Last updated: August 27, 2025
In September, Saltsjöbaden experiences a blend of mild temperatures and characteristic Scandinavian charm. With a maximum of 22°C (72°F) and an average of 13°C (56°F), it's a pleasant time for outdoor exploration, although temperatures can dip to a brisk 3°C (38°F) at night. Visitors should be prepared for occasional rain, as the area sees about 52 mm (2.0 in) of precipitation over 10 days, contributing to a relative humidity of 85%. Whether you're strolling along the waterfront or enjoying local cafes, September in Saltsjöbaden offers a refreshing transition into autumn.
In September, Saltsjöbaden, Sweden transitions into the early hints of autumn, offering a refreshing change with temperatures ranging from a mild 3°C (38°F) at night to a pleasant 22°C (72°F) during the day. The average temperature settles at 13°C (56°F), providing a comfortable backdrop for outdoor activities and scenic walks. This month marks a noticeable shift from the summer warmth, as evening chills creep in, yet the days still retain a hint of summer's warmth. As the landscape begins to don its autumn colors, September invites both locals and visitors to enjoy the crisp air and vibrant scenery before winter soon makes its presence felt.
September in Saltsjöbaden, Sweden, showcases a significant transition in weather patterns as summer gives way to autumn. With 52 mm (2.0 in) of precipitation spread across 10 days, this month marks a decrease from the 68 mm recorded in August but still reflects a robust amount of rainfall typical for this time of year. The slightly elevated days of precipitation compared to summer suggest a gradual increase in moisture as the region prepares for the wetter months ahead. As the leaves begin to change and the days grow shorter, September’s weather foreshadows the upcoming October, which historically sees the highest precipitation levels of the year at 76 mm (3.0 in).
September in Saltsjöbaden, Sweden, sees a notable shift in humidity, with levels climbing to 85%. While this marks an increase from the drier summer months, where humidity dipped as low as 74% in July, it still remains lower than the peaks typically observed during the winter months, such as 90% in January and November. This transition signals the onset of autumn, as the air begins to hold more moisture once again. Overall, the relative humidity in September reflects the region's distinct seasonal changes—balancing between the lingering warmth of summer and the chilly embrace of fall.
As summer transitions into autumn, September's UV Index in Saltsjoebaden remains at a moderate level of 4. This suggests that while the sun's intensity is decreasing from the high summer months, caution is still advised when outdoors, with a burn time of approximately 30 minutes for fair-skinned individuals. The UV Index trend over the year showcases a gradual decrease from the peak levels of 7 in July and June, reflecting the shift in seasons and shorter days. As the cool breeze of autumn sets in, residents and visitors should remain mindful of their sun exposure. For daily updates and more detailed information, check out the Saltsjoebaden UV Index.
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As summer bids farewell, September in Saltsjöbaden offers a warm embrace with 312 hours of sunshine, a delightful continuation from the vibrant days of July and August. This month's sunlit hours reflect a gentle decline as the region transitions into autumn, yet much brighter than the early months of the year. From a meager 71 hours in January to a peak of 488 in July, the trend of increasing sunlight peaks in the height of summer, slowly tapering off as the days shorten. However, September stands as a radiant gem, inviting outdoor activities amidst the breathtaking Swedish landscape, while hinting at cooler days ahead, making it an ideal time to savor nature's beauty before winter descends.
In Saltsjöbaden, Sweden, September marks a transition into the cooler months, with a 27% chance of sunny weather. This percentage reflects a noticeable decline from the sunnier summer months, particularly July and June, which boast probabilities of 57% and 55%, respectively. As the vibrant hues of late summer begin to fade, September's sunny outlook is eclipsed by the increasing cloud cover common in autumn. Despite this dip, the sunny days are still a cherished feature of early fall, providing a brief encore to the warm weather, before the sky settles into the more modest brightness typical of October and onward.
