter months that follow, such as December, which only sees 25 hours. The lingering warmth and light of early autumn invite residents and visitors alike to savor the last whispers of summer before nature envelops itself in winter's embrace. This month symbolizes both the end of a vibrant season and the beginning of tranquil, cozy times ahead.
In Punkaharju, Finland, the likelihood of sunny weather reaches its peak during the summer months, with July boasting an impressive 55% chance of sunshine. As we transition into September, the chances begin to dip, falling to 23%. This month marks a notable decline from the vibrant summer, with sunlight becoming more elusive as autumn approaches. Notably, September's sunshine potential is higher than the gloomy winter months ahead, where chances plummet to 1% in January and remain low through November. Although September may not be the sunniest month, it still offers a refreshing glimpse of late summer, inviting residents and visitors alike to relish the last rays before the chill of autumn settles in.
In Punkaharju, Finland, the rhythm of daylight transforms dramatically throughout the year, reflecting the region's unique seasonal shifts. September marks a notable transition as the days begin to shorten, offering around 12 hours of daylight. This reduction follows the vibrant summer months, where June peaks with nearly 19 hours of glorious sunshine. As autumn approaches, daylight begins to ebb; from August’s 15 hours, it gently declines to 12 hours in September, setting the stage for the crisp, shorter days of fall. This gradual descent into darkness is a precursor to the dimmer months ahead, highlighting the striking contrast between the bright northern summer and the cozy embrace of autumn's early twilight.
As summer gracefully gives way to autumn, September in Punkaharju, Finland presents a mild breeze with an average wind speed of 3.4 m/s (8 mph). This slight uptick from the calmer summer months hints at nature’s transition, setting the stage for the distinctive crispness of fall. The wind, while not yet biting, is more invigorating compared to the earlier months, marking a shift towards the more dynamic and variable weather patterns characteristic of autumn. Interestingly, the average speeds tend to rise into October, peaking at 4.1 m/s (9 mph), suggesting that September’s gentle wind is a delightful precursor to the brisk gusts that await as the leaves begin to paint the landscape in vibrant hues. Overall, September acts as a charming bridge between the stillness of summer and the energetic winds of fall.
Weather in Punkaharju varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Punkaharju, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January weather present a stark contrast in terms of temperature and conditions. In September, temperatures range from a chilly 0°C (33°F) at night to a pleasant maximum of 23°C (73°F) during the day, with an average temperature of 11°C (51°F). The month sees about 76 mm (3.0 in) of precipitation over 12 days and a humidity level of 90%.
In contrast, January experiences much colder temperatures, with a minimum of -27°C (-16°F) and a maximum of only 6°C (43°F), leading to an average of -5°C (22°F). Despite being drier, January still records 46 mm (1.8 in) of precipitation across 11 days and a higher humidity of 98%. For a closer look at January weather specifics, visit Punkaharju weather in January.
In September, the weather is considerably milder, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 23°C (73°F), and an average of 11°C (51°F). The month experiences higher precipitation levels of 76 mm (3.0 in) over about 12 days and humidity is somewhat high at 90%. In contrast, February plunges into much colder conditions, where temperatures can drop as low as -27°C (-17°F), with an average of -6°C (21°F) and a maximum of 5°C (41°F). Although February sees less precipitation at 48 mm (1.9 in) over 11 days, the humidity peaks at 96%, adding to the chill. For a detailed look at February weather in a specific location, visit Punkaharju weather in February.
September and March offer contrasting weather experiences, with September showcasing milder and more temperate conditions. In September, temperatures range from a chilly 0°C (33°F) at night to a pleasant 23°C (73°F) during the day, accompanied by average humidity of 90% and 76 mm of precipitation spread over 12 days. In stark contrast, March can be quite frigid, with temperatures dipping as low as -24°C (-12°F) and averaging at -3°C (28°F). Though March sees a lower total precipitation of 46 mm, it maintains a similar number of wet days—also 12—but with a higher humidity of 93%. For a detailed look at March weather, you can visit Punkaharju weather in March.
In comparing the weather between September and April, it is evident that September offers a milder climate. With average temperatures ranging from 0°C (33°F) to a maximum of 23°C (73°F), it is significantly warmer than April, where temperatures can drop as low as -12°C (11°F) and peak at only 18°C (64°F). Additionally, September experiences more precipitation, totaling 76 mm (3.0 in) over 12 days, compared to April's 46 mm (1.8 in) across 11 days. Despite September's higher precipitation, both months maintain high humidity levels, with September at 90% and April at 88%. For more detailed insights into April's weather, visit Punkaharju weather in April.
