Last updated: August 27, 2025
September in Ootmarsum, Netherlands, is a month of transition, showcasing a unique blend of summer warmth and the onset of autumn. With maximum temperatures reaching 31°C (89°F) and a delightful average of 15°C (59°F), the days can still feel quite warm, but the evenings cool down significantly to a minimum of 3°C (37°F). This month sees precipitation amounting to 63 mm (2.5 in) across approximately 10 days, contributing to the region's lush greenery. Additionally, the humidity levels hover around an encompassing 83%, providing a fresh and invigorating atmosphere, ideal for exploring the charming streets and scenic landscapes of this quaint town.
In September, Ootmarsum experiences a delightful transition into autumn, with temperatures ranging from a cool 3°C (37°F) to a warm 31°C (89°F). The average temperature settles around 15°C (59°F), offering a pleasant balance before the chill of October sets in. As summer's heat recedes, this month serves as a refreshing reminder of the changing seasons, with cool mornings giving way to milder afternoons. This trend marks a departure from the sweltering highs seen in the earlier summer months of June and July, where maximum temperatures soared to extremes of 36°C (98°F) and 40°C (104°F). Instead, September invites residents and visitors alike to enjoy the crisp outdoor air and vibrant autumn scenery.
In September, Ootmarsum experiences a moderate level of precipitation, with 63 mm (2.5 in) of rain spread over approximately 10 days. This trend marks a slight decline from the preceding months of July and August, which saw heavier rainfall, averaging around 75 mm and 76 mm, respectively. As summer transitions into autumn, the frequency of rainy days begins to stabilize, contributing to Ootmarsum's charming yet unpredictable weather pattern. Looking ahead, October typically ushers in a sharper uptick, with precipitation often reaching 83 mm (3.3 in) across 14 days, showcasing the region's vibrant seasonal shift.
In September, Ootmarsum experiences a slight increase in humidity, reaching 83%, as it transitions from the warm, dry summer months. This uptick marks a shift from the consistent 75% humidity seen during July and August, reflecting the encroaching autumn atmosphere. Humidity levels typically rise again toward the end of the season, with October and November showing higher percentages at 86% and 87%, respectively. Overall, September serves as a gentle reminder of the encroaching chill, with its humidity showcasing the gradual shift in climate as the region prepares for the cooler months ahead.
As September rolls into Ootmarsum, the UV Index starts to taper off, reflecting the shift in seasons. This month, the UV Index stands at 5, categorized as moderate, which means sun exposure requires a bit more caution than the summer months. While you can enjoy outdoor activities for up to 30 minutes without significant risk of burning, it's wise to consider protection, especially during peak sun hours. After the intense UV levels of July and August, which reached peaks of 8, September offers a welcome respite without losing the warmth of late summer. For more detailed insights on UV levels throughout the year in Ootmarsum, check out the Ootmarsum UV Index.
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As the vibrant days of summer gradually fade into autumn, September in Ootmarsum, Netherlands, continues to bask in a generous 310 hours of sunshine. This month stands out as a beacon of light before the cooler, shorter days set in, showcasing a delightful weather trend that peaks in mid-year and slowly recedes. Following the sun-drenched heights of July and August, September offers a refreshing balance, maintaining significant daylight while heralding the arrival of fall. Interestingly, this month captures a noticeable dip compared to the summer months, yet it outshines the gloomiest winter days ahead. With the lush landscapes still alive and the soft glow of golden light, September serves as a beautiful transition—an invitation to enjoy the last vestiges of warmth before the embrace of autumn.
In September, Ootmarsum enjoys a 31% chance of sunny weather, reflecting a continuation of the slightly higher probabilities of sunshine seen in the late summer months. As the seasons shift from the warmth of August, this optimistic outlook is consistent with the region's typical transition into early autumn. Compared to the earlier months of the year, where the likelihood of sun hovers around the lower teens and twenties, September represents a welcome opportunity for clear skies. The trend shows a gradual decline in sunny days as the year progresses, but the early autumn still offers a fair share of pleasant weather, making it a lovely time for outdoor activities amidst the beautiful fall foliage.
