September Weather in Gulpen, Netherlands

Last updated: August 27, 2025

September in Gulpen, Netherlands presents a fascinating blend of mild warmth and refreshing precipitation. With maximum temperatures soaring up to 32°C (91°F), the month transitions to an average of 15°C (59°F), creating an inviting atmosphere for outdoor activities. However, early autumn brings an occasional chill, as seen in low temperatures dipping to 2°C (36°F). Expect a total of 64 mm (2.5 in) of rainfall over 10 days, contributing to a humidity level of 81% that enhances the lush, green landscapes of this charming region. Whether basking in the sun or enjoying the cooling rain, September offers a unique experience in Gulpen.

September Temperature in Gulpen

In September, Gulpen, Netherlands experiences a refreshing shift as summer transitions into autumn. With minimum temperatures around 2°C (36°F) and an average of 15°C (59°F), the days are comfortably mild. Peaks can reach a warm 32°C (91°F), especially in early September, echoing the lingering warmth of summer. This month marks a noticeable drop in temperatures compared to the sweltering highs of July and August, presenting a more temperate environment perfect for outdoor activities amidst the changing foliage. As daylight wanes and the air becomes crisper, September in Gulpen offers a delightful mix of warmth and the crispness of approaching fall, inviting residents and visitors alike to revel in the natural beauty of the season.

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

The chart illustrates September temperature patterns in Gulpen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gulpen, 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).
JanFebMarAprMayJunJulAugSepOctNovDec374044495564656559534440
Data source: Temperature data for Gulpen 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 Gulpen

In September, Gulpen experiences a transition toward autumn, characterized by a moderate precipitation total of 64 mm (2.5 in) over just 10 days of rainfall. This marks a notable decrease compared to the previous month, August, which saw 78 mm (3.1 in) across 16 rainy days. As the summer warmth fades, the frequency and intensity of rain diminish, reflecting a shift in the season's rhythm. This trend of declining precipitation continues into October, suggesting that while September offers a gentler approach to the wet conditions, the anticipated autumn weather is just around the corner. Overall, it’s a month where moderate rainfall supports the lush landscape without overwhelming it, setting the stage for the colorful changes of fall.

September Precipitation Trends in Gulpen

The chart displays monthly precipitation patterns in Gulpen, 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 Gulpen, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7978874074889478648259112
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gulpen

In September, the humidity in Gulpen, Netherlands, settles at a moderate 81%, marking a noticeable shift from the drier summer months. Following August's 71%, this increase signifies a transition into the autumn season, as humidity levels begin to rise again. Observing the broader trend from January to September, we see humidity peaking at 91% in winter months before gradually decreasing, reaching a summer low of 72% in July. As the year progresses into fall, the air grows richer, foreshadowing the more humid conditions that characterize the colder months ahead. Thus, September serves as a bridge, reconnecting the warmth of summer with the moisture-laden atmosphere of autumn and winter.

September Average Humidity in Gulpen

This chart illustrates the average monthly humidity levels in Gulpen, 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 Gulpen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%87%84%77%74%72%71%81%88%91%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gulpen

As summer fades and September arrives in Gulpen, the UV Index drops to 5, placing it in the moderate exposure category. This shift marks a noticeable transition from the intense sun of July and August, where UV levels peaked at 8. With a burn time of approximately 30 minutes, it's essential to remain mindful of sun exposure, even as the weather begins to cool. This change reflects a broader trend, with UV Index levels gradually declining as we move towards autumn. September still offers plenty of sunshine, so don't forget your sunscreen! For more detailed information, check out the Gulpen UV Index.

Maximum UV Index Levels in Gulpen for September

The chart shows the monthly maximum UV Index (UVI) for Gulpen 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 Gulpen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Gulpen 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 Gulpen

As summer gently fades into autumn, September in Gulpen, Netherlands, showcases a commendable 316 hours of sunshine, standing as a delightful bridge between the vibrant summer months and the cooler fall season. This month experiences a moderate decline in sunlight compared to the peak of 408 hours in July and 378 hours in August, yet it still offers a generous abundance of bright days. September's sunshine serves as a gentle reminder of summer's warmth, with its hours outpacing the shorter days ahead in October and the increasingly dreary November. This transition ensures that residents and visitors alike can soak in the pleasant early autumn scenery, making it an ideal time for outdoor activities while basking in the lingering sunshine.

Monthly Sunshine Duration in Gulpen: September Highlighted

The September sunshine duration represents the total number of hours Gulpen 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.
JanFebMarAprMayJunJulAugSepOctNovDec119h205h269h341h394h395h408h378h316h240h188h133h
Data source: Gulpen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gulpen During September

In Gulpen, Netherlands, September boasts a 38% chance of sunny weather, making it one of the more promising months for sunshine as summer transitions into autumn. This figure reflects a peak in sunny days when compared to the earlier summer months, such as July and August, which hover around 32%. Interestingly, while the likelihood of sunshine declines in the following months, with October and November seeing lower percentages at 29% and 25% respectively, September offers a last taste of summer's brightness, inviting both locals and visitors to enjoy the outdoors before the gloom of winter settles in.