In comparing the weather between September and May, October exhibits a milder average temperature with minimums around 0°C (33°F) and maximums reaching up to 23°C (73°F), while May features cooler average conditions, with minimums dropping to -3°C (26°F) and maximums peaking at 28°C (82°F). September tends to be slightly wetter, recording an average of 76 mm (3.0 in) of precipitation over 12 days, compared to May’s 55 mm (2.2 in) over 11 days. Additionally, humidity levels are higher in September at 90%, in contrast to May's 77%. For a closer look at May weather in Punkaharju, you can visit Punkaharju weather in May.
When comparing the weather in September and June, a noticeable contrast emerges. September typically features cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 23°C (73°F), while June enjoys warmer conditions, ranging from a minimum of 3°C (37°F) to a maximum of 31°C (87°F). Additionally, September experiences higher humidity levels at 90%, compared to June's more comfortable 75%. Precipitation levels are somewhat higher in September, with 76 mm (3.0 in) over 12 days, compared to June's 58 mm (2.3 in) over 11 days. For those interested in the specifics, you can find more detailed information here: Punkaharju weather in June.
When comparing the weather in September and July, significant differences emerge. In September, temperatures range from a chilly minimum of 0°C (33°F) to a mild maximum of 23°C (73°F), averaging around 11°C (51°F). The month experiences about 76 mm (3.0 in) of precipitation over approximately 12 days, with humidity levels reaching 90%. In contrast, July boasts warmer conditions with temperatures ranging from a minimum of 7°C (45°F) to a high of 32°C (89°F), averaging around 17°C (64°F). Precipitation in July is slightly higher at 80 mm (3.1 in) but occurs over 14 days, and humidity is lower at 82%. For more details, check Punkaharju weather in July.
When comparing the weather in September and August, September shows a significant drop in temperature, with minimums reaching 0°C (33°F) and average temperatures around 11°C (51°F), while August maintains higher temperatures with a minimum of 7°C (46°F) and an average of 16°C (61°F). Although August experiences slightly more precipitation at 92 mm (3.6 in) over 15 days compared to September's 76 mm (3.0 in) over 12 days, September's higher humidity at 90% adds to the dampness felt during the month. For a closer look at the specific conditions in August, you can visit Punkaharju weather in August.
In September, the weather in Punkaharju typically features milder temperatures, with a minimum of 0°C (33°F) and an average of 11°C (51°F), reaching a maximum of 23°C (73°F). This month experiences a total precipitation of 76 mm (3.0 in) over about 12 days, coupled with high humidity levels averaging 90%.
In contrast, October brings a noticeable chill, with temperatures dropping to a minimum of -5°C (22°F) and an average of 6°C (42°F), peaking at 18°C (64°F). The precipitation levels remain quite similar, at 74 mm (2.9 in), but occur over more days, with rain expected on 14 days. The humidity also slightly increases to an average of 93%.
For more detailed information, check out Punkaharju weather in October.
In September, the weather is relatively mild, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 23°C (73°F) and an average of 11°C (51°F). The month experiences considerable humidity at 90% and records about 76 mm (3.0 in) of precipitation over 12 days. In contrast, November brings more significant cold, with temperatures dropping to a minimum of -12°C (11°F) and averaging around 1°C (34°F), with a peak max of 11°C (51°F). Although it experiences slightly less precipitation at 51 mm (2.0 in), the humidity remains high at 93% over the same number of rainy days. For a detailed look at what to expect, check out Punkaharju weather in November.
In September, the weather is relatively mild, with temperatures ranging from a chilly 0°C (33°F) to a pleasant maximum of 23°C (73°F), and an average of 11°C (51°F). With 76 mm (3.0 in) of precipitation over 12 days, the month feels quite humid at 90%. In contrast, December brings much colder conditions, with temperatures plummeting to a minimum of -22°C (-7°F) and an average of -4°C (26°F), peaking at just 5°C (40°F). Although December experiences slightly less precipitation at 72 mm (2.8 in), it has more rainy or snowy days, totaling 16, and the humidity rises to a brisk 95%. For a closer look at what to expect in December, check out Punkaharju weather in December.
As September unfolds in Punkaharju, the weather serves as a captivating transition from summer's warmth to the onset of autumn. This month features an inviting average temperature that hovers around 11°C (51°F), creating a balance between the lingering warmth of late summer and the crispness of fall. Although precipitation levels rise, with around 12 wet days, the lush landscapes become even more enchanting, showcasing vibrant foliage as nature prepares for the seasonal shift. With humidity reaching a notable 90%, the air carries an essence of freshness and vitality. This unique blend positions September as a delightful month for outdoor exploration, making it distinct from the warmer summer months and the chillier days that follow. For a deeper insight into the weather patterns, visit Punkaharju Climate.