Last updated: August 21, 2025
September in Koekelberg, Belgium, offers a dynamic climate experience, characterized by a maximum temperature of 33°C (91°F) and an average temperature settling at a comfortable 15°C (60°F). While warm days are a highlight, nighttime can bring cooler temperatures, dipping to a minimum of 4°C (39°F). Throughout the month, residents and visitors can expect 9 days of precipitation, totaling 55 mm (2.2 in), and a notably high humidity level of 82%, creating a mix of warmth and moisture in the air. This blend of weather elements makes September a unique month for those exploring the charm of Koekelberg.
In September, Koekelberg experiences a delightful transition, as summer's warmth gently lingers while autumn begins to set in. The minimum temperature averages around 4°C (39°F), offering a refreshing start to the day, while the afternoons can heat up to a comfortable 33°C (91°F). This month boasts an average temperature of 15°C (60°F), striking a perfect balance for outdoor activities and nostalgic strolls through the vibrant streets. As the month progresses, the days grow shorter and cooler, hinting at the impending change of seasons while still allowing for those last sunny outings of the year. Overall, September in Koekelberg is marked by warm days and crisp evenings, creating an inviting atmosphere for both locals and visitors alike.
September in Koekelberg, Belgium, typically sees moderate precipitation, with an average of 55 mm (2.2 in) over 9 rainy days. This marks a slight decline from the wetter months of August, which averages 80 mm (3.2 in). Following the summer's peak humidity, September offers a gentler transition into autumn, where rainfall diminishes, yet still maintains a consistent rhythm. This trend continues into October, which experiences an uptick in precipitation to 76 mm (3.0 in), hinting at the approaching winter months. Thus, September serves as a pivotal month, balancing the year's rainfall patterns and setting the stage for the cooler, wetter days ahead.
In Koekelberg, Belgium, September brings a notable shift as humidity levels stabilize at 82%, mirroring the comfortable patterns seen during the preceding summer months. After the peak summer humidity in August at 76%, September marks a return to higher moisture levels, typical as autumn begins to take hold. As the year progresses, humidity tends to rise again, peaking sharply in the colder months, with November and December reaching a high of 92%. This transition illustrates a clear seasonal trend where summer's relative dryness makes way for a more humid atmosphere as the year winds down. Thus, September serves as a bridge, balancing the last whispers of summer with the impending embrace of autumn's dew-laden air.
As summer winds down, September in Koekelberg, Belgium, presents a moderate UV Index of 5, indicating a notable decrease in sun intensity compared to the peak months of June and July, which reached a very high UV Index of 8. This shift allows for a more comfortable 30-minute burn time, making it a great opportunity to enjoy the outdoors while still practicing sun safety. The trend shows a gradual decline in UV exposure following the summer months, with the UV Index set to drop further as autumn approaches. For detailed UV trends throughout the year, check out Koekelberg UV Index.
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September in Koekelberg, Belgium, often serves as a delightful transition from the sun-drenched days of summer to the cooler embrace of autumn. With 319 hours of sunshine, September boasts a vibrant glow that lingers, just shy of the brilliant months of July and June. This month showcases a notable decline from the peak summer sunshine, yet it remains considerably brighter than the gloomy depths of winter. As the golden rays begin to wane, locals and visitors alike can still savor the mild temperatures and the beautiful light, making it an ideal time for outdoor exploration and enjoying the scenic charm of Koekelberg before the days shorten and the leaves begin to fall.
September in Koekelberg, Belgium, marks a transition towards autumn, yet it maintains a promising 36% chance of sunny weather. This slight increase from the summer months, where the likelihood hovers around 29% to 34%, suggests that the early days of fall can still offer glimpses of sunshine. Interestingly, while the chances of sunny days begin to dip compared to the peak of spring’s 50% in April, September remains a favorable month for those seeking a bit of brightness before the drearier October sets in with 32%. This steady trend highlights September as a delightful time for outdoor activities, offering the warmth of summer while subtly embracing the crispness of autumn.