As summer fades, September in Ootmarsum ushers in a shift in daylight, offering about 12 hours of sunshine each day. This gradual decline from the blissful 16 hours of light seen in June and July reflects the transition into autumn, where the days shorten at a steady pace. Following the vibrant long days of late summer, September's light serves as a gentle reminder of the changing seasons, leading to 10 hours of daylight in October. The rhythm of daylight duration throughout the year showcases a natural ebb and flow, with September acting as a bridge between summer's generosity and the cozy embrace of autumn.
As September approaches in Ootmarsum, the average wind speed gently dips to 3.0 m/s (7 mph), marking a transition into the cooler months. This subtle decline from the summer months, where wind speeds remained relatively stable around 3.6 m/s (8 mph) in August, reflects the easing of seasonal breezes. Notably, this is the lowest average wind speed of the year, preceding a notable increase in October to 4.4 m/s (10 mph), suggesting that autumn is on the horizon and soon the winds will pick up again, invigorating the landscape. The trend over the months reveals a dynamic interplay of seasonal shifts, with spring and early summer boasting slightly stronger winds, while late summer and early autumn usher in a calmer atmosphere—a perfect backdrop for enjoying the scenic beauty of the Dutch countryside.
Weather in Ootmarsum varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ootmarsum, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present distinctly different weather patterns. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 31°C (89°F), with an average of 15°C (59°F). The month experiences about 63 mm (2.5 in) of precipitation over 10 days, coupled with a humidity level of 83%. In contrast, January is much colder, with temperatures dropping to a minimum of -8°C (17°F) and peaking at 14°C (58°F), averaging around 4°C (39°F). The precipitation in January is slightly higher at 65 mm (2.5 in) but occurs over 12 days, and the humidity sees a slight increase to 88%. For a closer look at January weather, you can visit Ootmarsum weather in January.
September and February present contrasting weather patterns, highlighting the transition from late summer to winter. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 31°C (89°F), with an average of 15°C (59°F). The month experiences moderate precipitation of 63 mm (2.5 in) over about 10 days, accompanied by relatively high humidity at 83%. In stark contrast, February sees much colder conditions, with temperatures dropping to a minimum of -15°C (6°F) and peaking at 19°C (66°F), averaging just 4°C (40°F). This month also receives slightly more precipitation at 72 mm (2.8 in) over 12 days, with even higher humidity at 88%. For a more detailed look at February weather, check out Ootmarsum weather in February.
In comparing the weather between September and March, one can observe notable differences in temperature and precipitation patterns. September typically sees milder temperatures, ranging from a minimum of 3°C (37°F) to a maximum of 31°C (89°F), with an average of 15°C (59°F). In contrast, March experiences much colder conditions, with temperatures dropping as low as -9°C (16°F) and only reaching a maximum of 21°C (71°F), averaging 6°C (44°F).
Precipitation is also a factor, as September averages 63 mm (2.5 in) over 10 days, while March has slightly higher precipitation at 75 mm (2.9 in) spread across 14 days. Additionally, humidity levels are somewhat comparable, with September at 83% and March rising to 86%. For a detailed look at the specific weather conditions in March, you can check out Ootmarsum weather in March.
September and April present distinct weather patterns, reflecting the transition from summer to autumn in September and the onset of spring in April. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 31°C (89°F), with an average of 15°C (59°F). This month also sees a relatively high humidity of 83% and 63 mm (2.5 inches) of precipitation over approximately 10 days. In contrast, April tends to be cooler, with temperatures dipping as low as -4°C (25°F) and reaching a maximum of 28°C (83°F), averaging around 9°C (49°F). It experiences less rainfall, totaling 36 mm (1.4 inches) over about 9 days, with humidity slightly higher at 84%. For more detailed insights, check Ootmarsum weather in April.
In comparing the weather between September and May, both months experience similar maximum temperatures, soaring up to 31°C (89°F). However, September boasts a warmer average temperature of 15°C (59°F), while May has a cooler average of 13°C (56°F). Notably, May can dip as low as -1°C (30°F), whereas September's temperatures are milder, with a minimum of 3°C (37°F). Precipitation levels are quite close, with September receiving 63 mm (2.5 in) over 10 days and May slightly less at 61 mm (2.4 in) over 14 days. Humidity in September is slightly higher at 83%, compared to May's 80%. For more detailed insights into May's weather, you can visit Ootmarsum weather in May.
