September Weather in Hiddensee, Germany

Last updated: February 26, 2025

In September, Hiddensee, Germany, experiences a diverse weather palette, with maximum temperatures soaring to 28°C (83°F), creating warm days perfect for outdoor activities. The average temperature hovers around 15°C (60°F), while the nights can dip to a refreshing minimum of 8°C (46°F). With 82% humidity enveloping the island, the air feels vibrant yet comfortable. Rainfall is common, accumulating to 64 mm (2.5 in) over approximately 10 days, so visitors are encouraged to pack light layers and a raincoat. Whether you’re strolling along the coastline or exploring the lush landscapes, September in Hiddensee offers a uniquely pleasant atmosphere ripe for discovery.

September Temperature in Hiddensee

In September, Hiddensee experiences a delightful transition from the warm summer months, with temperatures that range quite comfortably. The minimum temperature hovers around 8°C (46°F), while the average climbs to a pleasant 15°C (60°F), peaking at a maximum of 28°C (83°F). This range showcases a notable warmth, especially as summer bids farewell, inviting visitors to enjoy the outdoor beauty of the island. As days begin to shorten and the air turns crisp, the mild temperatures and the vibrant hues of early autumn create a charming backdrop, making September a wonderful time to explore Hiddensee's natural splendor.

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

The chart illustrates September temperature patterns in Hiddensee, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec373740455363656660534539
Data source: Temperature data for Hiddensee 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 Hiddensee

In September, Hiddensee, Germany, experiences a notable precipitation amount of 64 mm (2.5 in) spread over 10 days, marking a slight rise from the late summer months. This increase reflects the seasonal transition, as rain typically begins to amplify in the lead-up to autumn. Alongside this, temperatures cool, creating a refreshing backdrop for the island’s natural beauty. After the wetter months of July and August, which recorded 72 mm and 73 mm respectively, September's precipitation is a gentle reminder that nature is preparing for the more abundant rains of October, known for its 89 mm (3.5 in). Overall, the trend indicates a gradual escalation in rainfall as Hiddensee moves deeper into the fall season, setting the stage for the crispness of autumn.

September Precipitation Trends in Hiddensee

The chart displays monthly precipitation patterns in Hiddensee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec575057374653727364895962
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hiddensee

As September arrives in Hiddensee, Germany, the humidity tends to settle comfortably at 82%, reflecting a trend of gradual decrease from the summer months. Following the peak humidity levels of 88% in February and 87% in March, the air becomes noticeably drier as the seasons transition, hitting its annual low of 80% in August. This slight uptick in September marks a return to more moderate levels, reminiscent of early spring. Overall, the data suggests a gentle ebb and flow in humidity throughout the year, with late summer and early autumn providing a refreshing reprieve before the humidity starts to rise again in the colder months.

September Average Humidity in Hiddensee

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

September in Hiddensee, Germany, marks a gentle transition in UV exposure, with the UV Index dropping to 5, categorized as moderate. This shift reflects the waning summer sun, with a burn time of 30 minutes, allowing for enjoyable outdoor activities without excessive risk. Throughout the summer months, the UV Index peaked at 8 in June, signaling the need for heightened sun protection. As the days cool, September’s UV levels call for a balanced approach—enjoy the crisp air and maintain awareness of skin safety. For more details on UV levels throughout the year, visit Hiddensee UV Index.

Maximum UV Index Levels in Hiddensee for September

The chart shows the monthly maximum UV Index (UVI) for Hiddensee 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: Hiddensee 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 Hiddensee

As summer fades and autumn approaches, September in Hiddensee, Germany showcases a delightful transition, embodying the rewards of the sun-soaked months prior. With 318 hours of sunshine, this month retains a vibrant glow, standing out amidst the year’s spectrum of daylight. The sunshine count begins to decline from the peak of July and June, but September's embrace still radiates warmth, a soothing farewell to summer. This trend hints at the gradual shift towards shorter days, yet September’s luminosity serves as a gentle reminder of the abundant sunshine experienced earlier in the season. Visitors can still bask in the golden rays while savoring the changing colors of nature, making it a perfect time for both reflection and adventure.

Monthly Sunshine Duration in Hiddensee: September Highlighted

The September sunshine duration represents the total number of hours Hiddensee 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.
JanFebMarAprMayJunJulAugSepOctNovDec107h192h276h366h427h438h434h400h318h251h157h116h
Data source: Hiddensee September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hiddensee During September

In Hiddensee, Germany, September offers a moderate chance of sunny weather, sitting at 31%. This marks a slight decrease from the summer months, where June and August hovered around 48% and 36% respectively. Interestingly, as the seasons transition from the sunlit days of summer to the cooler tones of autumn, the likelihood of sunshine begins to wane. Despite this drop, September still holds a better chance of sun than the earlier winter onset months, such as January and November, which languish at 16% and 15%. Overall, while September may not boast the sunshine of mid-summer, it still provides a fair opportunity for enjoying the outdoors before the clouds of autumn settle in.