September in Koekelberg, Belgium, marks the gentle shift from the long, sun-drenched days of summer to the shorter daylight hours of autumn. As the month begins, residents can enjoy about 12 hours of daylight, a noticeable decrease from the vibrant 15 hours seen in May and June. This transitional period reflects a broader trend observed throughout the year: daylight increases steadily from the 8 hours in January to a peak in June, before gradually tapering off again. As September wanes, it serves as a reminder of the changing seasons, where nature's beauty persists even as the sun's presence diminishes.
As September settles over Koekelberg, Belgium, the wind takes on a gentler character, with an average speed of 3.0 m/s (7 mph). This marks a notable dip from the breezier summer months, where the wind played a lively role in daily life, demonstrating average speeds of 3.3 m/s (7 mph) in July and 3.4 m/s (8 mph) in August. The shift towards softer winds is indicative of the transitioning season, as nature prepares for the cooler autumn days ahead. Interestingly, just a month later in October, the average wind speed rebounds to 4.3 m/s (10 mph), highlighting the dynamic fluctuations characteristic of Belgium's weather patterns. Overall, September serves as a tranquil interlude before the winds pick up once again, perfectly encapsulating the serenity of early fall.
Weather in Koekelberg varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Koekelberg, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather conditions. In September, temperatures can range from a pleasant 15°C (60°F) on average, peaking at a warm 33°C (91°F), making it one of the last chances to enjoy summer warmth. Meanwhile, January brings much colder weather, with average temperatures around 4°C (39°F) and chilling drops to as low as -7°C (20°F). Precipitation is slightly higher in January at 65 mm (2.5 in), occurring over more days (12) compared to September's 55 mm (2.2 in) over 9 days. The humidity also rises in January to 91%, compared to September's 82%, contributing to a notably different feel during these months. For more detailed insights on January weather, you can visit Koekelberg weather in January.
When comparing the weather in September and February, notable differences emerge in temperature and precipitation patterns. September experiences milder conditions with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 33°C (91°F), while February is considerably colder, with temperatures dipping as low as -8°C (17°F) and only reaching a maximum of 19°C (66°F). Additionally, September has an average temperature of 15°C (60°F) and 55 mm (2.2 in) of precipitation over 9 days, whereas February sees more precipitation at 69 mm (2.7 in) across 12 days. Humidity levels are also higher in February at 89%, compared to 82% in September. For more detailed information, you can check Koekelberg weather in February.
September and March present quite a contrast in weather patterns. In September, temperatures range from a mild 4°C (39°F) at night to a warm 33°C (91°F) during the day, with an average of 15°C (60°F). The month sees precipitation of 55 mm (2.2 in) over about 9 days and a relatively high humidity of 82%. In contrast, March experiences much chillier conditions, with temperatures plummeting to a minimum of -8°C (17°F) and an average of just 7°C (45°F). The maximum temperature reaches 23°C (74°F), and the month is wetter overall with 70 mm (2.8 in) of precipitation occurring over 14 days and slightly higher humidity at 87%. For more detailed information, you can check out Koekelberg weather in March.
September and April present distinct weather patterns, showcasing the transition from summer to autumn and the tail end of winter into spring, respectively. In September, temperatures can reach up to 33°C (91°F), with an average of 15°C (60°F), while April offers cooler conditions, peaking at 27°C (80°F) and averaging around 10°C (50°F). Notably, September experiences slightly more precipitation at 55 mm (2.2 in) over approximately 9 days, compared to April's 37 mm (1.5 in) spread across 8 days. Humidity levels are comparable, with September at 82% and April slightly higher at 85%. For a closer look at the specific weather patterns in April, you can check Koekelberg weather in April.
September and May offer distinctly different weather patterns. September typically experiences a broader temperature range, with minimums of 4°C (39°F), averages around 15°C (60°F), and maximums reaching 33°C (91°F). In contrast, May has cooler temperatures, with minimums of 1°C (33°F) and averages of 13°C (57°F), but it can still reach a high of 31°C (88°F). Both months see similar precipitation levels, with September receiving about 55 mm (2.2 in) over 9 days and May slightly higher at 58 mm (2.3 in) over 12 days, and humidity remains consistent at 82%. For a detailed look at the weather specifics in May, check out Koekelberg weather in May.
