September Weather in Juist, Germany

Last updated: February 26, 2025

September in Juist, Germany offers a delightful mix of mild temperatures and refreshing coastal air. With a maximum of 24°C (76°F) and an average of 16°C (61°F), the weather invites outdoor exploration, while evenings cool down to a comfortable 11°C (52°F). However, visitors should be prepared for some rain, as the month sees a total precipitation of 96 mm (3.8 in) over approximately 14 days. The humidity level remains relatively high at 83%, contributing to the lush, vibrant scenery of this charming island. Whether you’re strolling along the beach or enjoying local cuisine, September in Juist promises a refreshing experience amid the beauty of nature.

September Temperature in Juist

As September unfolds in Juist, Germany, the temperatures begin to show a gentle transition toward autumn, with lows settling around 11°C (52°F) and averages reaching a comfortable 16°C (61°F). The highs can still flirt with summer warmth, peaking at 24°C (76°F), making it an ideal time for outdoor adventures and beach strolls. This month marks a gradual cooling from the summer heat, while also offering a mix of sunny days that invite exploration. September's climate is characterized by a pleasant balance that prepares residents and visitors alike for the crispness of fall, showcasing the island's natural beauty in a vibrant yet soothing atmosphere.

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

The chart illustrates September temperature patterns in Juist, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414042465260636561554843
Data source: Temperature data for Juist 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 Juist

In September, Juist, Germany, experiences a marked increase in precipitation, with 96 mm (3.8 in) recorded over 14 days of rain. This upswing follows a notably wet August, reflecting the transition into autumn as the weather gradually turns more variable. The increase in precipitation is part of a larger trend; September typically showcases higher rainfall amounts compared to the spring months, which continue to see lighter totals. As the year progresses into October, it’s expected that precipitation will further rise, peaking at 120 mm (4.7 in), suggesting a pattern of increasingly wet conditions as the seasons change.

September Precipitation Trends in Juist

The chart displays monthly precipitation patterns in Juist, 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.
JanFebMarAprMayJunJulAugSepOctNovDec77727043526888111961207797
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Juist

September in Juist, Germany, brings a notable shift as humidity levels begin to rise again, measuring 83%. This increase marks a transition from the relatively dry summer months of June, July, and August, which consistently hovered around 75%. As autumn approaches, the trend of higher humidity returns, creeping up towards October's 86% and November's 87%. This seasonal pattern highlights Juist's climatic rhythm, where summer's warmth gives way to the moisture-laden air of fall, enhancing the island's lush surroundings and inviting visitors to experience its unique charm as the leaves begin to change.

September Average Humidity in Juist

This chart illustrates the average monthly humidity levels in Juist, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%86%84%80%75%75%75%83%86%87%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Juist

As the summer days fade into September on the picturesque island of Juist, Germany, the UV Index dips to 5, signaling a return to moderate exposure levels. This month marks a transition from the high UV Index of 7 seen in the preceding summer months, where sunbathers enjoyed slightly shorter burn times of just 25 minutes. As the sun becomes more forgiving, outdoor enthusiasts can relish 30 minutes of safe sun exposure, making it an ideal time for beach walks or leisurely bike rides. Still, it's wise to keep an eye on the sun's intensity and protect your skin. For a detailed look at how UV levels fluctuate throughout the year, visit Juist UV Index.

Maximum UV Index Levels in Juist for September

The chart shows the monthly maximum UV Index (UVI) for Juist 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.
JanFebMarAprMayJunJulAugSepOctNovDec123578775321
Data source: Juist 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 Juist

As summer fades and autumn begins, September in Juist, Germany, offers a delightful transition adorned with 316 hours of sunshine. After enjoying the long, sun-soaked days of July and August, which basked in over 400 sunlit hours, September's golden rays provide a warm embrace, inviting residents and visitors alike to savor the lingering warmth. The sun’s generous presence in September ensures that outdoor activities remain enjoyable, even as the days grow shorter and the leaves hint at the vibrant colors of fall. This month serves as a beautiful bridge, reflecting a trend of gradually decreasing sunlight from the peak of summer, yet still offering ample opportunities for exploration and relaxation on this charming island.

Monthly Sunshine Duration in Juist: September Highlighted

The September sunshine duration represents the total number of hours Juist 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.
JanFebMarAprMayJunJulAugSepOctNovDec99h194h281h356h411h406h416h395h316h245h180h132h
Data source: Juist September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Juist During September

September in Juist, Germany, offers a moderate chance of sunny weather, with a 33% likelihood of sunshine. While this is a slight dip from the summer months of June and August, it still surpasses the sun’s presence in earlier spring and late autumn. The transition from summer to autumn reveals a trend where sunny days become less frequent, yet September retains a charming balance with relatively pleasant weather, ideal for those wishing to enjoy the last rays of summer. As the leaves begin to change and the air turns crisp, visitors can still expect some delightful sunny moments amidst the approaching chill.

