September Weather in West-Terschelling, Netherlands

Last updated: August 27, 2025

Experience the charm of West-Terschelling, Netherlands, in September, where the climate offers a delightful blend of mild temperatures and refreshing breezes. With a maximum temperature reaching 23°C (74°F) and an average of 16°C (61°F), the days are pleasantly warm, while evenings cool to a minimum of 12°C (54°F). However, be prepared for some refreshing rain; the area receives 97 mm (3.8 in) of precipitation over about 13 days, leading to a humid environment averaging 83% humidity. This month is perfect for those who appreciate the beauty of a coastal autumn with its vibrant scenery and tranquil atmosphere.

September Temperature in West-Terschelling

As September rolls into West-Terschelling, the air begins to shift, offering a gentle transition from summer's warmth to autumn's embrace. With average temperatures hovering around 16°C (61°F), this month marks a delightful midpoint, where the maximum highs reach a comfortable 23°C (74°F). Nights do cool down slightly, with lows of about 12°C (54°F), but overall, the weather remains pleasantly mild, inviting locals and visitors alike to enjoy outdoor activities. Comparing this to the previous summer months, September retains a sense of warmth while signaling the onset of fall, making it an ideal time for those looking to experience the tranquil beauty of Terschelling before the colder months set in.

September Weather in West-Terschelling: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in West-Terschelling, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West-Terschelling, 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).
JanFebMarAprMayJunJulAugSepOctNovDec424143485461646561564844
Data source: Temperature data for West-Terschelling 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 West-Terschelling

September in West-Terschelling is marked by a significant increase in precipitation, with the month accumulating 97 mm (3.8 in) of rain over 13 days. This uptick follows August's record high of 126 mm (5.0 in), suggesting a trend of late summer wetness that prepares the region for the approaching autumn. Notably, while the rainfall decreases compared to August, it remains above the levels seen earlier in the year, such as April's 32 mm and May's 55 mm. As the year progresses into October, precipitation ramps up again to 116 mm (4.6 in), hinting at a wetter pattern typical for the fall season.

September Precipitation Trends in West-Terschelling

The chart displays monthly precipitation patterns in West-Terschelling, 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 West-Terschelling, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec696868325578811269711670102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in West-Terschelling

In September, West-Terschelling experiences a noticeable rise in humidity, reaching 83%, which is a slight increase from the summer months where it hovered around 75%. This uptick marks a transition as the region moves from the warm embrace of summer into the cooler embrace of autumn. The humidity levels begin to reflect the changing seasons, reminiscent of earlier months in the year, such as April and May, where humidity was more prominent at 84% and 80%, respectively. As the year progresses into October, humidity is expected to creep back up to 86%, closely echoing the high levels felt in the winter months. This trend underscores the dynamic nature of West-Terschelling's climate, where humidity is a constant companion, shifting subtly yet noticeably throughout the year.

September Average Humidity in West-Terschelling

This chart illustrates the average monthly humidity levels in West-Terschelling, 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 West-Terschelling is approximately {2}%, offering insight into how humid the weather typically is during this month.
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 West-Terschelling

In September, West-Terschelling experiences a moderate UV Index of 5, indicating a shift from the high levels of summer to more manageable sun exposure. With a burn time of 30 minutes, it's essential to remain mindful of sun protection during this early autumn month. As the days begin to shorten and temperatures cool, outdoor enthusiasts can still enjoy the beautiful surroundings without the intense risks associated with July's peak ratings of 8. Overall, September’s UV Index reflects a gradual decrease, making it a great time to explore the scenic beauty of the region while keeping skin safety in mind. For more detailed information about UV levels throughout the year, visit West-Terschelling UV Index.

Maximum UV Index Levels in West-Terschelling for September

The chart shows the monthly maximum UV Index (UVI) for West-Terschelling 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 West-Terschelling typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578875321
Data source: West-Terschelling 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 West-Terschelling

As the summer warmth begins to wane, September in West-Terschelling still enjoys a generous 328 hours of sunshine. This highlights a steady decline from the sun-drenched heights of July, which basks in 422 hours. While September's sun may be losing some of its summer vigor, it still outshines the gray of October and November, making it a perfect time for autumnal strolls along the scenic coastline. Compared to the earlier months of the year, September retains a robust amount of sunshine, significantly more than the depths of winter when the hours dip to around 139 hours in December. This steady transition from summer to fall offers a unique opportunity to experience the changing landscape under a soft, lingering sun.