When comparing the weather in September and June, we see some notable differences and similarities. In September, the temperatures range from a minimum of 4°C (39°F) to a maximum of 33°C (91°F), with an average temperature of 15°C (60°F). In contrast, June typically has slightly warmer conditions, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 32°C (91°F) and an average of 18°C (65°F). Both months experience similar humidity levels at 82%, but September tends to have less rainfall, with 55 mm (2.2 in) over 9 days compared to June's 66 mm (2.6 in). For more specific details about June weather, you can check out Koekelberg weather in June.
In comparing the weather patterns of September and July, September experiences a wider temperature range, with minimums as low as 4°C (39°F) and maximums reaching up to 33°C (91°F), averaging around 15°C (60°F). In contrast, July tends to be warmer overall, with minimums of 8°C (46°F) and maximums peaking at 39°C (102°F), leading to a higher average of 19°C (66°F). July also sees slightly more precipitation at 71 mm (2.8 in) over 11 days, compared to September's 55 mm (2.2 in) over 9 days. Interestingly, humidity levels are fairly consistent, with September at 82% and July at 80%. For more specific details about July weather, refer to Koekelberg weather in July.
In comparing the weather between September and August, September presents a cooler profile overall, with temperature lows dipping to 4°C (39°F) compared to August's minimum of 8°C (46°F). The average temperature in September is also lower at 15°C (60°F), while August boasts a warmer average of 19°C (66°F). Additionally, September experiences a maximum temperature of 33°C (91°F), slightly less than August's peak of 36°C (97°F). Precipitation levels are notably higher in August, with 80 mm (3.2 in) falling over 14 days, compared to September's 55 mm (2.2 in) over 9 days, though September's humidity sits a bit higher at 82% versus August’s 76%. For detailed insights into August's weather, check out Koekelberg weather in August.
September weather tends to be warmer, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 33°C (91°F) and an average of 15°C (60°F). The month experiences about 55 mm (2.2 in) of precipitation over 9 days, accompanied by a humidity level of 82%. In contrast, October brings a notable shift in conditions, with cooler temperatures ranging from a minimum of 1°C (34°F) to a maximum of 25°C (77°F) and an average of 12°C (54°F). This month receives more precipitation at 76 mm (3.0 in) over 13 days and experiences higher humidity at 89%. For more detailed weather insights, you can check Koekelberg weather in October.
September and November present notably different weather patterns. In September, temperatures can range from a mild 4°C (39°F) at night to a warm 33°C (91°F) during the day, with an average of 15°C (60°F). The month receives about 55 mm (2.2 in) of precipitation over approximately 9 days, and the humidity stands at a comfortable 82%. In contrast, November sees a significant drop in temperatures, with minimums reaching -2°C (28°F) and maximums only climbing to 18°C (65°F), averaging around 7°C (45°F). While the precipitation remains similar at 57 mm (2.2 in), it is spread across 11 days, and humidity rises slightly to 92%. For more details on the specific weather conditions during this time, check out Koekelberg weather in November.
September and December present stark differences in weather conditions. In September, temperatures range from a mild 4°C (39°F) at night to a warm 33°C (91°F) during the day, with an average of 15°C (60°F). The month sees relatively moderate precipitation of 55 mm (2.2 in) spread over about 9 days, and humidity levels are at 82%. In contrast, December experiences colder temperatures, with minimums dropping to -5°C (24°F) and daytime highs only reaching 15°C (59°F), averaging around 5°C (42°F). Precipitation increases to 93 mm (3.7 in) across 17 days, accompanied by higher humidity levels of 92%. For more details on December weather, you can visit Koekelberg weather in December.
As September unfolds in Koekelberg, the weather presents a noticeable shift, transitioning from the sweltering heat of summer to a more moderate climate. This month brings an average temperature that gently cradles the coolness of early autumn, with maximum temperatures reaching a refreshing 33°C and dipping to a brisk 4°C at night. While the humidity hangs around a high 82%, the rainfall pattern with 55 mm over nine days signals the start of a wetter season, providing much-needed hydration to the landscape. Overall, September welcomes a balance between warmth and freshness, setting the stage for the picturesque fall months ahead. For more details, explore the full dynamics of this region’s climate here: Koekelberg Climate.