Percentage of Sunny Days in September in Juist

The chart illustrates the percentage of sunny days in Juist 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 Juist experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%24%36%47%30%40%34%36%33%28%19%22%
Data source: Juist September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Juist in September

As summer gracefully transitions to autumn, September in Juist, Germany offers a delightful balance of daylight, with approximately 12 hours illuminating the day. This marks a gentle decline from the peak of 16 hours in July and June, signaling the gradual shift towards shorter days. The early warmth of fall is still present, a reminder of the vibrant sunshine experienced in the previous months. Interestingly, September's daylight is a harmonious midpoint between the lengthy days of summer and the coziness of winter, making it a perfect time for outdoor adventures. With each passing week, the days will continue to shorten, leading into the quieter months of October and November, where daylight diminishes to 10 and 8 hours respectively. The rhythm of seasons is palpable, inviting both reflection and appreciation for the changing light.

Average Daylight Hours in Juist for September

The chart illustrates the variation in daylight duration in Juist throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 4m9h 47m11h 54m14h 3m15h 57m16h 57m16h 25m14h 42m12h 37m10h 29m8h 33m7h 31m
Data source: Juist daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Juist

As summer transitions to autumn in Juist, Germany, September experiences a noticeable shift in wind dynamics. The average wind speed drops to 5.6 m/s (13 mph), lower than the peak of summer months, indicating a gentle caress from the sea rather than the brisk breezes that characterize earlier seasons. This decline follows a gradual trend from the higher summer averages of 6.8 m/s (15 mph) in August, suggesting the onset of calmer days as nature prepares for the cooler months ahead. However, with October poised to bring a windier atmosphere at 8.2 m/s (18 mph), September stands as a serene bridge between the lively summer and the spirited autumn gusts, inviting visitors to enjoy the tranquil beauty of the island before the winds pick up once again.

Average September Wind Speed in Juist

The chart displays monthly wind speed patterns in Juist, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.27.66.96.96.24.85.46.85.6 m/s8.27.37.2
Data source: Juist September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Juist Compares to Other Months

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

September and January present quite contrasting weather patterns. In September, temperatures range from a minimum of 11°C (52°F) to a maximum of 24°C (76°F), with an average of 16°C (61°F). The month experiences about 96 mm (3.8 in) of precipitation spread across 14 days, accompanied by a relatively high humidity level of 83%. In stark contrast, January sees much colder temperatures, with a minimum of -4°C (25°F), an average of 5°C (41°F), and a maximum of 11°C (52°F). The total precipitation during January is lower at 76 mm (3.0 in), occurring over 15 days, and the humidity is slightly higher at 88%. For more detailed insight, you can check out Juist weather in January.

September and February present strikingly different weather patterns. In September, temperatures typically range from a minimum of 11°C (52°F) to a maximum of 24°C (76°F), with an average of 16°C (61°F), creating a mild and pleasant atmosphere. The month sees about 96 mm (3.8 in) of precipitation over approximately 14 days, accompanied by relatively high humidity at 83%. In contrast, February is much colder, with temperatures dropping to a minimum of -5°C (23°F) and peaking at just 12°C (53°F), averaging around 4°C (40°F). It experiences less precipitation, totaling 72 mm (2.8 in) across 13 days, but the humidity is slightly higher at 88%. For a detailed look at winter weather, check out Juist weather in February.

When comparing the weather in September and March, a distinct contrast emerges. September typically features milder temperatures, with an average of 16°C (61°F) and a maximum of 24°C (76°F), alongside considerable humidity at 83%. In contrast, March experiences much cooler temperatures, averaging only 6°C (42°F) and peaking at 13°C (55°F), with a minimum of -6°C (21°F). Precipitation is relatively lower in March at 70 mm (2.8 in) over 12 days compared to September's 96 mm (3.8 in) over 14 days. For more details on the specific climate characteristics of March, check out Juist weather in March.

In September, temperatures are generally milder with a minimum of 11°C (52°F) and an average of 16°C (61°F), peaking at a maximum of 24°C (76°F). The month also experiences significant rainfall, with 96 mm (3.8 in) of precipitation over about 14 days, resulting in a relatively high humidity level of 83%. In contrast, April is notably cooler, featuring a minimum temperature of 2°C (36°F), an average of 8°C (46°F), and a maximum of 17°C (63°F). Precipitation is lighter, amounting to 43 mm (1.7 in) over approximately 9 days, with humidity only slightly lower at 84%. For more detailed insights on April weather, you can check Juist weather in April.

