Last updated: August 21, 2025
In September, Bernissart, Belgium experiences a striking contrast in weather, with maximum temperatures reaching 33°C (91°F) and a refreshing average of 16°C (60°F). The month can start with crisp mornings, where lows can drop to a chilly 3°C (38°F). While September brings 49 mm (1.9 in) of rainfall spread over 9 days, the high humidity at 82% often enhances the warmth, creating a uniquely vibrant and temperate atmosphere. Whether basking in the sun or enjoying the cooler breezes, this month offers a beautiful blend of summer's end and autumn's onset.
In September, Bernissart experiences a delightful transition as summer bids farewell, with temperatures showing a marked cooling. The minimum temperature settles at 3°C (38°F), offering a crisp start to the month, while the average temperature reaches a comfortable 16°C (60°F). Daytime warmth can still be felt, peaking at a pleasant 33°C (91°F), maintaining a summer-like vibe particularly early in the month. This shift sets the stage for the gradual descent into autumn, making September a unique blend of lingering warmth and refreshing coolness, inviting outdoor activities and scenic strolls through the changing foliage.
In September, Bernissart experiences a notable shift in weather, with precipitation dropping to 49 mm (1.9 in) over an average of 9 rainy days. This marks a decrease from the wetter conditions of August, which recorded 79 mm (3.1 in) across 13 days. The transition signals a gradual move towards autumn, as the month of September typically brings cooler temperatures and a more stable climate, preparing the region for the heightened rainfall that October often brings, with its average of 78 mm (3.1 in). Despite this dip in precipitation, the lush landscapes of Bernissart remain vibrant, reflecting the residual effects of the summer rains.
September in Bernissart, Belgium, brings a notable shift in humidity levels, averaging around 82%. Following the warm and relatively less humid summer months, where August recorded the year's lowest humidity at 76%, September witnesses a slight uptick that aligns more closely with spring conditions. This gradual increase hints at the impending transition into fall, as later months see humidity levels rise again, peaking in winter. The fluctuations throughout the year reveal a clear trend: while summer offers a brief respite from the summer’s moist air, September serves as a gentle reminder of the wetter months ahead, setting the stage for the more humid conditions of October and November.
As summer gives way to autumn in September, Bernissart experiences a noticeable decline in UV exposure, with the UV Index settling at 5, categorizing it as moderate. This shift marks a gentle transition from the intense July and June months, where the UV Index soared to 8, indicating very high exposure levels. With a burn time of 30 minutes, September presents a more balanced environment, allowing residents and visitors to enjoy outdoor activities while remaining mindful of sun safety. The trend throughout the year reveals a clear pattern of increased UV exposure during the warmer months, ultimately decreasing as fall approaches. For detailed insights, explore the Bernissart UV Index, ensuring you stay informed and ready for all seasons.
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In September in Bernissart, Belgium, the sun shines for a commendable 321 hours, continuing the trend of vibrant summer days characterized by the peak sunshine in July at 415 hours. As autumn approaches, there is a noticeable decline in daylight hours compared to the preceding months—August still boasts 383 hours, hinting at lingering summer warmth. Despite the reduction, September's sunshine is a welcome embrace before the onset of the cooler months, with October expected to see a further dip to 254 hours. Overall, the gradual waning of daylight from the sizzling summer weeks lends a cozy charm to the onset of fall, inviting both locals and visitors to savor the mellow warmth of early autumn days.
In Bernissart, Belgium, September brings a moderate 37% chance of sunny weather, marking a slight improvement compared to the summer months. While June, July, and August hover around 30%, September stands out with its greater likelihood of sunshine, hinting at the last vestiges of summer warmth. This transitional month bridges the gap between the sunny days of summer and the cooler onset of autumn, creating an inviting atmosphere for outdoor activities. However, as the year progresses, the likelihood of sunny days begins to dip again in October, emphasizing a trend towards cloudier skies as winter approaches. Overall, September offers a pleasantly balanced opportunity for enjoying the sun before it becomes less frequent in the months to come.
