September Weather in Hamburgsund, Sweden

Last updated: August 27, 2025

September in Hamburgsund, Sweden showcases a blend of mild temperatures and a hint of autumnal charm. With maximum highs reaching 21°C (70°F) and an average of 14°C (57°F), the weather remains comfortably cool. However, as the month progresses, the minimum temperature dips to 6°C (43°F), inviting cozy layers. Rainfall is a frequent visitor, with 109 mm (4.3 in) spread across 15 days, contributing to an overall humidity level of 86%. The combination of vibrant landscapes and dynamic weather patterns makes September a captivating time to experience this coastal gem.

September Temperature in Hamburgsund

In September, Hamburgsund, Sweden, welcomes the transition from summer's warmth to the crispness of autumn. The temperatures begin to shift, with lows around 6°C (43°F) and pleasant averages of 14°C (57°F). As the month progresses, the highs reach a comfortable 21°C (70°F), making it a fantastic time for outdoor activities amidst the stunning fall foliage. Compared to the hotter summer months, September serves as a gentle reminder of the cooler days ahead, striking a perfect balance that invites both relaxation and adventure in Denmark's coastal charm.

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

The chart illustrates September temperature patterns in Hamburgsund, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamburgsund, 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 Hamburgsund 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 Hamburgsund

In September, Hamburgsund experiences a noticeable increase in rainfall, receiving 109 mm (4.3 in) of precipitation over 15 days. This uptick follows the trend set in August, which already marked the transition into wetter conditions with 97 mm (3.8 in). As summer fades, the region sees a shift towards a more pronounced autumn, reflected in both the volume and frequency of rain. Comparatively, October is even wetter, signaling that September's precipitation serves as a precursor to the peak rainfall months ahead. This pattern highlights the significance of September as a turning point, where the idyllic summer rains are replaced by the heavier, more persistent showers of fall, preparing Hamburgsund for the wetter months to come.

September Precipitation Trends in Hamburgsund

The chart displays monthly precipitation patterns in Hamburgsund, 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 Hamburgsund, 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 Hamburgsund

In September, Hamburgsund experiences a notable increase in humidity, rising to 86% as summer transitions into fall. This shift is part of a larger seasonal trend where humidity begins to gradually decline from the winter highs of 94% in January to the more moderate levels seen in late spring, with May dipping to 73%. However, as the year progresses and the days shorten, humidity levels start to creep back up, peaking again in the colder months of October and November. This cyclical pattern highlights the region's maritime climate, where the lingering warmth of summer still influences atmospheric moisture, setting the stage for the crisp, wet autumn days ahead.

September Average Humidity in Hamburgsund

This chart illustrates the average monthly humidity levels in Hamburgsund, 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 Hamburgsund 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 Hamburgsund

As autumn approaches in Hamburgsund, Sweden, the UV Index in September reflects a noticeable shift, dipping to a moderate value of 4. This change indicates a decrease from the high levels experienced during the summer months, where July and June reached a peak of 7. With a burn time of 30 minutes, this month offers a balanced opportunity for outdoor activities while still necessitating some sun protection. By comparison, May and August also showcased higher exposure levels, underscoring the transition into a milder climate as daylight shortens. Overall, September serves as a reminder that while UV exposure lessens, it remains essential to stay aware of sun safety. For more detailed information, visit Hamburgsund UV Index.

Maximum UV Index Levels in Hamburgsund for September

The chart shows the monthly maximum UV Index (UVI) for Hamburgsund 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 Hamburgsund typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467764211
Data source: Hamburgsund 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 Hamburgsund

In Hamburgsund, Sweden, the month of September shines with an impressive 307 hours of sunlight, marking a transition from the bright, sun-drenched days of summer. This month sees a gentle decline in sunshine as the summer peak of 476 hours in July begins to recede. However, September still enjoys significantly more light compared to the winter months, like January with just 92 hours. As autumn approaches, the gradual reduction in daylight signals the change of seasons, making September a beautiful blend of lingering warmth and the early hints of fall. This trend of diminishing sunshine doesn't dampen the charm of Hamburgsund; rather, it invites locals and visitors alike to relish the rich colors of nature as the days grow shorter.

Monthly Sunshine Duration in Hamburgsund: September Highlighted

The September sunshine duration represents the total number of hours Hamburgsund 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: Hamburgsund September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hamburgsund During September

In September, the likelihood of enjoying sunny weather in Hamburgsund, Sweden dips to 30%, marking a noticeable decline from the warmer summer months. As the days transition from the vibrant sun of August, which offers a 45% chance of sunshine, the early signs of autumn begin to set in. This trend of decreasing sunshine continues into the fall, with October and November seeing even lower percentages at 28% and 24%, respectively. While September may not be the sunniest month in the year, it still presents a delicate balance of warming hues and the onset of crisp, cool air, making it a unique time for locals and visitors alike.