Monthly Sunshine Duration in West-Terschelling: September Highlighted

The September sunshine duration represents the total number of hours West-Terschelling 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.
JanFebMarAprMayJunJulAugSepOctNovDec108h199h292h359h414h410h422h399h328h243h193h139h
Data source: West-Terschelling September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in West-Terschelling During September

In September, West-Terschelling sees a moderate 33% chance of sunny weather, indicative of the gradual transition from summer to autumn. This percentage reflects a slight decrease from the peak sunny days of summer, where June achieved a high of 43%. As the days grow shorter and temperatures begin to cool, the likelihood of sunshine dips, but September still offers a fair amount of bright skies compared to the gloomier winter months ahead. Thus, while the sun may not shine as frequently as in July or August, there are still opportunities to enjoy the outdoors under clear blue skies before the season changes.

Percentage of Sunny Days in September in West-Terschelling

The chart illustrates the percentage of sunny days in West-Terschelling 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 West-Terschelling experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%26%34%42%36%43%39%37%33%28%21%22%
Data source: West-Terschelling September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in West-Terschelling in September

In West-Terschelling, Netherlands, the progression of daylight duration reveals the enchanting shift from the bright, vibrant days of summer to the more subdued tones of autumn. In September, daylight reaches a comfortable 12 hours, a noticeable decrease from the peak of 16 hours experienced in the height of summer. This gradual transition underscores the natural rhythm of the seasons, as daylight steadily wanes, paving the way for the shorter days of October and November. The balance of light and dark serves as a gentle reminder of nature's cycles, inviting reflection and adaptation as we move deeper into fall.

Average Daylight Hours in West-Terschelling for September

The chart illustrates the variation in daylight duration in West-Terschelling throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 7m9h 49m11h 54m14h 2m15h 54m16h 53m16h 22m14h 40m12h 37m10h 30m8h 36m7h 34m
Data source: West-Terschelling daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in West-Terschelling

In September, the winds in West-Terschelling, Netherlands begin to soften, with an average wind speed of 5.8 m/s (13 mph), marking a noticeable dip from the stronger gusts of summer. This decline follows a trend observed through the warmer months, where wind speeds gradually decreased from May's 6.8 m/s (15 mph) to August’s 7.3 m/s (16 mph). As autumn approaches, it becomes evident that September serves as a transitional month, paving the way for the brisker winds of October, which surge back to 8.6 m/s (19 mph). The gentle September breezes create a serene backdrop, perfect for enjoying the picturesque landscapes, before the stronger autumn winds sweep back into the scene.

Average September Wind Speed in West-Terschelling

The chart displays monthly wind speed patterns in West-Terschelling, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.57.77.47.46.85.46.07.35.8 m/s8.67.27.5
Data source: West-Terschelling September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in West-Terschelling Compares to Other Months

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

In September, the weather is considerably warmer, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 23°C (74°F) and an average of 16°C (61°F). The month experiences about 97 mm (3.8 in) of precipitation over 13 days, alongside a relative humidity of 83%. In contrast, January sees much colder temperatures, with a minimum of -1°C (30°F) and a maximum of 10°C (51°F), averaging just 5°C (42°F). Although January has less total precipitation at 69 mm (2.7 in) over 14 days, it is accompanied by higher humidity at 88%. For a detailed overview of January weather specifics, you can refer to West-Terschelling weather in January.

September and February present markedly different weather patterns. September enjoys milder temperatures, with averages around 16°C (61°F) and highs reaching 23°C (74°F), while February is much colder, averaging just 5°C (41°F) and peaking at 11°C (52°F). Precipitation is present in both months, but September receives more rain (97 mm) compared to February's 68 mm, despite both months experiencing rain on 13 days. Humidity is slightly higher in February at 88%, compared to 83% in September. For a detailed look at what to expect in February, check out West-Terschelling weather in February.

In September, the weather is generally warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 23°C (74°F). This month also sees a higher level of precipitation, totaling 97 mm (3.8 in) over 13 days, and enjoys a relatively high humidity of 83%. In contrast, March experiences much cooler temperatures, with averages between -6°C (21°F) and 12°C (55°F). The precipitation during March is lower, at 68 mm (2.7 in), but the number of rainy days remains the same at 13. Humidity is slightly higher in March at 86%. For a more detailed look at the March weather, you can check out West-Terschelling weather in March.

When comparing the weather in September and April, it's evident that September is significantly warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 23°C (74°F) compared to April's cooler range of 2°C (36°F) to 17°C (63°F). Additionally, September experiences higher precipitation levels, totaling 97 mm (3.8 in) spread over 13 rainy days, while April sees considerably less rain at 32 mm (1.3 in) across just 8 days. The humidity remains relatively similar between the two months, with September at 83% and April at 84%, making both months feel quite damp despite the temperature differences. For more specific insights into April weather, you can visit West-Terschelling weather in April.