Percentage of Sunny Days in September in Hiddensee

The chart illustrates the percentage of sunny days in Hiddensee 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 Hiddensee experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec16%28%36%49%34%48%33%36%31%32%15%19%
Data source: Hiddensee September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hiddensee in September

As the summer sun begins its gentle descent, September in Hiddensee, Germany, brings a noticeable shift in daylight, offering about 12 hours of sun each day. This marks a gradual decline from the 17 hours enjoyed in June, mirroring a broader seasonal trend where daylight hours are longest during the summer months. The transition into autumn is evident as daylight decreases, yet the lingering warmth of late summer still graces the island, allowing for plenty of opportunities to explore its natural beauty before the days shorten further in October. This balance of light and shadow creates a stunning tapestry of colors, inviting both locals and visitors to embrace the enchanting early days of fall.

Average Daylight Hours in Hiddensee for September

The chart illustrates the variation in daylight duration in Hiddensee throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 57m9h 44m11h 53m14h 6m16h 4m17h 6m16h 33m14h 47m12h 38m10h 27m8h 27m7h 22m
Data source: Hiddensee daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Hiddensee

As summer gracefully transitions into autumn, September in Hiddensee, Germany witnesses a gentle shift in wind patterns. With an average wind speed of 5.1 m/s (11 mph), the breezes in September are notably calmer than the preceding months, reflecting a downturn from the summer winds. The previous month, August, had seen a more vigorous 5.6 m/s (12 mph), hinting at the fading warmth of the season. Interestingly, wind speeds begin to rise again in October, reaching 6.1 m/s (14 mph), suggesting that the island's coastal air becomes livelier as autumn deepens. This pattern underscores Hiddensee’s unique maritime climate, where the interplay of wind speeds marks the changing seasons in a rhythmic dance of nature.

Average September Wind Speed in Hiddensee

The chart displays monthly wind speed patterns in Hiddensee, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.65.95.45.75.04.34.95.65.1 m/s6.16.15.9
Data source: Hiddensee September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Hiddensee Compares to Other Months

The weather in Hiddensee 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 Hiddensee and find detailed weather information for every month.

September and January present quite contrasting weather conditions. In September, temperatures range from a mild 8°C (46°F) to a warm maximum of 28°C (83°F), with an average of 15°C (60°F). The month experiences around 64 mm (2.5 in) of precipitation over approximately 10 days and maintains a relatively high humidity level of 82%. In stark contrast, January sees much cooler temperatures, with a minimum of -5°C (24°F) and a maximum of only 12°C (54°F), averaging just 3°C (38°F). Although precipitation is slightly lower at 57 mm (2.2 in), it occurs on 11 days, and humidity is at a higher 87%. For a more detailed look at weather conditions during this time, you can visit Hiddensee weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a mild 8°C (46°F) at night to a warm 28°C (83°F) during the day, with an average temperature of 15°C (60°F). This month sees a fair amount of rainfall, with 64 mm (2.5 in) of precipitation spread over about 10 days, and humidity levels around 82%. In contrast, February is considerably colder, with temperatures dipping as low as -8°C (17°F) and peaking at 14°C (57°F), averaging just 3°C (38°F). Precipitation in February is slightly lower at 50 mm (2.0 in), occurring over 12 days, and the humidity rises to 88%. For more detailed insights, you can refer to Hiddensee weather in February.

When comparing September and March weather, the difference is striking. September typically enjoys a milder climate, with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 28°C (83°F), making it much more pleasant compared to March's chill, where temperatures range from a biting -10°C (14°F) to a maximum of only 15°C (58°F). Precipitation is slightly higher in September at 64 mm (2.5 in) over 10 days, while March sees 57 mm (2.3 in) over 12 days, indicating that both months can be wet, though September generally feels more comfortable due to its lower humidity of 82%, compared to March's higher humidity of 87%. For more detailed insights on March weather, you can visit Hiddensee weather in March.

When comparing the weather in September and April, there are notable differences. September enjoys milder temperatures, with a minimum of 8°C (46°F) and an average of 15°C (60°F), reaching highs of 28°C (83°F). This month also experiences more rainfall, with 64 mm (2.5 in) of precipitation spread over about 10 days and a humidity level of 82%. In contrast, April is cooler, featuring a minimum temperature of 0°C (32°F) and an average of 7°C (45°F), with maxima around 22°C (71°F). Precipitation is lighter at 37 mm (1.5 in) over about 7 days, although humidity is slightly higher at 85%. For more detailed information on April weather, you can visit Hiddensee weather in April.