Percentage of Sunny Days in September in Hamburgsund

The chart illustrates the percentage of sunny days in Hamburgsund 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 Hamburgsund experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%38%45%59%34%46%46%45%30%28%24%29%
Data source: Hamburgsund September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hamburgsund in September

As summer fades in Hamburgsund, September marks a transitional phase in daylight duration. With an average of 12 hours of daylight, this month signifies a gentle decline from the sun-drenched heights of June, where daylight peaked at an impressive 18 hours. The gradual reduction in daylight continues a trend established from the previous month, August, which offered 15 hours of light. As the days begin to shorten, the vibrant hues of autumn start to emerge, framing the landscape in a picturesque glow. Looking ahead, October will see daylight dip further to 10 hours, emphasizing the shift toward the cozier, darker days of winter that will soon follow.

Average Daylight Hours in Hamburgsund for September

The chart illustrates the variation in daylight duration in Hamburgsund 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: Hamburgsund daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Hamburgsund

As summer fades, September in Hamburgsund, Sweden marks a transition in the winds, bringing an average speed of 4.9 m/s (11 mph). This slight increase from the more tranquil air often felt in July and August suggests the onset of autumn's brisk embrace. The wind picks up noticeably in the following months, notably October's peak of 6.6 m/s (15 mph), hinting at the approaching stormier season. September serves as a gentle bridge, where the remnants of summer warmth collide with the invigorating chill of the fall winds, creating an inviting atmosphere for both residents and visitors to relish in nature's transformation.

Average September Wind Speed in Hamburgsund

The chart displays monthly wind speed patterns in Hamburgsund, 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: Hamburgsund September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Hamburgsund Compares to Other Months

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

September and January present contrasting weather patterns. In September, temperatures are milder, ranging from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), with an average of 14°C (57°F). The month experiences a significant amount of rainfall, measuring 109 mm (4.3 in) over 15 days, coupled with high humidity at 86%. In stark contrast, January sees much colder conditions, with temperatures dropping to a minimum of -8°C (17°F) and only reaching a maximum of 9°C (49°F), averaging around 3°C (37°F). Rainfall is less frequent, totaling 58 mm (2.3 in) over 11 days, while humidity is slightly higher at 94%. For further details on January weather in the region, check out Hamburgsund weather in January.

In September, the weather features milder temperatures, with a minimum of 6°C (43°F), an average of 14°C (57°F), and a maximum of 21°C (70°F). The month sees significant rainfall, averaging 109 mm (4.3 inches) over approximately 15 days, and a humidity level of 86%. In contrast, February presents a much colder climate, where temperatures can drop to a minimum of -11°C (12°F), with an average of 2°C (35°F) and a maximum of only 9°C (48°F). Although February experiences less precipitation at 68 mm (2.7 inches) over about 11 days, it has a higher humidity level of 92%. For a more detailed look at February weather, you can visit Hamburgsund weather in February.

September and March showcase strikingly different weather patterns. In September, temperatures range from a 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 receives a notable 109 mm (4.3 in) of precipitation across 15 days, accompanied by relatively high humidity at 86%. In contrast, March experiences much colder temperatures, with a minimum of -11°C (12°F) and a maximum of only 11°C (52°F), resulting in an average of just 3°C (38°F). Precipitation in March totals 66 mm (2.6 in) over 10 days, along with slightly higher humidity at 89%. This comparison illustrates the transition from the mild, damp days of early autumn in September to the chill and occasional precipitation seen in March. For more details about weather conditions during this month, you can check out Hamburgsund weather in March.

In comparing the weather of September and April, we can see a distinct transition between the two months. September boasts a milder temperature range, with averages of 14°C (57°F) and highs reaching up to 21°C (70°F), while April is notably chillier, averaging just 6°C (44°F) and experiencing lows that can dip to -3°C (28°F). Furthermore, September is much wetter, with 109 mm (4.3 in) of precipitation over approximately 15 days, compared to April's lighter rainfall of 34 mm (1.3 in) spread across just 7 days. Both months are relatively humid, but September holds a slightly higher humidity level at 86%, compared to April's 82%. To explore more about the weather specifics for this time of year, you can visit Hamburgsund weather in April.

