Last updated: August 21, 2025
September in Molenbeek-Saint-Jean, Belgium showcases a remarkable shift in weather, with temperatures fluctuating between a maximum of 33°C (91°F) and a minimum of 4°C (39°F). The month brings an average temperature of 15°C (60°F), creating a mild yet occasionally warm atmosphere. While residents and visitors enjoy the beauty of early autumn, they should be prepared for nine days of precipitation, totaling 55 mm (2.2 in), accompanied by a high humidity level of 82%. This blend of warmth and moisture makes September a unique time to experience the charm of Molenbeek-Saint-Jean.
As September rolls in, Molenbeek-Saint-Jean experiences a delightful transition in temperatures, making it a perfect time for outdoor activities and exploration. The month begins with a minimum temperature of 4°C (39°F), gradually warming to an average of 15°C (60°F), and peaking at a delightful 33°C (91°F). This notable shift from the cooler summer months signals a shift towards autumn, yet retains a taste of summer's warmth. With the temperatures gradually tapering off as the month progresses, residents and visitors can enjoy the vibrant colors of early fall while relishing comfortably mild weather, contrasting sharply with the winter chills that follow in the coming months.
September in Molenbeek-Saint-Jean sees moderate precipitation, with an average of 55 mm (2.2 in) of rainfall spread over about 9 days. This marks a slight decrease from August's 80 mm (3.2 in), suggesting a transition into the drier fall months. Typically, September experiences fewer rainy days compared to the summer peak, indicating that while rain remains a part of the landscape, it tends to lessen as the season changes. This pattern continues as October brings a rise in both precipitation volume to 76 mm (3.0 in) and rainy days to 13, reflecting the onset of autumn's wetter conditions, showcasing Molenbeek-Saint-Jean's distinctive seasonal shifts.
In Molenbeek-Saint-Jean, Belgium, the humidity levels undergo a subtle but noticeable transformation throughout the year. After a peak in the winter months, with January recording a high of 91%, the air starts to feel a little drier as spring arrives, with April seeing a drop to 85%. This trend continues into the summer, hitting a low of 76% in August. However, as autumn unfolds, humidity levels rise again, settling at 82% in September. This slight increase signals a return to the wetter autumn months, preparing residents for the higher humidity typical of October and November, which both hover around 89% to 92%. The cyclical nature of humidity in the region highlights a constant dance between seasonal changes, leaving Molenbeek-Saint-Jean with a refreshing maritime influence year-round.
In September, Molenbeek-Saint-Jean experiences a moderate UV Index of 5, signaling a shift from the high summer levels seen in the previous months. This indicates that while sun protection is still advisable, the urgency decreases compared to the peak days of July and August when the index reached an intense 8. With a burn time of just 30 minutes, it's essential to remain mindful of sun exposure, especially during the midday hours. As autumn approaches, the gradual decline in UV intensity suggests a transition towards lower sun exposure, reflective of the changing seasons. For more detailed information on UV trends throughout the year, visit Molenbeek-Saint-Jean UV Index.
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In Molenbeek-Saint-Jean, September shines brightly with an impressive 319 hours of sunlight, marking a delightful transition from the sun-soaked summer months. As the days shorten, this month still radiates warmth compared to the earlier winter months, where sunlight can dwindle to as low as 121 hours in January. The climb to September's substantial hours reflects a steady rise from 266 hours in March, peaking throughout the summer with 406 hours in July before gradually tapering off. With autumn on the horizon, September offers a splendid farewell to summer, striking a perfect balance between brightness and the crispness of the impending season.
September in Molenbeek-Saint-Jean, Belgium, brings a promising 36% chance of sunny weather, making it one of the more favorable months for sunshine after the bustling summer. This slight uptick from August, paired with a gradual increase since the spring months, indicates that the transition into autumn can still harbor delightful days. While not as bright as peak summer, September offers opportunities to enjoy the outdoors before the chill of October sets in, aligning comfortably with the overall trend of fluctuating sunshine from January's stark 11% to the more moderate October at 32%. Embrace the lingering warmth while it lasts!