In comparing the weather of September and May, we can observe distinct differences in temperature and precipitation patterns. September typically enjoys warmer temperatures, with a minimum of 8°C (46°F) and a maximum reaching 28°C (83°F), averaging around 15°C (60°F). In contrast, May experiences cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 24°C (76°F), averaging at 12°C (53°F). Although May has slightly more precipitation days at 11, it receives less total rainfall (46 mm or 1.8 in) compared to September's 64 mm (2.5 in). Both months share the same humidity level of 82%, which adds a consistent feel to the air. For more detailed weather insights, you can explore Hiddensee weather in May.

In comparing the weather in September and June, both months exhibit a range of temperatures, starting with minimums around 8°C (46°F) to 8°C (47°F). However, June tends to be slightly warmer overall, with an average temperature of 17°C (63°F) compared to September's 15°C (60°F). Maximum temperatures are similar, peaking at 29°C (85°F) in June and 28°C (83°F) in September. Regarding precipitation, September receives a bit more rain, totaling 64 mm (2.5 in) over 10 days, while June has 53 mm (2.1 in) of rain over 9 days. Interestingly, humidity levels are quite comparable, sitting at 82% in September and 81% in June. For more detailed information about the weather in Hiddensee, you can check Hiddensee weather in June.

When comparing the weather in September and July, we see notable differences in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of 8°C (46°F), an average of 15°C (60°F), and a maximum of 28°C (83°F), while July is warmer, showing a minimum of 12°C (54°F), an average of 18°C (65°F), and a maximum reaching 31°C (89°F). Both months have high humidity levels at 82%, but July tends to be slightly wetter, with 72 mm (2.8 in) of precipitation over 13 days compared to September's 64 mm (2.5 in) over 10 days. For a more detailed look at July weather, you can check Hiddensee weather in July.

In August, the weather tends to be warmer with average temperatures reaching 19°C (66°F) and maximums soaring up to 32°C (89°F), while September experiences cooler conditions with an average of 15°C (60°F) and a maximum of only 28°C (83°F). Although August has higher maximum temperatures, it also sees slightly more precipitation, with 73 mm (2.9 in) over 12 days, compared to September’s 64 mm (2.5 in) over 10 days. Humidity remains relatively consistent between the two months, standing at 80% in August and increasing slightly to 82% in September. For more details on August weather, you can visit Hiddensee weather in August.

In September, the weather is generally warmer, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 28°C (83°F), and an average of 15°C (60°F). This month sees an average precipitation of 64 mm (2.5 in) over about 10 days, along with a humidity level of 82%. In contrast, October brings a noticeable drop in temperatures, with a minimum of 3°C (38°F) and a maximum of 22°C (72°F), averaging around 12°C (53°F). The month is also wetter, recording 89 mm (3.5 in) of precipitation over 16 days, and slightly higher humidity at 85%. For more detailed information, you can visit Hiddensee weather in October.

In September, the weather is warmer with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 28°C (83°F), offering an average of 15°C (60°F). The month experiences moderate precipitation of 64 mm (2.5 in) over about 10 days, accompanied by a humidity level of 82%. In contrast, November brings cooler conditions, with temperatures dropping significantly to a minimum of 0°C (33°F) and averaging only 7°C (46°F). The maximum temperature reaches 18°C (64°F), and while precipitation is slightly lower at 59 mm (2.3 in), it occurs across more days—approximately 13 days—resulting in an increased humidity of 85%. For those interested in specific November weather details, check out Hiddensee weather in November.

In September, the weather is generally milder, with average temperatures ranging from 8°C (46°F) at night to a pleasant 28°C (83°F) during the day. The month experiences an average humidity of 82% and receives about 64 mm (2.5 in) of precipitation over approximately 10 days. In contrast, December brings much colder temperatures, with averages dropping to a minimum of -5°C (22°F) and a maximum of 11°C (52°F), along with increased precipitation days, totaling 62 mm (2.4 in) over 14 days. The humidity also rises slightly to 85%. For more detailed weather information, you can check Hiddensee weather in December.

Compare Hiddensee's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Hiddensee

As summer transitions into autumn, September on Hiddensee offers a delightful contrast to the peak months preceding it. With average temperatures settling around 15°C (60°F), the island enjoys mild days, while the warmest spells can still reach a comfortable 28°C (83°F). While it may experience occasional rain, with approximately 64 mm over 10 days, the refreshing humidity of 82% adds to the crispness of the air, marking a gentle shift from the sultry summer. For those seeking a serene escape, September provides a perfect blend of lingering warmth and the picturesque onset of fall. To explore further insights into seasonal variations, visit Hiddensee Climate.