Last updated: August 27, 2025
Experience the vibrant September weather of Valkenburg, Netherlands, where temperatures swing from a warm maximum of 33°C (91°F) to a cooler minimum of 2°C (37°F), resulting in an average of 15°C (59°F). While exploring the beauty of this charming town, expect to encounter approximately 64 mm (2.5 in) of rain spread over 10 days, fostering the lush green surroundings. Adding to the atmosphere, the humidity levels linger around a cozy 81%, creating a refreshing yet warm ambiance perfect for both relaxation and adventure.
In September, Valkenburg experiences a gentle transition into autumn, with temperatures ranging from a cool 2°C (37°F) at night to a mild 33°C (91°F) during the day. The average temperature settles at a comfortable 15°C (59°F), making this month one of the last opportunities to enjoy pleasant outdoor activities before the chill of winter sets in. As the days start to shorten and the vibrant hues of fall begin to emerge, locals and visitors alike can appreciate the moderation in temperatures compared to the sweltering highs seen in July and August. This shift signals a gradual decrease in warmth, yet the lingering warmth and the picturesque landscape make September a delightful time to explore Valkenburg.
In September, Valkenburg experiences a moderate shift in precipitation, receiving an average of 64 mm (2.5 in) over 10 days. This marks a noticeable decline from the wetter months of summer, such as June and July, where rainfall peaked at 88 mm (3.5 in) and 87 mm (3.4 in) respectively. The transition into autumn continues the trend of reduced rainfall as compared to August, which saw 78 mm (3.1 in) over 14 days. As the days grow shorter, the weather gradually becomes drier, hinting at the approaching crispness of fall, yet still retaining enough moisture to nourish the landscape. With the increase in rainfall days later in the year, October's average of 85 mm (3.3 in) suggests that while September may offer fleeting sunny spells, wetter conditions are just around the corner.
In Valkenburg, Netherlands, September marks a noticeable shift in humidity levels, climbing to an average of 81% as summer draws to a close. Following the drier months of July and August, which recorded the lowest humidity levels of 72% and 71% respectively, September's increase signals the onset of autumn. The gradual rise in humidity also echoes trends seen earlier in the year, as levels peak again in the months leading to winter, where values reach 88% in October and soaring to 91% by November. This seasonal ebb and flow not only reflects the region's mild climate but also prepares the landscape for the enchanting transformation brought about by fall.
As summer fades, September in Valkenburg, Netherlands, ushers in a moderate UV Index of 5, indicating that while sun protection is advisable, conditions are less intense than peak summer months. The burn time increases slightly to 30 minutes, providing a window for outdoor activities without immediate risk. This month reflects a transition from the very high levels experienced in July and June, marking a shift towards cooler, shorter days. With the UV Index now on a downward trend, it's an ideal time to enjoy autumn's beauty while still taking care under the sun. For detailed insights and tips on sun safety, check out the Valkenburg UV Index.
UV Risk Categories
September in Valkenburg brings a delightful transition as summer begins to wane, offering an impressive 318 hours of sunshine. This month reflects a retreat from the peak summer shine of July, which boasts a robust 407 hours—the highest of the year. As the seasons shift, sunlight levels gradually decrease, but September still holds onto the essence of warmth, making it a perfect time for strolls through the picturesque streets. Following August's 380 hours, the sun-drenched days of September remain vibrant, ensuring that visitors can enjoy the lingering summer spirit before the autumn chill sets in. The gradual decline in daylight hours serves as a reminder of the cozy moments ahead, creating a beautiful blend of summer's end and fall's onset.
In Valkenburg, Netherlands, September enjoys a notable 38% chance of sunny weather, making it one of the brighter months of the year. This figure demonstrates a slight improvement from the peak summer months, where June, July, and August hover around 30-33%. As summer transitions into autumn, September stands out with a relatively higher likelihood of sunshine compared to the upcoming October and the colder months, which see a substantial drop to 30% and below. With the lingering warmth of summer, September presents a perfect opportunity to bask in the sun before the drearier days of fall set in.
