Last updated: August 27, 2025
In Grebbestad, Sweden, September ushers in a dynamic blend of weather, with temperatures ranging from a comfortable 21°C (70°F) at their peak to a crisp 6°C (42°F) overnight. The average temperature hovers around 14°C (57°F), providing a refreshing atmosphere as fall approaches. This month sees about 107 mm (4.2 in) of rainfall spread over approximately 14 days, contributing to the region's lush greenery. With humidity levels reaching 86%, the coastal charm of Grebbestad is heightened, inviting visitors to experience the serene beauty of the Swedish landscape amid its shifting September weather.
In September, Grebbestad transitions into the embrace of autumn, showcasing mild temperatures that mark a shift from the summer warmth. With a minimum of 6°C (42°F) and a comfortable average hovering around 14°C (57°F), the days are still pleasantly warm, peaking at a maximum of 21°C (70°F). This month effectively bridges the warmth of summer with the crispness of fall, offering a delightful climate for outdoor activities and scenic strolls along the coastline. As daylight begins to shorten, the changing hues of nature add a captivating charm, making September a remarkable time to experience the beauty of this coastal town.
In September, Grebbestad experiences a notable surge in precipitation, with an impressive 107 mm (4.2 in) of rain recorded over approximately 14 days. This marks a distinct increase compared to the preceding summer months, where August already set a high benchmark with 98 mm. The transition into autumn brings a noticeable uptick in wet days, setting the stage for the wetter October ahead, which typically sees even higher rainfall. September’s dampness, coupled with mild temperatures, creates a rich backdrop for the changing leaves and lush landscapes, inviting both locals and visitors to appreciate the serene beauty of this coastal town amidst the showers.
In Grebbestad, Sweden, September brings a noticeable shift in humidity, with levels rising to 86% after the summer months. This increase comes on the heels of a relatively pleasant summer, where humidity hovered around the low seventies, allowing for comfortable outdoor activities. As autumn approaches, September marks a transition from the drier conditions of summer to a more humid landscape reminiscent of winter's chill, as seen in October with its 92% humidity. Following this trend, the months leading into winter—November and December—maintain high humidity levels, consistently in the low to mid-nineties. Overall, September’s humidity serves as a gentle reminder of the wetter months ahead, setting the stage for the cozy indoor seasons that follow.
As September rolls in Grebbestad, Sweden, the UV Index settles at a moderate level of 4, allowing for safe outdoor activities with a burn time of around 30 minutes. This marks a subtle decline from the summer peak, where July and June recorded a high of 7, prompting extra sun protection measures. Following August's mild drop to a 5, September reflects a consistent trend as daylight wanes and the sun's intensity diminishes. With cooler temperatures on the horizon, it's an ideal time to enjoy the beautiful surroundings while remaining mindful of sun exposure. For more details on UV trends throughout the year, explore the Grebbestad UV Index.
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As summer gracefully transitions into autumn, September in Grebbestad offers a delightful balance of sunshine, boasting around 290 hours of daylight. This marks a gentle decline from the sun-drenched heights of July and August, which collectively bask in the glow of over 400 hours each. The sunny days of September serve as a farewell to the warm months, creating a vibrant atmosphere where the lingering warmth of summer meets the crispness of fall. While the days grow shorter, the month maintains a rich tapestry of light that invites locals and visitors alike to relish outdoor adventures and stunning coastal views. With a significant drop from the summer peak yet still plentiful, September stands as a serene bridge between the luscious warmth of summer and the enchanting coolness of autumn in Grebbestad.
In September, Grebbestad experiences a notably lower chance of sunny weather, with only a 30% likelihood of sun. This decline follows the sunniest months of late spring and summer, where percentages hovered around the mid to high 40s. The gradual drop in sunshine probability reflects a transition into autumn, as temperatures cool and cloud cover increases. Despite being a charming time to explore the coastal beauty of Sweden, visitors should be prepared for the possibility of overcast days, making sunshine a delightful surprise rather than an expectation.
