September Weather in Hunnebostrand, Sweden

Last updated: August 27, 2025

In September, Hunnebostrand, Sweden experiences a dynamic climate characterized by a maximum temperature of 21°C (70°F) and an average of 14°C (57°F), while the mercury dips to a minimum of 6°C (43°F). This transition month heralds the onset of autumn with a total precipitation of 109 mm (4.3 in) spread over 15 days, resulting in a notably humid environment at 86%. Visitors should prepare for a mix of chilly breezes and refreshing rainfall, making it a perfect time to enjoy the stunning coastal scenery and vibrant fall colors.

September Temperature in Hunnebostrand

As September unfolds in Hunnebostrand, Sweden, the lingering warmth of summer gives way to the crisp beginnings of autumn. Temperatures during this month range from a mild 6°C (43°F) at night to a pleasant 21°C (70°F) during the day, with an average of 14°C (57°F). This transition is marked by a gradual cooling trend, as evenings become noticeably fresh, yet the days still retain a hint of summer's warmth, creating an inviting atmosphere for outdoor exploration. September's climate showcases a harmonious blend of lingering warmth and the onset of cooler days, making it an ideal time for both relaxation and adventure in this picturesque coastal village.

September Weather in Hunnebostrand: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Hunnebostrand, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hunnebostrand, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec373538445261646257504338
Data source: Temperature data for Hunnebostrand generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Hunnebostrand

September marks a significant uptick in precipitation for Hunnebostrand, with the month receiving 109 mm (4.3 in) of rainfall spread across 15 days. This surge follows the previous month's notable volume of 97 mm (3.8 in) in August, establishing September as the wettest month of the year so far. The increase in precipitation highlights a shift from the drier summer months, characterized by 80 mm (3.1 in) in July and 66 mm (2.6 in) in June. As autumn approaches, the frequency of rainy days rises, paving the way for more overcast skies and the refreshing embrace of the Swedish fall. This trend sets the stage for October, which continues the pattern of increased rainfall, reminding residents and visitors alike to prepare for the cozy, introspective atmosphere that comes with the season.

September Precipitation Trends in Hunnebostrand

The chart displays monthly precipitation patterns in Hunnebostrand, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Hunnebostrand, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec586866345966809810912910087
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hunnebostrand

In September, Hunnebostrand experiences a notable uptick in humidity, averaging 86%, marking a shift from the drier summer months. Following the warm, sun-kissed days of July and August, where humidity levels hovered around 72% and 77% respectively, September signals the onset of autumn with an increase that brings a subtle chill to the air. This rise is part of a longer trend, where humidity gradually escalates from a low of 71% in June to the comparatively higher levels of autumn, often peaking again in the cold winter months. Thus, as September unfolds, residents and visitors alike can expect a refreshing, albeit slightly more humid atmosphere as nature transitions into its vibrant fall colors.

September Average Humidity in Hunnebostrand

This chart illustrates the average monthly humidity levels in Hunnebostrand, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Hunnebostrand is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hunnebostrand

As summer transitions into fall, the UV Index in Hunnebostrand, Sweden, showcases a noticeable decline. In September, the UV Index drops to 4, indicating a moderate exposure category, with an estimated burn time of 30 minutes. This shift from the peak summer months, where indices reached up to 7, signals a gradual decrease in solar intensity. Despite the dip, it's still essential to be mindful of sun exposure, especially during peak hours. For those enjoying the beautiful late-summer days, understanding these trends helps ensure safe sun practices. For more information, check out the Hunnebostrand UV Index.

Maximum UV Index Levels in Hunnebostrand for September

The chart shows the monthly maximum UV Index (UVI) for Hunnebostrand in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Hunnebostrand typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467764211
Data source: Hunnebostrand September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Hunnebostrand

As summer fades into autumn, September in Hunnebostrand, Sweden, offers a delightful transition marked by 307 hours of sunshine. Following the sunniest months of July and June, which basked in 476 and 470 hours respectively, September brings a gentle shift, showcasing a still generous amount of light for outdoor adventures. With daylight decreasing as we head into the colder months, visitors can appreciate the lingering warmth of early fall, while the landscape gradually transforms into rich autumn hues. This month serves as a beautiful bridge, allowing residents and travelers alike to enjoy the tail end of summer's radiance before the shorter days of October settle in.

Monthly Sunshine Duration in Hunnebostrand: September Highlighted

The September sunshine duration represents the total number of hours Hunnebostrand experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec92h177h282h379h443h470h476h413h307h248h142h105h
Data source: Hunnebostrand September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hunnebostrand During September

As September rolls into Hunnebostrand, the likelihood of sunny weather dips to 30%, marking it as one of the cloudier months of the year. This decline follows the summer’s peak months, where the chances of sunshine hovered around the 45-46% mark in July and August. The cooler autumn air begins to set in, resulting in a noticeable decrease in sunlit days compared to the more vibrant spring months like April with 59% sunlight. While September may not promise extensive sunbathing opportunities, it still offers a charm of its own as the landscape transitions, inviting visitors to embrace the quieter beauty of this coastal town. As you plan your visit, keep in mind that the odds of sunny days are less favorable compared to the summer but still present a delightful experience amidst the changing season.