When comparing the weather in September and June, notable differences emerge, particularly in temperature and humidity. September sees a broader range, with temperatures ranging from a chilly 3°C (37°F) at night to a warm 31°C (89°F) during the day, while June has a milder temperature range from a minimum of 6°C (43°F) to a maximum of 36°C (98°F). Additionally, September experiences higher humidity levels at 83%, compared to June's 75%. Precipitation is slightly more in June at 70 mm (2.8 in) compared to September’s 63 mm (2.5 in), with both months averaging rain on about 10 days. For further details on June weather, you can visit Ootmarsum weather in June.
In comparing the weather of September and July, we see distinct differences in temperature and humidity. September usually experiences a more moderate temperature range, with a minimum of 3°C (37°F), an average of 15°C (59°F), and a maximum that can reach up to 31°C (89°F). In contrast, July tends to be hotter, featuring a minimum of 6°C (42°F), an average of 19°C (66°F), and a peak temperature of 40°C (104°F).
While both months have a significant amount of precipitation, July receives about 76 mm (3.0 in) over roughly 13 days, whereas September sees slightly less, at 63 mm (2.5 in) across 10 days. Humidity levels are also higher in September at 83% compared to July's 75%. For more detailed insights, you can check out Ootmarsum weather in July.
September generally experiences cooler temperatures compared to August, with a minimum of 3°C (37°F) and an average of 15°C (59°F), compared to August’s minimum of 8°C (46°F) and an average of 19°C (66°F). The maximum temperatures in September reach up to 31°C (89°F), which are lower than August’s high of 36°C (98°F). Precipitation is slightly less in September at 63 mm (2.5 in) over 10 days, compared to August's 75 mm (3.0 in) over 15 days. Additionally, September has higher humidity levels at 83% versus 75% in August. For more detailed information about August weather, you can check Ootmarsum weather in August.
September typically experiences warmer temperatures, with a minimum of 3°C and an average of 15°C, soaring up to a maximum of 31°C. In contrast, October sees cooler nights with a minimum dipping to -1°C, an average of 12°C, and a maximum of 28°C. While September has about 63 mm of precipitation over 10 days, October is slightly wetter, accumulating 83 mm over 14 days, reflecting a shift towards more frequent rainfall. Both months share high humidity, with September at 83% and October slightly higher at 86%. For more detailed weather information, you can check Ootmarsum weather in October.
In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 31°C (89°F), with an average of 15°C (59°F). The month experiences a decent amount of rainfall, totaling 63 mm (2.5 in) over about 10 days, and humidity hovers around 83%. In contrast, November brings cooler conditions, with temperatures dipping as low as -2°C (28°F) and averaging 7°C (45°F), peaking at only 19°C (66°F). Rainfall is slightly less at 53 mm (2.1 in) across 11 days, and humidity rises to 87%. For a detailed look at the conditions you can expect, check out Ootmarsum weather in November.
In September, the weather tends to be much warmer, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 31°C (89°F), averaging around 15°C (59°F). The month also experiences about 63 mm (2.5 in) of precipitation spread over approximately 10 days, with humidity levels at 83%. In contrast, December brings significantly cooler temperatures, with a minimum of -7°C (20°F) and a maximum of 14°C (58°F), averaging only 5°C (41°F). This month sees more frequent rainfall, totaling 87 mm (3.4 in) over 16 days, accompanied by slightly higher humidity at 86%. For more detailed weather specifics, you can check the link: Ootmarsum weather in December.
As September unfolds in Ootmarsum, it offers a remarkable transition from the warm summer months to the cooler embrace of autumn. Temperatures fluctuate between mild days and crisp nights, creating a perfect blend for outdoor adventures. While precipitation may greet you on about one-third of the month, the lush greenery and revitalized landscapes remind you of the refreshing change of seasons. With an average humidity hovering around a notable level, the air feels both invigorating and slightly damp. For those keen to know more about what to expect throughout the year, Ootmarsum Climate is a fantastic resource to explore!