Last updated: August 27, 2025
In Mariestad, Sweden, the weather in September presents a dynamic blend of mild temperatures and notable precipitation. With a maximum of 22°C (73°F) and an average of 13°C (56°F), the days are comfortably warm, while the minimum can drop to 5°C (42°F) during chilly nights. This month witnesses a generous 97 mm (3.8 in) of rainfall, spread across approximately 14 days, resulting in a high humidity level of 86% that envelops the town in a fresh, crisp atmosphere. September in Mariestad promises a charming yet variable climate, perfect for enjoying the early autumn scenery.
September in Mariestad, Sweden, marks a gentle transition from summer's warmth to the cool embrace of autumn. With temperatures ranging from a minimum of 5°C (42°F) to a maximum of 22°C (73°F), the month offers a comfortable average of 13°C (56°F). This shift is evident as the daily highs gradually decline from the balmy warmth of late summer, providing a pleasant yet crisp ambiance perfect for outdoor exploration. As the days shorten and nature begins its colorful transformation, September invites both locals and visitors to enjoy the serene beauty that comes with the onset of fall, making it an ideal time for leisurely strolls and appreciating the changing landscape.
September marks a notable peak in precipitation for Mariestad, Sweden, with 97 mm (3.8 in) of rainfall, tying with October for the highest monthly total of the year. This month typically experiences about 14 rainy days, contributing to the lush landscapes that characterize the region heading into autumn. Following a summer of increasing precipitation—with August already bringing 92 mm (3.6 in)—September's rainfall signifies a transition as the days grow shorter and temperatures begin to cool. This surge from the summer months not only highlights the seasonal shift in weather patterns but also sets the stage for the wetter months ahead, reminding residents and visitors alike of the vibrant yet temperamental climate in Mariestad.
As the summer warmth begins to wane, September humidity in Mariestad, Sweden sees a notable uptick, reaching 86%. This increase marks a transition from the drier air of July and August, which hovered around 70% and 77%, respectively. Following a consistent decline from the high of 94% in January, humidity levels gradually decrease throughout the spring and summer months before experiencing this late-season rise. As autumn approaches, the return to more humid conditions hints at the impending chill of winter, where humidity swiftly climbs again, peaking at 91% in October and remaining high through the winter months. This cyclical trend emphasizes Mariestad's characteristic shifts, blending humid summers with moisture-laden autumns and winters, creating a climate that feels both refreshing and robust throughout the year.
As September arrives in Mariestad, Sweden, the UV Index begins to decline from the peaks of summer. With a UV Index of 4, classified as moderate, the potential for sunburn is present, allowing for a recommended burn time of 30 minutes. This marks a transition from the high exposure levels experienced in July and August, which typically saw a UV Index of 6 to 7. Observing these trends, it's clear that while contributors to sun safety remain important as summer fades, autumn brings a respite from intense sun exposure. For more detailed insights on UV levels throughout the year, explore Mariestad UV Index.
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As summer transitions to autumn in Mariestad, Sweden, September brings a delightful shift in daylight, with 298 hours of sunshine illuminating the landscape. While this marks a notable decrease from the sun-drenched heights of summer, it still reflects a vibrant continuation of the warm season's legacy. The gradual decline from July’s peak of 476 hours foreshadows the approaching winter, yet September's golden rays often invite outdoor adventures, as the days are still relatively long and enjoyable. This month stands out as a beautiful bridge between the lushness of summer and the crispness of fall, making it an ideal time to savor the lingering warmth before the sun retreats further into the sky. As October approaches, the sun's rays will lessen to 233 hours, reminding us to cherish every moment of September’s brightness.
In September, Mariestad experiences a 31% chance of sunny weather, which marks a notable decline from the peak summer months of June and July, where the probability of sunshine hovers around 48% and 45%, respectively. As the vibrant hues of summer fade, the likelihood of clear skies gives way to the onset of autumn, reflected in the decrease observed in both August and September. This month stands as a transitional period, where sunshine becomes less frequent compared to the earlier warm months, yet it still holds more promise than the gloomier days of October and November. Overall, while September can still offer delightful sunny days, it serves as a gentle reminder that summer is gradually drawing to a close in Mariestad.
