September Weather in Sassnitz, Germany

Last updated: February 26, 2025

September in Sassnitz, Germany offers a mild transition into autumn, with average temperatures around 16°C (61°F) and maximum peaks reaching 25°C (77°F). However, the month is marked by a notable 81 mm (3.2 in) of precipitation spread over 13 days, resulting in a relatively high humidity level of 82%. Visitors can expect a mix of sunny days and occasional showers, making it a beautiful yet unpredictable time to explore the charming coastal town. Embrace the gentle change in the season, as the vibrant hues of nature paint a picturesque backdrop for outdoor activities and scenic strolls.

September Temperature in Sassnitz

As summer transitions to autumn in Sassnitz, Germany, September offers a pleasant climate with temperatures gradually cooling down. The minimum temperature settles comfortably at 11°C (52°F), while the average hovers around 16°C (61°F), ideal for outdoor activities. Daytime highs can reach a delightful 25°C (77°F), allowing for lingering warm afternoons before the chill of October sets in. The gradual shift from the warmth of summer to the crispness of fall is evident, as September finds a perfect balance between the fading summer heat and the upcoming autumn chill, inviting both locals and visitors to enjoy the stunning landscapes and vibrant seasonal changes.

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

The chart illustrates September temperature patterns in Sassnitz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec383739445262656661544740
Data source: Temperature data for Sassnitz generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sassnitz

In September, Sassnitz experiences a notable increase in precipitation, with 81 mm (3.2 in) of rainfall spread over 13 days. This marks a slight rise from the previous summer months, reflecting the transition into autumn. The trend shows a steady climb in rainfall from earlier in the year, with August’s 79 mm leading into September's heightened levels. With this uptick, the region prepares for the wetter fall months ahead, where October typically sees even more rainfall, reaching 107 mm (4.2 in). The consistent presence of rain in September contributes to the lush landscapes that characterize Sassnitz, making it a visually vibrant time despite the overcast skies.

September Precipitation Trends in Sassnitz

The chart displays monthly precipitation patterns in Sassnitz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6460593443547680811077775
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sassnitz

As summer gives way to autumn in Sassnitz, Germany, September brings a slight rise in humidity, settling at 82%. This marks a subtle transition from the warmer months, where humidity levels dipped to their lowest at 80% in August. The trend showcases a gentle ebb and flow, with humidity beginning to edge upward again as the days grow shorter. With October hovering around 85%, it indicates a reestablishment of the typically higher humidity levels common in the fall and winter months. Overall, September serves as a bridge, retaining some summer warmth while gradually ushering in the characteristic dampness of autumn.

September Average Humidity in Sassnitz

This chart illustrates the average monthly humidity levels in Sassnitz, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec87%88%87%85%82%81%82%80%82%85%85%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sassnitz

As summer fades into autumn in Sassnitz, Germany, the September UV Index settles at a moderate level of 5, reflecting a gradual decline from the peak of the summer months. This means beachgoers and sun seekers can still enjoy outdoor activities but should remain mindful of sun exposure, with a burn time of just 30 minutes for fair-skinned individuals. This month marks a notable shift from the very high and high levels seen in June through August, suggesting that while the sun remains a pleasant companion, the intensity is easing as the days grow shorter. As we transition into the fall, it’s essential to stay informed about the UV Index to enjoy the remaining sunlight safely. For more details, visit Sassnitz UV Index.

Maximum UV Index Levels in Sassnitz for September

The chart shows the monthly maximum UV Index (UVI) for Sassnitz 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568765311
Data source: Sassnitz 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 Sassnitz

In September, Sassnitz, Germany, basks in a delightful 308 hours of sunshine, marking a harmonious transition from the summer glow to the crispness of autumn. This month signifies a gentle decline in daylight, yet it remains a vibrant time, outshining the cooler October with its 249 hours. Notably, as we trace the year’s sunshine journey, we see a steady increase from January's meager 103 hours to a peak in April, showcasing the natural progression of longer days leading into summer. While the brighter days of May through August delightfully charm residents and visitors alike, September stands out as a bridge, allowing one last taste of summer’s warmth before the fast-approaching winter months.

Monthly Sunshine Duration in Sassnitz: September Highlighted

The September sunshine duration represents the total number of hours Sassnitz 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.
JanFebMarAprMayJunJulAugSepOctNovDec103h193h273h366h429h438h428h399h308h249h158h113h
Data source: Sassnitz September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sassnitz During September

In Sassnitz, Germany, the likelihood of sunny weather in September hovers around 32%, offering a moderate chance for glimpses of sunshine as summer transitions into autumn. This figure reflects a subtle decline from the sunnier months of June and April, both boasting a 49% chance of sun. Interestingly, while the sunny probabilities dip slightly as the year progresses into fall, they remain significantly higher compared to the danker winter months, like January and November, which are mired at 15% and 16% respectively. Thus, while September may not be the pinnacle of sunshine, it still presents opportunities for sunny days amidst the varying hues of fall.