When comparing the weather in September and May, notable differences emerge. September boasts a milder temperature range, with minimums around 12°C (54°F) and maximums reaching 23°C (74°F), while May sees cooler conditions with minimums of 5°C (41°F) and maximums of 22°C (72°F). In terms of precipitation, September is wetter, averaging 97 mm (3.8 in) over 13 days, compared to May's 55 mm (2.1 in) over just 9 days. Despite this, both months exhibit relatively high humidity levels, with September at 83% and May slightly lower at 80%. For a closer look at May’s weather specifics, you can check West-Terschelling weather in May.

When comparing the weather in September and June, both months have an average temperature of 16°C (61°F), but they differ in their extremes. September sees a maximum temperature of 23°C (74°F) and a minimum of 12°C (54°F), while June boasts a slightly warmer maximum of 26°C (80°F) and a cooler minimum of 10°C (51°F). In terms of precipitation, September experiences more rain with 97 mm (3.8 in) over approximately 13 days, compared to June's 78 mm (3.1 in) over 9 days. Additionally, September tends to be more humid at 83%, while June has a lower humidity level of 75%. For a closer look at the weather patterns in June, you can visit West-Terschelling weather in June.

In comparing the weather between July and September, we see distinct differences in temperature and humidity levels. July tends to be warmer, with average temperatures ranging from a minimum of 13°C (57°F) to a maximum of 28°C (82°F). In contrast, September features cooler averages, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 23°C (74°F). Additionally, September experiences higher humidity at 83%, compared to July's 75%. Precipitation is also noteworthy; September receives 97 mm (3.8 in) over 13 days, whereas July has slightly less precipitation at 81 mm (3.2 in) across the same number of days. For a closer look at July's weather specifics, check out West-Terschelling weather in July.

In comparing the weather between August and September, we can observe a noticeable shift. September brings slightly cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 23°C (74°F), compared to August's minimum of 13°C (56°F) and maximum of 26°C (80°F). Additionally, September experiences higher humidity at 83%, compared to August's 75%, contributing to a more sultry atmosphere despite the cooler overall temperatures. Precipitation also decreases slightly in September, totaling 97 mm (3.8 in) over 13 days, compared to August's 126 mm (5.0 in) over 15 days. For a more detailed look at conditions during August, you can visit this link: West-Terschelling weather in August.

September tends to be warmer than October, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 23°C (74°F), while October sees temperatures drop to a minimum of 6°C (44°F) and a maximum of 19°C (67°F). In terms of precipitation, October is slightly wetter, receiving 116 mm (4.6 in) over 18 days compared to September's 97 mm (3.8 in) across 13 days, and October also exhibits a higher humidity level at 86%. For more detailed insights into October weather, you can check out West-Terschelling weather in October.

In September, the weather is milder, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 23°C (74°F), and an average temperature of 16°C (61°F). The precipitation is relatively high at 97 mm (3.8 in) spread over 13 days, along with a humidity level of 83%. In contrast, November brings a noticeable drop in temperatures, with a minimum of 2°C (36°F) and a maximum of 16°C (60°F), averaging at just 9°C (49°F). Although November has less precipitation at 69 mm (2.7 in), it occurs over a longer stretch of 15 days, resulting in a slightly higher humidity of 87%. For more detailed insights, check out West-Terschelling weather in November.

In comparing the weather of September and December, one immediately notices a stark contrast in temperatures. September boasts milder conditions, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 23°C (74°F), while December experiences a significant drop, with an average of just 6°C (44°F) and nighttime lows plunging to -2°C (28°F). Precipitation levels are relatively similar, with September receiving 97 mm (3.8 in) over 13 days and December slightly higher at 102 mm (4.0 in) over 18 days. Humidity also rises slightly in December, reaching 86% compared to September's 83%. For those looking to plan for winter weather, more details can be found here: West-Terschelling weather in December.

Compare West-Terschelling's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in West-Terschelling

As September unfolds in West-Terschelling, it brings a delightful transition from the heat of summer to the more temperate conditions of autumn. With an average temperature of 16°C, the days remain pleasantly mild, juxtaposed against the increasing likelihood of rainfall, evidenced by its 13 rainy days and total precipitation of 97 mm. This month also experiences heightened humidity levels, creating a distinctive coastal atmosphere that differs markedly from the drier months before. For a comprehensive overview of what to expect throughout the year, check out the detailed insights in our West-Terschelling Climate section.