As September rolls into Molenbeek-Saint-Jean, daylight begins to wane, offering only 12 hours of sunlight—a gentle transition from the long, sunlit days of summer. This month marks a noticeable dip from the peak of 16 hours in June, as the vibrant energy of July and August, with 15 and 14 hours respectively, gives way to the shorter days of autumn. Following the longest days of the year, September's daylight serves as a reminder of nature's rhythmic cycles, ultimately leading us into the cooler, darker months. It's a time of subtle change, where the warmth of summer lingers in the air while the evenings begin to draw in, inviting reflection and preparation for the oncoming season.
In Molenbeek-Saint-Jean, Belgium, September marks a subtle transition in wind patterns, featuring an average wind speed of 3.0 m/s (7 mph). This gentle breeze signifies a shift from the milder gusts of summer, with July and August averaging 3.3 m/s and 3.4 m/s respectively. It's intriguing to note that September's winds are at their annual low, setting the stage for the more invigorating gusts that autumn will bring, as October typically sees a rise to 4.3 m/s. Overall, the trend reflects a gradual winding down of warmer days, inviting a softer, yet persistent breeze that encourages reflection amidst the vibrant hues of early fall.
Weather in Molenbeek-Saint-Jean varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Molenbeek-Saint-Jean, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present strikingly contrasting 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 experiences around 55 mm (2.2 in) of precipitation over approximately 9 days, accompanied by a humidity level of 82%. Conversely, January brings much colder conditions, with temperatures dipping to a minimum of -7°C (20°F) and peaking at just 14°C (57°F), averaging 4°C (39°F). This winter month sees slightly higher precipitation at 65 mm (2.5 in) across 12 days, and the humidity increases to 91%. For more details on January weather specifically, you can check Molenbeek-Saint-Jean weather in January.
September and February present stark contrasts in weather conditions. September boasts a wider temperature range, with minimums around 4°C (39°F) and maximums reaching up to 33°C (91°F), resulting in a pleasantly warm average of 15°C (60°F). In contrast, February is much chillier, with temperatures dipping to a minimum of -8°C (17°F) and an average of only 5°C (42°F), while the maximum does not exceed 19°C (66°F). Precipitation is more frequent in February, occurring over 12 days and totaling 69 mm (2.7 in), compared to September's 9 days and 55 mm (2.2 in). The humidity is also slightly higher in February at 89%, compared to 82% in September. For more detailed information, you can refer to Molenbeek-Saint-Jean weather in February.
September and March present notably distinct weather patterns. In September, temperatures range from a minimum of 4°C (39°F) to a pleasant maximum of 33°C (91°F), with an average of 15°C (60°F). The precipitation levels are moderate at 55 mm (2.2 in) over approximately 9 days, accompanied by a relatively high humidity of 82%. In contrast, March exhibits cooler temperatures, with a minimum of -8°C (17°F) and a maximum of 23°C (74°F), averaging around 7°C (45°F). This month sees slightly higher precipitation at 70 mm (2.8 in) across about 14 days, and even higher humidity at 87%. For more specific details on March weather in Molenbeek-Saint-Jean, you can refer to Molenbeek-Saint-Jean weather in March.
September and April showcase distinct weather patterns. In September, temperatures range from a chilly minimum of 4°C (39°F) to a warm maximum of 33°C (91°F), with an average of 15°C (60°F) and relatively high humidity at 82%. Precipitation is also notable, with 55 mm (2.2 in) falling over an estimated 9 days. In contrast, April experiences cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 27°C (80°F), averaging around 10°C (50°F). The month sees less rainfall, totaling 37 mm (1.5 in) over about 8 days, accompanied by slightly higher humidity at 85%. For more information on April weather specifics, visit Molenbeek-Saint-Jean weather in April.
September and May both feature mild weather conditions, but they exhibit distinct differences. In September, the temperature ranges 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, May starts with slightly cooler temperatures, ranging from 1°C (33°F) to a maximum of 31°C (88°F) and an average of 13°C (57°F). Precipitation levels are relatively similar, with September receiving 55 mm (2.2 in) over 9 days and May seeing 58 mm (2.3 in) across 12 days. Both months maintain the same level of humidity at 82%, making the air feel quite saturated. For more specific information about conditions in May, you can refer to this link: Molenbeek-Saint-Jean weather in May.