Percentage of Sunny Days in September in Gulpen

The chart illustrates the percentage of sunny days in Gulpen 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 Gulpen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%31%40%42%30%32%32%31%38%30%25%14%
Data source: Gulpen September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gulpen in September

As September arrives in Gulpen, Netherlands, the transition from summer to autumn becomes evident with a daylight duration of 12 hours. Following the sun-soaked months of June and July, which boast the longest daylight, September marks a gentle decline as daylight begins to taper off. This month still enjoys a generous amount of light compared to the winter months, reflecting a gradual shift that started in August with 14 hours. The daylight hours diminish significantly as the year progresses, with October offering 10 hours and November and December returning to the shorter days of around 8 hours. Overall, September represents a balanced blend of warm summer light fading into the cozy embrace of autumn, inviting residents to savor the season’s beauty before the long evenings of winter set in.

Average Daylight Hours in Gulpen for September

The chart illustrates the variation in daylight duration in Gulpen throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 30m10h 1m11h 55m13h 51m15h 32m16h 24m15h 56m14h 26m12h 34m10h 39m8h 56m8h 1m
Data source: Gulpen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Gulpen

As autumn begins to weave its tapestry in Gulpen, September brings a gentle lull in the winds, with an average speed of 2.8 m/s (6 mph). This marks a noticeable dip from the breezier summer months, where winds reached up to 4.4 m/s (10 mph) in May and August. Following the transition from the lush vibrancy of summer, the winds soften, inviting a more serene atmosphere as nature starts to prepare for the vibrant hues of fall. Interestingly, the wind picks up again in October, returning to that familiar 4.4 m/s, creating a rhythmic cycle that echoes the changing seasons. The consistent patterns throughout the year highlight the dynamic yet predictable nature of Gulpen's weather, making it a charming locale for those who cherish the subtle shifts in wind and weather.

Average September Wind Speed in Gulpen

The chart displays monthly wind speed patterns in Gulpen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.54.03.24.42.63.23.42.8 m/s4.43.34.1
Data source: Gulpen September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Gulpen Compares to Other Months

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

September and January present markedly different weather conditions, showcasing the transition from late summer to winter. In September, temperatures range from a pleasant minimum of 2°C (36°F) to a warm maximum of 32°C (91°F), with an average of 15°C (59°F). The month sees about 64 mm (2.5 in) of precipitation over approximately 10 days, accompanied by a humidity level of 81%. In contrast, January features colder weather, with temperatures dipping as low as -8°C (17°F) and averaging around 3°C (37°F). The maximum temperature in January reaches only 13°C (56°F), while precipitation increases slightly to 79 mm (3.1 in) over 14 days, along with higher humidity at 91%. This stark difference highlights the seasonal shift and the need for warmer clothing as the year turns colder. For more detailed weather information in January, you can visit Gulpen weather in January.

In comparing the weather of September and February, we can see notable differences in both temperature and precipitation. September typically boasts a wide temperature range, with a minimum of 2°C (36°F) and a maximum reaching up to 32°C (91°F), averaging around 15°C (59°F). With 64 mm (2.5 in) of precipitation spread over about 10 days, humidity averages at a comfortable 81%. In contrast, February experiences much colder conditions, where temperatures can dip to a minimum of -10°C (14°F) and peak at 21°C (69°F), with an average of 5°C (40°F). The precipitation in February is slightly higher at 78 mm (3.1 in) over approximately 12 days, along with increased humidity at 90%. For a more detailed look at February weather in the area, check out Gulpen weather in February.

September and March exhibit distinctly different weather patterns. In September, temperatures range from a chilly 2°C (36°F) at night to a warm 32°C (91°F) during the day, with an average of 15°C (59°F). The month experiences about 64 mm (2.5 in) of precipitation over approximately 10 days, and humidity remains high at 81%. In contrast, March brings colder conditions, with nighttime lows plunging to -10°C (14°F) and daytime highs reaching 23°C (73°F). The average temperature hovers around 7°C (44°F), and precipitation increases to 87 mm (3.4 in) spread over 15 days, while humidity rises slightly to 87%. For a detailed look at March weather, visit Gulpen weather in March.

In comparing the weather between September and April, we notice distinct differences in temperature and precipitation. September boasts a wider temperature range, with minimums around 2°C (36°F) and maximums reaching 32°C (91°F), offering a pleasant average of 15°C (59°F). In contrast, April is cooler, with minimum temperatures plummeting to -3°C (26°F) and an average of just 9°C (49°F), though it can still peak at 27°C (81°F). Both months experience about 10 days of precipitation, but September sees more rainfall at 64 mm (2.5 in) compared to April's 40 mm (1.6 in), which contributes to the slightly higher humidity levels in April at 84% versus September's 81%. For more specifics about April weather, you can check Gulpen weather in April.