Percentage of Sunny Days in September in Hunnebostrand

The chart illustrates the percentage of sunny days in Hunnebostrand throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Hunnebostrand experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%38%45%59%34%46%46%45%30%28%24%29%
Data source: Hunnebostrand September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hunnebostrand in September

As summer gently fades, September in Hunnebostrand welcomes a transition marked by a return to shorter days. With 12 hours of daylight, this month signals the gradual winding down from the sun-drenched heights of June's 18 hours. The days grow shorter, yet still offer a generous amount of natural light, inviting residents and visitors alike to relish in the warm hues of early autumn. Following the vibrant 16 hours of daylight in May and the leisurely 15 hours of August, September serves as a reminder of nature's rhythm, with its decreasing daylight hinting at the chilly embrace of winter ahead. The descent is gentle, as the community prepares for the cozy months, while still basking in the lingering warmth of the sun.

Average Daylight Hours in Hunnebostrand for September

The chart illustrates the variation in daylight duration in Hunnebostrand throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 10m9h 20m11h 52m14h 28m16h 50m18h 10m17h 26m15h 16m12h 44m10h 11m7h 47m6h 27m
Data source: Hunnebostrand daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Hunnebostrand

As summer fades into autumn, September in Hunnebostrand experiences a gentle increase in wind speed, averaging 4.9 m/s (11 mph). This marks a slight uptick from the leisurely breezes of August, which hovered around 4.5 m/s (10 mph). Interestingly, September's winds maintain a harmonious rhythm, echoing the moderate conditions observed in the earlier months of the year, particularly from January through April. However, a notable shift is on the horizon; October will usher in stronger gusts at 6.6 m/s (15 mph), signaling the transition into the blustery months ahead. This trend highlights the gradual yet significant evolution of wind patterns as Hunnebostrand prepares for the dynamic shifts of autumn.

Average September Wind Speed in Hunnebostrand

The chart displays monthly wind speed patterns in Hunnebostrand, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.15.55.55.34.34.64.24.54.9 m/s6.66.05.4
Data source: Hunnebostrand September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Hunnebostrand Compares to Other Months

Weather in Hunnebostrand varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hunnebostrand, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January showcase a stark contrast in weather patterns. September features milder temperatures, with a minimum of 6°C (43°F) and an average of 14°C (57°F), reaching a maximum of 21°C (70°F). This month also sees a fair amount of precipitation, totaling 109 mm (4.3 in) across 15 rainy days, while maintaining a relatively high humidity level of 86%. In contrast, January is marked by much colder temperatures, with a minimum of -8°C (17°F) and an average of only 3°C (37°F), peaking at 9°C (49°F). While January experiences less overall precipitation at 58 mm (2.3 in) across 11 days, it boasts higher humidity at 94%. For more specifics on January weather in Hunnebostrand, you can refer to this link: Hunnebostrand weather in January.

September and February present stark contrasts in weather. In September, temperatures range from a mild 6°C (43°F) to a warm 21°C (70°F), with an average of 14°C (57°F). While it sees 109 mm (4.3 in) of precipitation over 15 days, the humidity is relatively high at 86%. In contrast, February brings a chill with temperatures plummeting to a minimum of -11°C (12°F) and peaking at just 9°C (48°F), averaging around 2°C (35°F). Though February has less total precipitation at 68 mm (2.7 in) spread over 11 days, the humidity is slightly higher at 92%. For more details on the weather in February, you can visit Hunnebostrand weather in February.

When comparing the weather in September and March, it's clear that these two months offer distinctly different climates. September generally enjoys milder temperatures, with averages around 14°C (57°F) and highs reaching up to 21°C (70°F), complemented by relatively high humidity at 86%. In contrast, March experiences much colder conditions, with average temperatures plummeting to just 3°C (38°F) and maximums peaking at 11°C (52°F). Precipitation is more frequent in September, occurring over about 15 days, compared to 10 days in March, though the latter month sees a lower total precipitation amount of 66 mm (2.6 in). For more specific insights into March weather, you can explore Hunnebostrand weather in March.

September and April present notably different weather patterns. In September, temperatures range from a mild 6°C (43°F) to a comfortable 21°C (70°F), with an average of 14°C (57°F). The month is relatively wet, experiencing 109 mm (4.3 in) of precipitation over 15 days, accompanied by high humidity at 86%. In contrast, April sees cooler temperatures, with a minimum of -3°C (28°F) and a maximum of 18°C (64°F), averaging around 6°C (44°F). This month is much drier, with only 34 mm (1.3 in) of rain falling across 7 days and slightly lower humidity at 82%. For a detailed look at the weather specifics in April, you can check Hunnebostrand weather in April.