In September, the weather is generally mild, with average temperatures ranging from a cool 6°C (43°F) to a comfortable max of 21°C (70°F), accompanied by significant humidity at 86%. Rainfall is more frequent during this month, totaling 109 mm (4.3 in) across about 15 days, making the atmosphere feel more damp. In contrast, May presents a warmer climate with temperatures fluctuating from a chilly 2°C (36°F) to a pleasant max of 26°C (80°F). Precipitation in May is lighter, totaling 59 mm (2.3 in) over approximately 10 days, and the humidity is lower at 73%, creating a more comfortable environment for outdoor activities. For a detailed look at what you can expect during May, check out Hamburgsund weather in May.

In comparing the weather of September and June, one can observe distinct differences in temperature and precipitation patterns. September typically experiences cooler temperatures, with a minimum of 6°C (43°F) and an average of 14°C (57°F), while June enjoys warmer temperatures, with a minimum of 9°C (48°F) and an average of 16°C (61°F). Additionally, June is drier, receiving only 66 mm (2.6 in) of precipitation over 10 days, compared to September’s 109 mm (4.3 in) over 15 days. Furthermore, humidity levels are higher in September at 86%, compared to June's 71%. For more detailed insights about June weather specifically, you can visit Hamburgsund weather in June.

In comparing the weather of September and July, September tends to be cooler and wetter. The average temperatures in September range from a chilly 6°C (43°F) at night to a mild 21°C (70°F) during the day, while July enjoys warmer temperatures, with lows of 11°C (52°F) and highs reaching up to 27°C (81°F). Additionally, September sees more precipitation, totaling 109 mm (4.3 in) over 15 days, compared to July's 80 mm (3.1 in) over just 10 days. The humidity level in September is notably higher at 86%, whereas July maintains a more comfortable 72%. For a closer look at July's conditions, you can check out Hamburgsund weather in July.

In comparing the weather between August and September, it is evident that September experiences cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 21°C (70°F), in contrast to August's warmer range of 10°C (51°F) to 28°C (83°F). The average temperature in September is 14°C (57°F), significantly lower than August's average of 17°C (62°F). Additionally, September sees slightly more precipitation, totaling 109 mm (4.3 in) over 15 days, compared to August's 97 mm (3.8 in) across 14 days. Moreover, September's humidity is higher at 86%, compared to August's 77%, contributing to a generally cooler and wetter atmosphere as the season transitions. For more specifics on the weather conditions during the summer, you can visit Hamburgsund weather in August.

September's weather brings milder temperatures, with averages around 14°C (57°F) and maximums reaching 21°C (70°F). The month experiences moderate rainfall of 109 mm (4.3 in) over 15 days, accompanied by relatively high humidity levels of 86%. In contrast, October sees a notable drop in temperatures, with averages declining to just 10°C (51°F) and maximums peaking at 17°C (63°F). Rainfall increases slightly to 129 mm (5.1 in), occurring over 17 days, and humidity rises to 92%. For more detailed information, you can check out Hamburgsund weather in October.

In September, the weather is generally milder, with 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 a higher level of rainfall, totaling 109 mm (4.3 in) over about 15 days, alongside a humidity of 86%. In contrast, November brings a notable chill, with temperatures dropping to a minimum of -6°C (22°F) and reaching a maximum of 14°C (58°F), averaging around 6°C (44°F). While the precipitation is slightly lower at 100 mm (3.9 in), it still occurs on about 15 days, and humidity rises to 93%. For those interested in more detailed insights about November weather, visit Hamburgsund weather in November.

September and December present contrasting weather conditions in Hamburgsund. In September, temperatures range from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), with an average of 14°C (57°F). This month also sees relatively high humidity at 86% and a total precipitation of 109 mm (4.3 in) over about 15 days. Conversely, December brings colder temperatures, with a minimum of -7°C (20°F) and a maximum of 11°C (51°F), averaging just 3°C (38°F). Although December has lower total precipitation at 87 mm (3.4 in), it has slightly more rainy days, totaling 16, and higher humidity at 93%. For more detailed information, you can check Hamburgsund weather in December.

Compare Hamburgsund's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Hamburgsund

As September unfolds in Hamburgsund, it ushers in a delightful transition from the warmth of summer to a cooler, more temperate climate. With average temperatures dipping and a noticeable increase in humidity, the month marks a shift as the days grow shorter and the landscape begins to prepare for autumn. While it's not uncommon to experience some rainfall, with about half the month seeing precipitation, this charming seaside town still offers plenty of opportunities to enjoy its natural beauty. For a comprehensive overview of Hamburgsund's climate patterns, visit Hamburgsund Climate.