Percentage of Sunny Days in September in Sassnitz

The chart illustrates the percentage of sunny days in Sassnitz 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 Sassnitz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%28%35%49%38%49%37%37%32%33%16%18%
Data source: Sassnitz September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sassnitz in September

As the summer sun begins to retreat, September in Sassnitz, Germany, offers a gentle transition with 12 hours of daylight, a delightful balance between the warmth of longer summer days and the impending shorter ones of autumn. This month marks a gradual decline from the peak of 17 hours seen in June, yet it's still notably longer compared to the diminished daylight of winter months. With each passing week, residents and visitors alike can savor the lingering light, enjoying the vibrant hues of early fall while preparing for the shorter days ahead in October, which will bring just 10 hours of daylight. As nature starts to shift, September provides a perfect opportunity to bask in the golden light of early autumn before winter's chill sets in.

Average Daylight Hours in Sassnitz for September

The chart illustrates the variation in daylight duration in Sassnitz throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 56m9h 43m11h 53m14h 7m16h 5m17h 8m16h 34m14h 48m12h 38m10h 26m8h 26m7h 21m
Data source: Sassnitz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Sassnitz

As September welcomes the autumn breeze in Sassnitz, Germany, the average wind speed settles at 6.3 m/s (14 mph). This marks a slight dip from the summer's higher winds, where August boasted a gustier 6.9 m/s (15 mph), reflecting a gentle transition as the days shorten. Throughout the year, wind speeds exhibit a notable rhythm: the briskest months are typically in the colder depths of late fall and winter, with both November and December reaching 7.7 m/s (17 mph). Meanwhile, spring and early summer months present a more subdued pace, peaking in March and April but gradually relaxing into the warmth of May and June. This seasonal dance of winds not only underscores the climatic shifts of Sassnitz but also invites residents and visitors alike to embrace the invigorating gusts that define each month.

Average September Wind Speed in Sassnitz

The chart displays monthly wind speed patterns in Sassnitz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.17.56.47.05.85.25.86.96.3 m/s7.77.77.6
Data source: Sassnitz September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Sassnitz Compares to Other Months

The weather in Sassnitz changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Sassnitz and find detailed weather information for every month.

September and January weather present a stark contrast. In September, temperatures range from a mild 11°C (52°F) at night to a pleasant maximum of 25°C (77°F), making it a comfortable month for outdoor activities. However, the month can be quite humid, with an average humidity of 82% and 81 mm (3.2 in) of rain over 13 days. In contrast, January experiences much colder conditions, with temperatures dropping to a minimum of -3°C (26°F) and peaking at only 10°C (50°F). Though it sees less precipitation at 64 mm (2.5 in) over the same number of rainy days, January's humidity is slightly higher at 87%. For more details on January's climate in this region, check out Sassnitz weather in January.

September and February present contrasting weather patterns. In September, temperatures range from a minimum of 11°C (52°F) to a pleasant maximum of 25°C (77°F), with an average of 16°C (61°F). The month experiences 81 mm (3.2 in) of precipitation over 13 days and has a humidity level of 82%. In stark contrast, February's temperatures are much colder, with a minimum of -6°C (22°F), an average of 3°C (38°F), and a maximum of 12°C (54°F). Precipitation in February is lower at 60 mm (2.3 in), also over 13 days, but humidity is slightly higher at 88%. For more insights on February weather, you can visit Sassnitz weather in February.

September and March showcase contrasting weather conditions. In September, temperatures range from a minimum of 11°C (52°F) to a maximum of 25°C (77°F), with an average of 16°C (61°F). The month experiences an average of 81 mm (3.2 in) of precipitation across 13 days, and humidity stands at 82%. In contrast, March is considerably cooler, with temperatures dipping as low as -6°C (21°F) and averaging only 4°C (39°F), peaking at 10°C (50°F). Although it receives less precipitation at 59 mm (2.3 in) over 12 days, March has a higher humidity level of 87%. For those interested in more detailed weather patterns, you can check Sassnitz weather in March.

September generally offers warmer temperatures compared to April, with average highs reaching up to 25°C (77°F) as opposed to April's maximum of just 15°C (59°F). While September sees a higher average temperature of 16°C (61°F), April's cooler climate has minimum temperatures dipping to just 1°C (34°F). Precipitation is also more frequent in September, with 81 mm (3.2 in) over 13 days, compared to April's lighter rainfall of 34 mm (1.3 in) across 7 days. Additionally, humidity levels remain similar, with April slightly higher at 85% compared to 82% in September. For more specific details on April weather, visit Sassnitz weather in April.