When comparing the weather in September and May, September typically enjoys warmer temperatures, with daily averages around 16°C (61°F) and highs reaching up to 24°C (76°F). In contrast, May features cooler conditions, with average temperatures of 11°C (52°F) and maximums of 21°C (70°F). Precipitation is more frequent in September, occurring on 14 days and totaling 96 mm (3.8 in), while May sees rain on 11 days with a lower total of 52 mm (2.0 in). Both months have relatively high humidity, but September's humidity levels at 83% slightly edge out May's 80%. For more insights on the weather patterns in May, check out Juist weather in May.

In comparing the weather between September and June, we notice a few key differences. September features slightly warmer temperatures with a minimum of 11°C (52°F) and a maximum of 24°C (76°F), while June starts off a tad cooler with a minimum of 9°C (49°F) and peaks at 25°C (78°F). Although both months have similar average temperatures of around 16°C (61°F), September is characterized by 96 mm (3.8 in) of precipitation over 14 days, making it typically wetter than June, which sees only 68 mm (2.7 in) over 10 days. Additionally, September has higher humidity levels at 83%, compared to June's 75%. For more detailed information about June weather, you can check out Juist weather in June.

In comparison to July, September experiences slightly cooler temperatures, with minimums around 11°C (52°F) compared to July's 13°C (55°F). The average temperature in September is 16°C (61°F), just a degree lower than July's 17°C (63°F), while the maximums remain close at 24°C (76°F) in September and 26°C (80°F) in July. Precipitation levels are quite similar, with September receiving 96 mm (3.8 in) over 14 days and July slightly less at 88 mm (3.5 in) over 12 days. Additionally, September tends to be more humid, boasting an average humidity of 83% compared to 75% in July. For more details about July weather, you can check Juist weather in July.

In comparing the weather of September to that of August, we see a slight cooling trend as September experiences average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 24°C (76°F). In contrast, August is a bit warmer, with temperatures typically between 13°C (56°F) and 25°C (77°F). Precipitation is also notable, with September receiving 96 mm (3.8 in) over 14 days, while August has slightly higher precipitation at 111 mm (4.4 in) over 16 days. Additionally, September has a higher humidity level at 83%, compared to August's 75%. For a more detailed look at August weather, you can check Juist weather in August.

In September, the weather typically features milder temperatures with a minimum of 11°C (52°F) and an average of 16°C (61°F), peaking at a maximum of 24°C (76°F). The month also experiences considerable rainfall, totaling 96 mm (3.8 in) over approximately 14 days, alongside a humidity level of 83%.

October, on the other hand, brings cooler conditions with temperatures dropping to a minimum of 6°C (43°F) and an average of 13°C (56°F), while the maximum temperature is slightly lower at 21°C (71°F). This month sees an increase in precipitation, totaling 120 mm (4.7 in) spread over 18 days, and humidity rises slightly to 86%. For a more detailed look at the weather in October, you can check out Juist weather in October.

September weather is generally milder, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 24°C (76°F) and an average of 16°C (61°F). The month experiences significant rainfall, with 96 mm (3.8 in) over 14 days and relatively high humidity at 83%. In contrast, November sees a notable drop in temperatures, with a minimum of 2°C (35°F) and a maximum of 16°C (62°F), averaging only 9°C (48°F). Precipitation decreases slightly to 77 mm (3.0 in) but occurs over more days, totaling 17 days, while humidity rises to 87%. For more detailed information about weather specifics, you can check Juist weather in November.

September and December present contrasting weather patterns. In September, temperatures range from a mild 11°C (52°F) at night to a pleasant 24°C (76°F) during the day, with an average of 16°C (61°F). The month experiences significant precipitation, with 96 mm (3.8 in) falling over 14 days, and humidity levels sitting at 83%. In stark contrast, December sees temperatures dropping considerably, with lows of -2°C (29°F) and highs reaching only 11°C (52°F). The average temperature in December is a chilly 6°C (43°F). Despite the similar rainfall, with 97 mm (3.8 in) over 18 days, December's humidity is slightly higher at 86%. For more detailed weather conditions in December, you can check out the link: Juist weather in December.

Compare Juist's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Juist

As summer gives way to autumn, September on Juist brings a noticeable shift in weather, marked by cooler temperatures and increased precipitation. With an average temperature of 16°C (61°F), this month feels crisp and refreshing compared to the warmth of July and August. The island experiences 14 days of rainfall, contributing to a total of 96 mm of precipitation, which is a stark contrast to the drier summer months. Humidity levels remain high at 83%, adding to the brisk atmosphere. This blend of cooler temperatures and frequent showers makes September an intriguing time to visit, as nature begins its vibrant transition. For a deeper understanding of the seasonal shifts, check out Juist Climate.