As summer transitions to autumn, September in Valkenburg, Netherlands, showcases a gentle decline in daylight hours, offering an average of 12 hours of daylight. Following the sun-soaked days of June and July, which bask in up to 16 hours of light, September marks a shift toward shorter days, reminiscent of spring's gradual increase from 8 hours in January to a peak in May. This month serves as a transition from the warm, vibrant days of summer to the cozy, reflective evenings of fall, where merely losing 2 hours of daylight paves the way for October's return to the 10-hour mark, inviting a change in both scenery and atmosphere.
As September arrives in Valkenburg, the air begins to calm, with average wind speeds dropping to 2.8 m/s (6 mph)—the lowest of the year. This gentle breeze shades the transition from the vibrant summer months into the tranquil embrace of autumn. Compared to the preceding months, where brisker winds in May and early summer stirred the landscape, September brings a softer touch, inviting leisurely strolls through the picturesque streets. While the winds pick up again in October, the serene September atmosphere offers a moment of respite, allowing the beauty of Valkenburg to shine through in quieter tones as the leaves begin to change.
Weather in Valkenburg varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Valkenburg, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. September features a wider temperature range, with minimums of 2°C (37°F), average highs reaching up to 33°C (91°F), and a moderate level of precipitation at 64 mm (2.5 in) spread over about 10 days. Humidity is relatively high, sitting at 81%. In contrast, January brings much colder temperatures, with minimums plummeting to -8°C (18°F) and a maximum of only 13°C (56°F). Precipitation increases slightly to 78 mm (3.1 in), occurring over 13 days, while humidity rises to 91%. For a detailed overview of January weather, you can refer to Valkenburg weather in January.
September and February present two distinctly different weather patterns. In September, temperatures range from a cool minimum of 2°C (37°F) to a warm maximum of 33°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 relatively high humidity at 81%. Conversely, February experiences much cooler conditions, with temperatures ranging from a low of -10°C (15°F) to a high of 21°C (69°F), yielding an average of just 5°C (41°F). Despite slightly higher overall precipitation at 80 mm (3.1 in) over 12 days, February's humidity is even higher at 90%. For a closer look at the February climate, you can visit Valkenburg weather in February.
September and March present distinctly different weather patterns. In September, temperatures range from a cool 2°C to a warm 33°C, with an average of 15°C, making it a month of significant variability. The humidity is relatively high at 81%, and rainfall is moderate, with 64 mm over about 10 days. In contrast, March boasts much cooler temperatures, with minimums dipping to -10°C and a maximum cap of 23°C, leading to an average of only 7°C. While precipitation is higher at 87 mm and occurs more frequently over 15 days, humidity also rises slightly to 87%. These differences highlight the transition from the warmth of late summer to the chill of early spring. For more detailed insights into March weather, you can visit Valkenburg weather in March.
September and April present distinct weather patterns, highlighting the transition from late summer to early autumn and the late winter to early spring period, respectively.
In September, temperatures range from a chilly minimum of 2°C (37°F) to a warm maximum of 33°C (91°F), with an average temperature of 15°C (59°F). The month experiences a significant level of humidity at 81% and sees around 64 mm (2.5 in) of precipitation spread over 10 days.
Conversely, April starts off cold with minimum temperatures dipping to -4°C (25°F), while reaching a maximum of 28°C (82°F) and an average of 10°C (50°F). This month is slightly drier, with 39 mm (1.5 in) of rain over 9 days and a slightly higher humidity of 84%.
For a detailed look at what to expect in April, you can check Valkenburg weather in April.
In September, temperatures range from a minimum of 2°C (37°F) to a maximum of 33°C (91°F), with an average of 15°C (59°F). The month experiences about 64 mm (2.5 in) of precipitation over approximately 10 days, accompanied by relatively high humidity at 81%. Conversely, May showcases 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). It sees a bit more rainfall, totaling 68 mm (2.7 in) over 13 days, but with lower humidity at 77%. For more details on May's weather, you can check out Valkenburg weather in May.