As summer fades into autumn, September in Mariestad, Sweden offers a graceful transition in daylight duration, with 12 hours of daylight welcoming the shadows of fall. This month marks a noticeable shift from the sun-drenched days of June, which bask in 18 hours of light, to the shorter days of October at 10 hours. The gradual decline in daylight from August's 15 hours to September’s 12 reflects nature's rhythm, where the vibrant landscapes begin to mellow and prepare for the winter ahead. This trend of diminishing daylight underscores the changing seasons, inviting residents and visitors alike to embrace the cozy essence of autumn.
In September, Mariestad experiences a reliable average wind speed of 4.8 m/s (11 mph), mirroring the conditions of the earlier months in the year, particularly those of January through April. This consistency in wind speeds signals a transition as summer draws to a close, with gentle breezes beginning to stir. Notably, the wind picks up in October to 5.8 m/s (13 mph), marking the onset of autumn's more vigorous gusts. With September's winds holding steady, it offers a perfect window for outdoor enthusiasts to enjoy the shifting seasons before the sharper winds make their entrance.
Weather in Mariestad varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mariestad, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures are relatively mild, ranging from a minimum of 5°C (42°F) to a maximum of 22°C (73°F), with an average of 13°C (56°F). The month experiences significant rainfall, with 97 mm (3.8 in) of precipitation occurring over 14 days, and humidity levels at 86%. In contrast, January brings much colder conditions, with temperatures dropping to a minimum of -9°C (15°F) and averaging just 1°C (34°F), peaking at 9°C (48°F). The precipitation in January is lower at 41 mm (1.6 in), spread over 8 days, and humidity is higher at 94%. For more details on the weather in Mariestad during January, you can refer to Mariestad weather in January.
In September, the weather is generally mild, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 22°C (73°F) and an average of 13°C (56°F). This month is characterized by relatively high humidity at 86% and notable precipitation, amounting to 97 mm (3.8 in) over approximately 14 days. In contrast, February brings much colder conditions, with temperatures dropping significantly to a minimum of -14°C (8°F), an average of 0°C (33°F), and a maximum of only 9°C (48°F). Although February experiences less precipitation (43 mm or 1.7 in), it still sees rain or snow over about 10 days and maintains a high humidity level of 92%. For more information, you can check Mariestad weather in February.
September and March exhibit significantly different weather patterns. In September, temperatures range from a low of 5°C (42°F) to a comfortable high of 22°C (73°F), with an average of 13°C (56°F). The month experiences 97 mm (3.8 in) of precipitation over 14 days, while humidity levels are relatively high at 86%. In contrast, March presents much colder conditions, with temperatures dipping as low as -14°C (7°F) and averaging just 2°C (35°F), peaking at 11°C (52°F). The precipitation is lower, totaling 50 mm (2.0 in) across 10 days, and humidity stands at 89%. For a more detailed overview of March weather, you can check Mariestad weather in March.
September and April present distinct weather patterns that highlight the transition between seasons. In September, temperatures range from a minimum of 5°C (42°F) to a comfortable maximum of 22°C (73°F), averaging around 13°C (56°F). Despite being a relatively mild month, September experiences considerable rainfall, with 97 mm (3.8 in) of precipitation over 14 days and humidity levels reaching 86%. In contrast, April is cooler, with minimum temperatures dropping to -5°C (23°F) and an average of 5°C (41°F). The maximum temperature in April peaks at 17°C (62°F), and it is characterized by less precipitation, totaling just 28 mm (1.1 in) over 6 days, along with slightly lower humidity at 81%. For a more detailed look at April weather, visit Mariestad weather in April. Overall, September offers warmer weather and increased rainfall, while April presents a cooler and drier atmosphere as winter gives way to spring.
In comparing the weather of September and May, we see notable differences in temperature and humidity. September enjoys a wider temperature range, with a minimum of 5°C (42°F) and an average high of 22°C (73°F), while May has a slightly cooler minimum of 1°C (35°F) and a similar maximum of 22°C (72°F). This makes September feel warmer on average, with a more humid atmosphere, boasting a humidity level of 86% compared to May's 72%. Additionally, September experiences more rainfall, totaling 97 mm (3.8 in) over 14 days, whereas May sees less precipitation at 61 mm (2.4 in) across 11 days. For a deeper insight into the characteristics of May weather, check out Mariestad weather in May.