September and May present distinct weather patterns, with September generally being warmer than May. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 32°C (91°F), with an average of 15°C (59°F) and a higher humidity level of 81%. However, the month sees approximately 64 mm (2.5 in) of precipitation over about 10 days. In contrast, May features slightly cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 31°C (89°F), averaging around 13°C (56°F). Precipitation is slightly higher at 74 mm (2.9 in) but occurs over more days, totaling 13. For more specific details on the weather patterns, you can check Gulpen weather in May.

When comparing the weather in September and June, a few notable differences emerge. September experiences a wider temperature range, with minimums dropping to as low as 2°C (36°F) while averaging around 15°C (59°F) and peaking at 32°C (91°F). In contrast, June's temperatures are milder, with minimums starting at 7°C (44°F), an average of 18°C (64°F), and a maximum of 33°C (92°F). Additionally, September sees slightly less precipitation with 64 mm (2.5 in) over 10 days, compared to June's 88 mm (3.4 in) spread over 12 days. September also has a higher humidity level at 81%, while June is relatively drier at 74%. For more detailed insights, you can check Gulpen weather in June.

September and July present distinct weather characteristics. In September, temperatures range from a chilly minimum of 2°C (36°F) to a warm maximum of 32°C (91°F), with an average of 15°C (59°F). The month experiences 64 mm (2.5 in) of precipitation over approximately 10 days, with a humidity of 81%. In contrast, July showcases a broader temperature spectrum, with a minimum of 8°C (46°F) and a scorching maximum of 40°C (104°F), averaging 19°C (66°F). This month sees higher rainfall, totaling 94 mm (3.7 in) over 13 days, and a lower humidity level of 72%. For more specific insights into July weather, you can check Gulpen weather in July.

In comparing the weather between August and September, it is evident that September experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 15°C (59°F), compared to August's minimum of 7°C (45°F) and average of 19°C (66°F). However, September can still reach a maximum of 32°C (91°F), while August peaks slightly higher at 35°C (96°F). Precipitation is fairly consistent, with September receiving 64 mm (2.5 in) of rain over 10 days, compared to August's 78 mm (3.1 in) over 16 days. Additionally, September's humidity stands at 81%, higher than August's 71%, contributing to a different feel as summer transitions into autumn. For a more detailed look at August weather in a specific area, you can check out Gulpen weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 32°C (91°F), with an average of 15°C (59°F) and relatively lower precipitation at 64 mm (2.5 in) over 10 days. In contrast, October sees cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 25°C (78°F), averaging at 11°C (53°F). Precipitation increases to 82 mm (3.2 in) over 14 days, and humidity also rises to 88%. For more details about the weather in October, you can visit Gulpen weather in October.

September typically enjoys warmer temperatures compared to November, with daily averages around 15°C (59°F) peaking at 32°C (91°F). In contrast, November sees a significant drop, averaging only 7°C (44°F) and rarely exceeding 18°C (66°F). While both months experience a comparable amount of precipitation, September experiences slightly more with 64 mm (2.5 in) over 10 days, compared to November's 59 mm (2.3 in) over 11 days. Humidity levels also rise in November to 91%, higher than September's 81%, adding to the chilly atmosphere. For a detailed look at weather conditions specific to that month, check out Gulpen weather in November.

September weather features a wide range of temperatures, with a minimum of 2°C (36°F) and a maximum of 32°C (91°F), resulting in an average of 15°C (59°F). The month sees moderate precipitation of 64 mm (2.5 in) spread over 10 days, while humidity remains relatively high at 81%. In contrast, December brings much colder temperatures, with a minimum of -5°C (24°F) and a maximum of 15°C (59°F), averaging just 5°C (41°F). Rainfall increases significantly to 112 mm (4.4 in) over 20 days, accompanied by a slight rise in humidity to 92%. For more details on December weather, you can visit Gulpen weather in December.

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Conclusion: What to Expect From September Weather in Gulpen

As September rolls into Gulpen, the weather begins to transition, showcasing a delightful blend of late summer warmth and early autumn chill. While temperatures can soar to a sweltering 32°C (91°F), the average cools significantly to a pleasant 15°C (59°F), creating a comfortable ambiance for residents and visitors alike. The month also brings its fair share of rain, with 64 mm (2.5 in) of precipitation over 10 days, contributing to the region’s lush landscapes. With humidity climbing to 81%, the air feels noticeably damp, especially as crisp mornings hint at the approaching fall. For those keen to understand more about the seasonal shifts, take a closer look at the data on Gulpen Climate.