As autumn approaches in Grebbestad, September marks a notable transition in daylight duration, with 12 hours of sunlight illuminating the days. This month sees a gradual decline from the summer peak of 18 hours in June and 17 hours in July, reflecting the onset of shorter days ahead. After basking in 16 hours of daylight in May and 15 hours in August, the shortening days remind us of nature’s cyclical rhythm. Following September, daylight continues to wane into October and November, where it dwindles to just 10 and 7 hours respectively. This dance of light is a beautiful reminder of the changing seasons, ushering in an entirely new atmosphere in this charming coastal town.
As summer gives way to autumn in Grebbestad, Sweden, September greets residents and visitors with a gentle breeze, averaging 4.8 m/s (11 mph). This marks a subtle increase from the calm winds of August, hinting at the transition into cooler months. The wind speed during this month is comparable to the earlier winter months, such as January and February, which also feature similar gusts at 4.9 m/s and 5.3 m/s respectively. Interestingly, it sets the stage for a notable uptick in wind intensity as October approaches, where the average wind speeds jump to 6.4 m/s (14 mph). This pattern suggests that while the warmth of summer fades, the briskness of fall begins to assert itself, providing a refreshing backdrop for the stunning autumn landscapes of Grebbestad.
Weather in Grebbestad varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Grebbestad, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather conditions. In September, temperatures generally range from a mild 6°C (42°F) to a comfortable max of 21°C (70°F), accompanied by an average of 14°C (57°F). This month experiences significant rainfall, with 107 mm (4.2 in) spread over 14 days and humidity levels at 86%. In stark contrast, January is quite chilly, with minimum temperatures dropping to -11°C (12°F) and a maximum of only 9°C (49°F), resulting in an average temperature of just 2°C (36°F). January also sees less precipitation, with 58 mm (2.3 in) over 11 days, albeit with a higher humidity of 94%. For more details, you can check Grebbestad weather in January.
September and February present contrasting weather conditions. September features a milder climate, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 21°C (70°F) and an average of 14°C (57°F). This month experiences substantial precipitation, totaling 107 mm (4.2 in) over approximately 14 days, along with a high humidity level of 86%. In contrast, February is significantly colder, with temperatures dipping from a minimum of -12°C (12°F) to a maximum of 9°C (49°F), averaging just 1°C (34°F). The month sees less precipitation, amounting to 66 mm (2.6 in) across 11 days, but the humidity is slightly higher at 92%. For more detailed weather insights, check out Grebbestad weather in February.
The weather in September typically exhibits milder temperatures compared to March, with average highs reaching around 21°C (70°F) and lows of 6°C (42°F). In contrast, March experiences significantly cooler temperatures, with averages hovering around 3°C (37°F) and nighttime lows dipping to -12°C (11°F). While September is characterized by higher precipitation levels at 107 mm (4.2 in) over approximately 14 days, March sees less rainfall, totaling 64 mm (2.5 in) across about 10 days. Additionally, humidity remains quite high in both months, with September at 86% and March slightly higher at 89%. For a closer look at the specifics of March weather, you can visit Grebbestad weather in March.
September and April present quite different weather experiences. In September, temperatures range from a mild 6°C to a comfortable 21°C, with an average of 14°C, making it more conducive for outdoor activities. However, it also brings with it significant rainfall, averaging 107 mm over about 14 days, while the humidity remains high at 86%. In contrast, April sees cooler temperatures, with a minimum of -5°C and a maximum of 18°C, averaging just 6°C. This month experiences considerably less precipitation, totaling only 34 mm across about 6 days, and lower humidity at 82%. For more detailed information, you can check out Grebbestad weather in April.
When comparing the weather in September and May, notable differences emerge in temperatures and humidity levels. September typically experiences a milder temperature range, with minimums around 6°C (42°F) and maximums reaching 21°C (70°F), resulting in an average of 14°C (57°F). In contrast, May tends to be cooler, with minimums of 2°C (36°F) and maximums peaking at 26°C (79°F), averaging 11°C (52°F). Additionally, September sees higher precipitation levels at 107 mm (4.2 in) over 14 days, while May has only 62 mm (2.4 in) over 11 days, and a lower humidity level of 73% compared to September's 86%. For a closer look at May weather specifics, visit Grebbestad weather in May.