In comparing the weather between September and June, we see notable differences in temperature and humidity levels. September experiences a cooler range, with average temperatures hovering around 13°C (56°F) and maximums reaching 22°C (73°F), while June offers warmer conditions, with averages of 16°C (61°F) and highs of 27°C (80°F). Additionally, September is characterized by higher humidity at 86% compared to June's 68%, contributing to a more damp feel as the month progresses. Rainfall also varies, with September receiving more precipitation at 97 mm (3.8 in) over 14 days, whereas June experiences 62 mm (2.4 in) across 11 days. For a more detailed look at the weather during this month, you can visit Mariestad weather in June.
When comparing the weather in September and July, it's clear that July is typically warmer and drier. In July, temperatures range from a minimum of 9°C (49°F) to a maximum of 29°C (84°F), with an average of 18°C (65°F). August experiences less humidity at 70% and less precipitation overall, totaling 81 mm (3.2 in) over about 12 rainy days. In contrast, September sees cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 22°C (73°F), and an average temperature of 13°C (56°F). It is also wetter, with 97 mm (3.8 in) of rainfall spread over 14 days and a higher humidity level of 86%. For more details on July weather in this region, you can check Mariestad weather in July.
September typically brings cooler temperatures compared to August, with minimums dropping from 10°C (51°F) to 5°C (42°F) and average temperatures decreasing from 17°C (63°F) to 13°C (56°F). While August enjoys warmer maximum temperatures of up to 29°C (85°F), September peaks at a more moderate 22°C (73°F). Precipitation levels are similar, with September receiving slightly more rain at 97 mm (3.8 in) over 14 days compared to August's 92 mm (3.6 in) over 16 days. Additionally, September tends to be more humid, with an average of 86% compared to August's 77%. For more details on August's weather, visit Mariestad weather in August.
September and October present a noticeable shift in weather conditions. September enjoys milder temperatures, with averages around 13°C (56°F) and maximums reaching 22°C (73°F), while October cools down significantly, featuring an average temperature of 9°C (49°F) and a maximum of 19°C (66°F). Both months see the same amount of precipitation at 97 mm (3.8 in) over approximately 14 rainy days; however, October's humidity rises slightly to 91%, compared to September's 86%. For more specific insights into October's weather, you can check out Mariestad weather in October.
September and November exhibit marked differences in weather patterns. In September, temperatures range from a mild minimum of 5°C (42°F) to a comfortable maximum of 22°C (73°F), making it a warm month with an average temperature of 13°C (56°F). However, the month also brings substantial rainfall, with 97 mm (3.8 in) of precipitation over 14 days, coupled with a high humidity level of 86%.
In contrast, November experiences a notable drop in temperatures, with minimums dipping to -5°C (24°F) and a maximum of just 14°C (58°F). The average temperature for November is only 5°C (42°F). While it is less rainy than September, with 64 mm (2.5 in) of precipitation over 12 days, November's increased humidity of 93% can make the air feel chillier. For more detailed insights, check out Mariestad weather in November.
In comparing September and December weather, significant differences emerge in temperature and overall conditions. September typically sees milder temperatures, ranging from a minimum of 5°C (42°F) to a maximum of 22°C (73°F), with an average of 13°C (56°F). The month experiences about 97 mm (3.8 in) of precipitation over approximately 14 days, while humidity levels are a notable 86%.
In contrast, December usher in much colder temperatures, dropping to a minimum of -8°C (18°F) and peaking at just 8°C (47°F), with an average temperature of only 2°C (36°F). Although December has less precipitation at 63 mm (2.5 in) over 15 days, humidity is higher at 94%, adding to the winter chill. For a more detailed look at what to expect, check out this link: Mariestad weather in December.
As summer gracefully gives way to autumn, September in Mariestad offers a refreshing change, characterized by cooler mornings and mild afternoons. With an average temperature hovering around 13°C (56°F), the days are noticeably less warm than the sun-soaked months preceding it. The increased humidity and more frequent rainfall—spanning nearly half the month—bring a lush vibrancy to the landscape, a stark contrast to the dry, hot days of July and August. While the weather can be unpredictable, those who embrace the crisp air and occasional showers will find a unique charm in this transitional month. For a deeper dive into what to expect from Mariestad's weather throughout the year, visit Mariestad Climate.