When comparing the weather in September to that of June, we notice several distinct differences. September experiences a broader temperature range with daily highs reaching up to 33°C (91°F) and lows dipping to 4°C (39°F), while June has slightly milder temperatures with a minimum of 7°C (44°F) and a maximum of 32°C (91°F). Precipitation is quite similar in both months: September averages 55 mm (2.2 in) over 9 days, compared to June's 66 mm (2.6 in) also over 9 days. Interestingly, both months experience a humid atmosphere, with humidity levels consistently at 82%. For more details on June weather, you can check Molenbeek-Saint-Jean weather in June.
When comparing the weather in September to that of July, we see notable differences in temperature and precipitation. September typically experiences a wider temperature range, with minimums dropping to 4°C (39°F) and maximums reaching up to 33°C (91°F), resulting in an average of 15°C (60°F). In contrast, July boasts warmer temperatures, with minimums at 8°C (46°F) and maximums soaring to 39°C (102°F), averaging 19°C (66°F). In terms of precipitation, July is slightly wetter with 71 mm (2.8 in) over 11 days, compared to September's 55 mm (2.2 in) over 9 days. Humidity levels are relatively similar, with September at 82% and July slightly lower at 80%. For more details, check out Molenbeek-Saint-Jean weather in July.
In comparing the weather between August and September, September generally features cooler temperatures with a minimum of 4°C and an average of 15°C, while August maintains warmer conditions, starting from a minimum of 8°C and averaging 19°C. The maximum temperature in August can reach up to 36°C, significantly higher than September's peak of 33°C. Rainfall is also more frequent in August, with 80 mm falling over 14 days as opposed to September’s 55 mm over 9 days. On the humidity front, September is slightly more humid at 82% compared to August's 76%. For more detailed information, you can visit Molenbeek-Saint-Jean weather in August.
September's weather offers a warm transition from summer to autumn, 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 sees moderate precipitation of 55 mm (2.2 in) over 9 days, accompanied by relatively high humidity at 82%. In contrast, October brings a noticeable drop in temperatures, with lows reaching 1°C (34°F) and highs only reaching 25°C (77°F), settling at an average of 12°C (54°F). This month is wetter, with 76 mm (3.0 in) of rain across 13 days and even higher humidity levels at 89%. For more detailed insights, check Molenbeek-Saint-Jean weather in October.
September and November present contrasting weather patterns. In September, temperatures range from a mild 4°C (39°F) at night to a warm maximum of 33°C (91°F) during the day, with an average temperature of 15°C (60°F). The month sees a total precipitation of 55 mm (2.2 in) over 9 days, accompanied by a relatively lower humidity level of 82%. In stark contrast, November experiences colder weather, with minimum temperatures dropping to -2°C (28°F) and an average temperature of just 7°C (45°F). The maximum temperature reaches 18°C (65°F), but rainfall slightly increases to 57 mm (2.2 in) over 11 days, while humidity rises to 92%. For more details on November’s weather, check out Molenbeek-Saint-Jean weather in November.
September weather is characterized by a wide range of temperatures, with a minimum of 4°C (39°F) and maximums reaching up to 33°C (91°F). The average temperature sits comfortably at 15°C (60°F), and despite some rainfall, precipitation levels are relatively low at 55 mm (2.2 in) over 9 days. Humidity during this month is moderate at 82%.
In contrast, December brings a notable drop in temperatures, with minimums plunging to -5°C (24°F) and averages around 5°C (42°F). Maximum temperatures are much cooler, capping at 15°C (59°F). The month experiences increased precipitation at 93 mm (3.7 in) over 17 days and slightly higher humidity at 92%. For more details on December's weather, check out Molenbeek-Saint-Jean weather in December.
As September unfolds in Molenbeek-Saint-Jean, residents experience a unique blend of warmth and coolness, making it a transition month that sets the stage for autumn. Unlike the sweltering summers, temperatures can soar up to 33°C while also dipping to a refreshing 4°C at night, showcasing the month’s dynamic climate. With an average temperature of around 15°C, September brings about a noticeable shift in weather patterns, including increased humidity at 82% and occasional rains, totaling 55 mm over about 9 days. This month offers a delightful mix for those who enjoy the lingering warmth of summer while welcoming the crispness of fall. For a deeper understanding of the area's weather trends, explore the Molenbeek-Saint-Jean Climate.