As summer bids farewell in September, Saltsjöbaden enjoys a significant reduction in daylight hours, with the sun shining for a wholesome 12 hours. This marks a gentle transition from the prolonged daylight of the summer months—where June peaks with 18 hours—to the shorter, cozy days of autumn. Interestingly, September serves as a bridge, providing a balanced blend of light before the daylight dips further to 10 hours in October. As nature prepares for the coming chill, the gradual decrease in daylight invites residents and visitors alike to relish the vibrant hues of early fall, all while bracing for the winter that lies ahead.
In September, Saltsjöbaden experiences a refreshing shift as the average wind speed rises to 4.8 m/s (11 mph), a slight boost from the milder summer months. This gentle increase in wind creates a vibrant atmosphere, perfect for enjoying outdoor activities against the backdrop of autumn's early arrival. As the year progresses into October, winds will pick up further, reaching an average of 5.8 m/s (13 mph), hinting at the transition from the soft breezes of summer to the brisk gusts of fall. This trend showcases September as a transitional month, where the lingering warmth of summer gently gives way to the invigorating crispness of autumn winds.
Weather in Saltsjoebaden varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saltsjoebaden, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures in Saltsjöbaden range from a mild minimum of 3°C (38°F) to a pleasant maximum of 22°C (72°F), with an average of 13°C (56°F), making it a comfortable month for outdoor activities. The weather is characterized by moderate precipitation of 52 mm (2.0 in) over about 10 days, and humidity levels settle around 85%. In contrast, January experiences a significant drop in temperatures, with minimums plummeting to -15°C (6°F) and a maximum of only 9°C (49°F), resulting in an average temperature of 0°C (33°F). January sees slightly less precipitation at 43 mm (1.7 in), but the humidity is higher at 90%, contributing to the cold and crisp atmosphere. For more details, you can explore Saltsjoebaden weather in January.
Comparing the weather between September and February reveals stark contrasts in temperature and conditions. In September, temperatures range from a minimum of 3°C (38°F) to a pleasant maximum of 22°C (72°F), with an average of 13°C (56°F). The month sees around 52 mm of precipitation over approximately 10 days, accompanied by a high humidity level of 85%. In contrast, February experiences much colder weather, with temperatures dropping to a minimum of -12°C (11°F) and an average of 0°C (32°F), peaking at only 9°C (48°F). Precipitation in February is slightly lower at 38 mm over 9 days, and humidity is slightly higher at 88%. For more detailed insights on February conditions, you can refer to Saltsjoebaden weather in February.
When comparing the weather in September and March, notable differences emerge. September experiences milder temperatures, with averages around 13°C (56°F) and highs reaching 22°C (72°F), while March is much colder, with average temperatures plunging to just 2°C (35°F) and maximums of 14°C (57°F). Precipitation levels are somewhat similar: September sees 52 mm (2.0 in) of rainfall over approximately 10 days, whereas March records 44 mm (1.7 in) over 9 days. Increased humidity is present in both months, with September at 85% and March slightly higher at 89%. For a detailed look at March weather specifically, visit Saltsjoebaden weather in March.
In comparing the weather between September and April, we can see notable differences in temperatures and precipitation patterns. September boasts milder temperatures, with averages ranging from 3°C (38°F) to 22°C (72°F), while April experiences cooler conditions, with temperatures ranging from -5°C (24°F) to 17°C (62°F). Additionally, September tends to be wetter, receiving 52 mm (2.0 in) of precipitation over about 10 days, compared to April's 25 mm (1.0 in) over just 7 days. Both months share a high humidity level of 85%, adding to the chill of April despite its shorter rainy duration. For more specific insights, check out the Saltsjoebaden weather in April.
When comparing the weather in September and May, one can observe notable differences in temperature and humidity. September generally offers milder temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), with an average of 13°C (56°F). In contrast, May experiences cooler conditions, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 21°C (69°F) and an average of 9°C (49°F). Precipitation levels are quite similar, with September receiving 52 mm (2.0 in) across about 10 days and May seeing slightly less at 50 mm (2.0 in) over 9 days. Additionally, September has a higher humidity level at 85%, compared to May's 77%. For more detailed insights, you can visit Saltsjoebaden weather in May.