In September, temperatures range from a minimum of 6°C (42°F) to a maximum of 21°C (70°F), with an average of 14°C (57°F). The month sees considerable rainfall, totaling 107 mm (4.2 in) over approximately 14 days, and the humidity remains high at around 86%. In contrast, June experiences milder weather with minimum temperatures of 8°C (47°F) and a warmer maximum of 26°C (79°F), averaging 16°C (61°F). Rainfall is less abundant in June, totaling 71 mm (2.8 in) over 10 days, and the humidity level is notably lower at 71%. For more detailed information about weather conditions, you can check Grebbestad weather in June.
In comparing the weather between September and July, we can see some notable differences. September experiences cooler temperatures, with averages around 14°C (57°F), while July typically enjoys warmer weather, averaging 17°C (64°F) and reaching maximums of 27°C (81°F). Additionally, September sees higher precipitation levels at 107 mm (4.2 in) spread over 14 days, compared to July's 84 mm (3.3 in) over just 10 days. Humidity also varies significantly, with September being more humid at 86% compared to July's 72%. For a more detailed look at July's weather, you can check Grebbestad weather in July.
September experiences cooler temperatures compared to August, with a minimum of 6°C (42°F) and an average of 14°C (57°F), while August sees a minima of 10°C (51°F) and an average of 17°C (62°F). The maximum temperatures in September peak at 21°C (70°F), significantly lower than August's comfortable high of 28°C (83°F). In terms of precipitation, both months are similar, with September receiving slightly more at 107 mm (4.2 in) compared to August's 98 mm (3.9 in), but both months experience rainfall on 14 days. September's humidity is higher at 86%, making it feel more damp than August, which has a humidity of 77%. For more detailed weather information, check out Grebbestad weather in August.
In September, the weather is relatively mild, with average temperatures ranging from a minimum of 6°C (42°F) to a maximum of 21°C (70°F). However, as we transition into October, temperatures drop significantly, with averages sitting between 0°C (33°F) and 17°C (62°F). Additionally, October experiences slightly more precipitation, totaling 129 mm (5.1 in) over 17 days compared to September's 107 mm (4.2 in) across 14 days. Humidity also increases in October, reaching 92% compared to September's 86%. For more details on October's weather, you can check Grebbestad weather in October.
In September, the weather typically features mild temperatures, with an average around 14°C (57°F) and daytime highs peaking at 21°C (70°F). However, as the month progresses into November, the climate takes a colder turn, dropping to an average of just 6°C (43°F) with nighttime lows reaching -5°C (23°F). Both months experience significant rainfall, with September seeing approximately 107 mm (4.2 in) across 14 days, while November has slightly less precipitation at 100 mm (4.0 in) over 15 days. Additionally, humidity levels rise in November, reaching 93%, compared to September's 86%. For more details on how November weather can impact your plans, check out Grebbestad weather in November.
September and December showcase a stark contrast in weather conditions. In September, temperatures range from a minimum of 6°C (42°F) to a maximum of 21°C (70°F), with an average of 14°C (57°F). This month experiences 107 mm (4.2 in) of precipitation over approximately 14 days, accompanied by a relatively high humidity level of 86%. In contrast, December brings much colder temperatures, with a minimum of -7°C (19°F) and a maximum of only 10°C (50°F), averaging 3°C (37°F). The precipitation during December totals 88 mm (3.5 in) over about 16 days, along with even higher humidity at 93%. For more details on December conditions, visit Grebbestad weather in December.
As September rolls into Grebbestad, the weather showcases a distinct transition, gently ushering in the cooler embrace of autumn. With a maximum temperature hovering around a comfortable 21°C, the month still offers pleasant afternoons, yet the average cools to 14°C, revealing the shift from summer warmth. However, the increase in rainfall, totaling 107 mm over 14 days, and a humidity level of 86% contribute to a more moist atmosphere, setting September apart from the drier summer months. This blend of lingering warmth and growing dampness creates a unique atmosphere, ideal for those looking to experience the serene beauty of Grebbestad as it prepares for the changing seasons. For a detailed overview of the region's climatic patterns, visit Grebbestad Climate.