In comparing the weather between September and June, we notice some interesting contrasts. September features a broader temperature range, with minimums dipping to 2°C (37°F), an average of 15°C (59°F), and a maximum reaching 33°C (91°F). In contrast, June starts off warmer, with minimums at 7°C (45°F) and an average temperature of 18°C (65°F), also peaking at 33°C (92°F). Precipitation levels are more pronounced in June, with 88 mm (3.5 in) recorded over 12 days, compared to September's 64 mm (2.5 in) over 10 days. Additionally, September's humidity is higher at 81%, while June's humidity is comparatively lower at 74%. For more insights, you can check out Valkenburg weather in June.
When comparing the weather in September to that of July, it is evident that September experiences a wider range of temperatures, with a minimum of 2°C (37°F) and a maximum of 33°C (91°F). In contrast, July has warmer conditions overall, boasting a minimum of 8°C (46°F) and a high of 40°C (104°F). Precipitation levels in September are slightly lower at 64 mm (2.5 in) over 10 days, compared to July's 87 mm (3.4 in) over 12 days. Additionally, September tends to be more humid at 81%, whereas July maintains a lower humidity level of 72%. For more details on July's weather, you can check out Valkenburg weather in July.
In comparing the weather patterns of August and September, September tends to be cooler with a minimum temperature of 2°C (37°F) compared to August's warmer minimum of 7°C (45°F). The average temperature also drops from 19°C (66°F) in August to 15°C (59°F) in September, although September still sees a maximum temperature reaching up to 33°C (91°F), less than August's peak of 36°C (96°F). Precipitation is slightly lower in September at 64 mm (2.5 in) over 10 days, versus August's 78 mm (3.1 in) across 14 days. Humidity remains higher in September at 81%, compared to August's 71%. For more detailed insights into August's weather, you can check Valkenburg weather in August.
September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 2°C (37°F) to a maximum of 33°C (91°F), with an average of 15°C (59°F). The month is characterized by relatively lower precipitation at 64 mm (2.5 in) over 10 days and a humidity level of 81%. In contrast, October sees a decline in average temperatures, with lows of 1°C (34°F) and highs peaking at 25°C (78°F), averaging 12°C (53°F). Precipitation increases to 85 mm (3.3 in), occurring over 14 days, and humidity rises slightly to 88%. For more detailed information, you can check Valkenburg weather in October.
In September, temperatures vary significantly, with a minimum of 2°C (37°F) and an average of 15°C (59°F), reaching as high as 33°C (91°F) on warmer days. The month experiences around 64 mm (2.5 in) of precipitation over approximately 10 days, and humidity levels average 81%. In contrast, November sees a drop in temperatures, with a minimum of -4°C (25°F) and an average of 7°C (44°F), peaking at 19°C (66°F). The precipitation is slightly lower at 59 mm (2.3 in) but is spread across about 12 days, resulting in increased humidity at 91%. For more detailed insights into November weather, you can visit Valkenburg weather in November.
September and December present striking contrasts in weather conditions. In September, temperatures range from a comfortable minimum of 2°C (37°F) to a warm maximum of 33°C (91°F), with an average of 15°C (59°F). The month typically sees about 64 mm (2.5 in) of precipitation over 10 days, and humidity levels linger around 81%.
Conversely, December brings colder temperatures, with a minimum of -4°C (24°F) and a maximum of 15°C (59°F), averaging just 5°C (41°F). This month experiences more rainfall, totaling 113 mm (4.4 in) across 20 days, coupled with higher humidity at 92%. These differences highlight the seasonal transition from the warmth of late summer to the chill of winter. For more detailed information, check out this link: Valkenburg weather in December.
September in Valkenburg marks a transition, showcasing a delightful blend of warmth and coolness as summer fades into autumn. With its maximum temperatures still reaching a balmy 33°C (91°F) at the beginning of the month, it beautifully contrasts with the cooler evenings, where temperatures can dip to a brisk 2°C (37°F). The increased humidity, averaging around 81%, adds a touch of tropical feel, while the 64 mm of precipitation across approximately 10 days signals the onset of wetter conditions. This month invites residents and visitors alike to enjoy the lingering warmth of summer while preparing for the refreshing embrace of autumn. For a deeper understanding of the seasonal changes, check out Valkenburg Climate.