When comparing the weather in September and June, we see a distinct difference in temperature and humidity. September offers cooler temperatures with a minimum of 3°C (38°F) and an average of 13°C (56°F), while June enjoys slightly warmer conditions, starting at a minimum of 7°C (44°F) and averaging 15°C (60°F). Additionally, September experiences higher humidity levels at 85% compared to June's 76%. In terms of precipitation, September has a bit more rainfall at 52 mm (2.0 in) over 10 days, while June records 44 mm (1.7 in) across 7 days. For more detailed insights on June weather, check Saltsjoebaden weather in June.
In comparing the weather between September and July, we see a distinct shift toward cooler temperatures as summer transitions to autumn. September experiences a minimum temperature of 3°C (38°F) and an average of 13°C (56°F), while July is notably warmer, with a minimum temperature of 9°C (48°F) and an average of 17°C (64°F). The maximum temperature in September reaches only 22°C (72°F), compared to July's warmer peak of 26°C (80°F). Additionally, September tends to be more humid, with humidity levels at 85% versus July's 74%. Precipitation is fairly comparable, with September receiving 52 mm (2.0 in) over 10 days, while July sees slightly more at 55 mm (2.1 in) across 9 days. For more detailed insights into July weather, you can refer to Saltsjoebaden weather in July.
In comparing the weather between September and August, it is evident that September experiences cooler temperatures, with a minimum of 3°C (38°F) and an average of 13°C (56°F), compared to August's milder minimum of 8°C (47°F) and an average of 17°C (63°F). The maximum temperatures in September reach up to 22°C (72°F), while August sees higher peaks at 27°C (81°F). Additionally, September tends to be slightly wetter, with 52 mm (2.0 in) of precipitation over 10 days, whereas August has a total of 68 mm (2.7 in) across 12 days. The humidity in September is higher at 85% compared to August's 77%. For those interested in a more detailed look at August weather, you can check Saltsjoebaden weather in August.
In comparing the weather of September and October, September typically enjoys milder temperatures, with averages around 13°C (56°F) and max highs reaching 22°C (72°F). However, it is also a month characterized by considerable humidity at 85% and some rainfall, with about 52 mm (2.0 in) falling over 10 days. In contrast, October ushers in cooler conditions, with average temperatures dropping to 9°C (48°F) and maximums not exceeding 16°C (60°F). This month experiences increased precipitation, totaling 76 mm (3.0 in) over 13 days, along with a slightly higher humidity of 89%. For more detailed insights, you can visit Saltsjoebaden weather in October.
September weather offers a mild transition from summer, with average temperatures around 13°C (56°F) and maximums peaking at 22°C (72°F). The humidity is relatively high at 85%, contributing to a comfortable yet slightly damp atmosphere, with rainfall occurring on about 10 days. In contrast, November ushers in a much cooler climate, with average temperatures dropping to 5°C (41°F) and minimums occasionally plunging to -7°C (20°F). Although the precipitation remains similar at 50 mm (2.0 in) over approximately 11 days, the higher humidity of 90% can make the air feel even colder. For a closer look at what to expect, check out Saltsjoebaden weather in November.
In comparing the weather between September and December, a stark transition is evident. September typically experiences milder temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), with an average of 13°C (56°F). The month has an average precipitation of 52 mm (2.0 in) over about 10 days and a relatively high humidity level of 85%. In contrast, December brings a much colder climate, with minimum temperatures plunging to -10°C (14°F) and maximums only reaching 8°C (47°F), leading to an average temperature of just 2°C (35°F). Precipitation increases slightly to 70 mm (2.8 in) across approximately 15 days, accompanied by a similar humidity level of 87%. For those interested in more detailed weather conditions, you can check Saltsjoebaden weather in December.
As September unfolds in Saltsjoebaden, the transition from summer to autumn becomes palpable, bringing a unique blend of cool, crisp air and occasional rainfall. The month is characterized by a mild average temperature that feels refreshing compared to the hotter days of summer, while the increased chance of precipitation adds a layer of unpredictability to outdoor activities. With humidity levels on the higher side, the atmosphere can feel quite distinct, heralding the change of seasons. For a more detailed overview of how September stacks up against other months, explore the Saltsjoebaden Climate.