September and May exhibit quite distinct weather patterns. In September, temperatures range from a chilly minimum of 6°C (43°F) to a comfortable maximum of 21°C (70°F), with an average of 14°C (57°F). The month is characterized by relatively high humidity at 86%, and a significant amount of rainfall, accumulating 109 mm (4.3 in) over approximately 15 days. In contrast, May offers warmer conditions with a minimum temperature of 2°C (36°F) and a maximum of 26°C (80°F), averaging around 11°C (52°F). Precipitation is lower at 59 mm (2.3 in) across 10 days, and the humidity is notably reduced to 73%. This difference highlights May's transition to warmer, more stable weather compared to the cooler, wetter conditions of September. For a closer look at the weather in May, check out Hunnebostrand weather in May.

September's weather is characterized by cooler temperatures and higher humidity compared to June. While September sees an average temperature of 14°C (57°F), with highs reaching 21°C (70°F), June typically boasts warmer conditions with an average of 16°C (61°F) and maximums of 26°C (78°F). Additionally, September experiences more rainfall, totaling 109 mm (4.3 in) over about 15 days, compared to June's 66 mm (2.6 in) over 10 days. This increase in precipitation and humidity in September, averaging 86%, creates a distinctly different atmosphere than the drier and milder June climate. For a closer look at the specifics of June weather, you can refer to Hunnebostrand weather in June.

In comparing the weather of September and July, we see distinct differences in temperature and humidity. July boasts warmer temperatures, with a minimum of 11°C (52°F) and a maximum reaching 27°C (81°F), while September experiences cooler conditions, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 21°C (70°F). Additionally, July has lower precipitation at 80 mm (3.1 in) over 10 days, compared to September's 109 mm (4.3 in) over 15 days, indicating that September is both wetter and cloudier. Humidity levels also rise in September to 86%, while July presents a more comfortable 72%. For a more detailed look at July weather, you can check the information here: Hunnebostrand weather in July.

In comparing the weather between August and September, a noticeable shift occurs as summer transitions into autumn. August typically enjoys milder temperatures, with minimums around 10°C (51°F) and maximums reaching up to 28°C (83°F), while September sees a drop, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of just 21°C (70°F). Precipitation also plays a role in this seasonal change; August experiences 97 mm (3.8 in) over 14 days, whereas September records slightly more at 109 mm (4.3 in) over 15 days. Additionally, humidity levels are higher in September at 86%, compared to August's 77%, contributing to a more pronounced feeling of dampness as the month progresses. For more detailed insights into August weather, you can visit Hunnebostrand weather in August.

In September, the weather is relatively mild, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 21°C (70°F) and an average of 14°C (57°F). This month experiences around 109 mm (4.3 in) of precipitation over approximately 15 rainy days, accompanied by a humidity level of 86%.

In contrast, October brings a notable drop in temperatures, with minimums reaching 1°C (34°F) and maximums only up to 17°C (63°F), leading to an average of 10°C (51°F). The precipitation increases slightly to 129 mm (5.1 in) spread across about 17 days, while humidity rises to 92%.

For more detailed information, you can visit Hunnebostrand weather in October.

September and November present contrasting weather patterns as the seasons shift. In September, temperatures are generally milder, with a minimum of 6°C (43°F) and a pleasant average of 14°C (57°F), peaking at a comfortable 21°C (70°F). However, it also sees a fair amount of rainfall, with 109 mm (4.3 in) spread over 15 days and a humidity level of 86%.

In contrast, November brings a significant drop in temperatures, with lows plummeting to -6°C (22°F) and an average of just 6°C (44°F), while the maximum temperature reaches 14°C (58°F). Despite a slightly lower total precipitation of 100 mm (3.9 in) over the same number of rainy days, humidity rises to 93%, making the air feel even colder. For more details on November weather specifically, you can check Hunnebostrand weather in November.

In September, the weather is characterized by milder temperatures, with minimums around 6°C (43°F) and maximums reaching up to 21°C (70°F), making it a pleasant time for outdoor activities. The average temperature of 14°C (57°F) and relatively high humidity of 86% contribute to a comfortable, albeit occasionally rainy, environment with 109 mm of precipitation spread over 15 days.

In contrast, December brings much colder conditions, with temperatures plummeting to a minimum of -7°C (20°F) and a maximum of only 11°C (51°F). The average temperature drops to just 3°C (38°F), and the humidity increases to 93%, creating a chillier atmosphere. Although December sees less total precipitation at 87 mm (3.4 in), it is spread over 16 days, which can lead to a damp and wintry feel. For more insights into seasonal weather patterns, you can check Hunnebostrand weather in December.

Compare Hunnebostrand's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Hunnebostrand

As September rolls into Hunnebostrand, the weather shifts noticeably compared to the preceding summer months. The warmth gradually recedes, giving way to more temperate days with cooler nights. While you can still enjoy pleasant afternoons, the increased chances of rainfall—averaging 15 days and accumulating around 109 mm—remind us that autumn is on the horizon. With humidity levels reaching 86%, the air feels rich and crisp, making it a perfect time to embrace the scenic beauty of the area. For a comprehensive overview of what to expect throughout the year, check out Hunnebostrand Climate.