When comparing the weather in September and May, it's evident that September tends to be warmer and wetter. In September, temperatures range from a minimum of 11°C (52°F) to a maximum of 25°C (77°F), with an average of 16°C (61°F). In contrast, May has cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 19°C (67°F), resulting in an average of only 11°C (52°F). Additionally, September sees more precipitation, totaling 81 mm (3.2 in) over about 13 days, compared to May's 43 mm (1.7 in) on 10 days. Both months share the same humidity level of 82%, but September's milder temperatures make it a more pleasant month for outdoor activities. For a detailed look at May's weather, you can visit Sassnitz weather in May.

When comparing the weather in September and June, we see some intriguing similarities and differences. Both months feature a minimum temperature of around 11°C (51-52°F) and a maximum that peaks at 25°C (77-78°F). However, June tends to be slightly warmer on average, with an average temperature of 17°C (62°F) compared to September's 16°C (61°F). In terms of precipitation, September is wetter, receiving 81 mm (3.2 in) over 13 days, while June has a more moderate 54 mm (2.1 in) over 10 days. Humidity levels remain notably similar, with September at 82% and June at 81%. For more detailed insights, you can view the Sassnitz weather in June.

When comparing the weather in September and July, we can see some notable differences. September typically has a slightly cooler temperature range, with minimums around 11°C (52°F) and maximums reaching 25°C (77°F), compared to July's minimums of 13°C (55°F) and maximums of 27°C (80°F). Both months experience similar precipitation levels, with September receiving 81 mm (3.2 in) and July slightly less at 76 mm (3.0 in), occurring over the same number of days—13. Humidity remains constant at 82% for both months, giving them a similarly muggy feel. For more specific insights into July's conditions, check out this link: Sassnitz weather in July.

In comparing the weather between September and August, September tends to be slightly cooler with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 25°C (77°F), while August enjoys warmer temperatures with a minimum of 14°C (57°F) and a maximum of 27°C (81°F). Both months experience similar precipitation levels, with September having 81 mm (3.2 in) and August slightly lower at 79 mm (3.1 in), across 13 rainy days for each month. Additionally, humidity is marginally higher in September at 82%, compared to August's 80%. For a detailed look at August's weather conditions, you can check Sassnitz weather in August.

September typically enjoys milder temperatures, with an average of 16°C (61°F) and highs reaching 25°C (77°F), making it a more comfortable month overall. In contrast, October ushers in cooler weather, with daily highs averaging only 18°C (64°F) and a drop in the minimum temperature to 7°C (44°F). While both months see significant precipitation, October experiences higher rainfall totals at 107 mm (4.2 in) compared to September's 81 mm (3.2 in), and more rainy days, increasing from 13 to 17. Humidity also rises slightly in October, reaching 85% compared to 82% in September. For more details about the weather specific to October, you can check Sassnitz weather in October.

September tends to be milder with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 25°C (77°F), making it a comfortable month with an average temperature of 16°C (61°F). In contrast, November sees a significant drop in temperatures, with a minimum of 2°C (35°F) and a maximum of just 16°C (62°F), and an average of 8°C (47°F). Precipitation patterns are relatively similar, with September receiving 81 mm (3.2 in) over 13 days and November showing slightly less at 77 mm (3.0 in) across 15 days. Additionally, November comes with higher humidity levels at 85%, compared to September's 82%. For more details on the specific weather conditions in November, you can check Sassnitz weather in November.

September and December present striking contrasts in weather conditions. In September, temperatures range from a mild 11°C (52°F) at night to a warm average of 16°C (61°F), peaking at 25°C (77°F), making it a pleasant month for outdoor activities. However, it also sees significant rainfall with 81 mm (3.2 in) spread over 13 days, alongside relatively high humidity at 82%. In stark contrast, December brings much colder temperatures, with a minimum of -2°C (29°F) and a maximum of only 9°C (49°F), averaging around 4°C (40°F). While precipitation is slightly lower at 75 mm (3.0 in), it occurs over 17 days, resulting in a more wintry and damp atmosphere, complemented by an increase in humidity to 85%. For more details about this month’s conditions, you can check out Sassnitz weather in December.

Compare Sassnitz's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Sassnitz

As summer gives way to autumn, September in Sassnitz offers a refreshing shift in weather that sets it apart from the warmer summer months. While the temperatures are still pleasant, the significant drop from the summer highs creates a cooler, more invigorating atmosphere, perfect for enjoying nature. Expect a mix of cloud cover and rain, with approximately half the days experiencing precipitation. This increase in humidity adds a crispness to the air, inviting visitors to explore the stunning landscapes without the heat. For a deeper understanding of what to expect, check out Sassnitz Climate.