In September, Bernissart, Belgium, experiences a transition as daylight diminishes from the sun-drenched summer months to the cozy embrace of autumn. With approximately 12 hours of daylight, this month mirrors the gradual decline that began in July and August, where the days were basked in 15 and 14 hours of light, respectively. As the vibrant colors of fall start to emerge, September serves as a gentle reminder of the shifting seasons, bridging the longer days of summer with the shorter daylight hours that will soon follow in October, which offers just 10 hours. This pattern underscores the rhythmic ebb and flow of daylight, creating a captivating backdrop for those enjoying the beauty of nature in Bernissart.
As September rolls in Bernissart, Belgium, the gentle whispers of autumn begin to take hold, evident in the average wind speed dipping to 2.9 m/s (6 mph). This marks a gradual decline from the higher speeds of summer, where the wind danced pleasantly at 3.3 m/s (7 mph) in the preceding months. Interestingly, September's breeze is softer compared to earlier in the year, peaking in May at 4.3 m/s (10 mph) and then steadily decreasing through the summer. As the days shorten and the leaves start to fall, the calmness of September’s wind provides a serene backdrop, contrasting with the more vigorous gusts of earlier months. Looking ahead, we anticipate a slight increase as October approaches, hinting at the changing dynamics of the season.
Weather in Bernissart varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bernissart, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January in Bernissart present starkly different weather conditions. In September, temperatures range from a pleasant min of 3°C (38°F) to a max of 33°C (91°F), with an average of 16°C (60°F). It experiences about 49 mm (1.9 in) of precipitation over 9 days, combined with a relatively high humidity level of 82%. In contrast, January sees colder temperatures, with a minimum of -7°C (21°F) and a maximum of only 14°C (57°F), averaging around 4°C (39°F). The month is slightly wetter, recording 65 mm (2.6 in) of precipitation across 12 days, accompanied by increased humidity at 91%. For more detailed information on January weather in Bernissart, you can check Bernissart weather in January.
September and February present distinct contrasts in weather. In September, temperatures range from a cool 3°C (38°F) at night to a warm 33°C (91°F) during the day, with an average temperature of 16°C (60°F). The month experiences a moderate amount of precipitation, totaling 49 mm (1.9 in) over approximately 9 days, while humidity levels hover around 82%. In contrast, February is significantly colder, with temperatures dipping as low as -8°C (18°F) and reaching a maximum of 19°C (66°F). The average temperature is just 5°C (42°F), accompanied by increased rainfall of 72 mm (2.8 in) spread over 12 days and slightly higher humidity at 89%. For more details about February weather, you can visit Bernissart weather in February.
In September, temperatures typically range from a minimum of 3°C (38°F) to a maximum of 33°C (91°F), with an average of 16°C (60°F). The month experiences moderate precipitation, averaging 49 mm (1.9 in) over about nine days, accompanied by a relative humidity of 82%. In contrast, March brings chillier weather, with temperatures dropping to a minimum of -8°C (17°F) and rising to a maximum of 23°C (73°F), averaging at 7°C (46°F). This month is wetter, with 73 mm (2.9 in) of precipitation spread over approximately 14 days, and a slightly higher humidity of 87%. For a closer look at the specifics of March weather in this region, you can check Bernissart weather in March.
In September, the weather is generally warmer with a broader temperature range, featuring minimum temperatures of 3°C (38°F) and maximums reaching up to 33°C (91°F). The average temperature sits at a comfortable 16°C (60°F), and the month experiences 49 mm of precipitation over 9 days, alongside a humidity level of 82%. In contrast, April tends to be cooler, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 26°C (79°F) and an average of just 10°C (50°F). This month sees slightly less rainfall, with 38 mm over 8 days and higher humidity at 85%. For more specific details on April weather, you can check Bernissart weather in April.
In comparing the weather of September and May, we observe notable differences in temperature and precipitation patterns. September generally enjoys warmer temperatures, with averages around 16°C (60°F) and highs reaching up to 33°C (91°F), while May has a slightly cooler average of 14°C (57°F) and maximum temperatures of 30°C (86°F). Despite the warmer conditions in September, it experiences less precipitation, totaling 49 mm (1.9 in) over 9 days, compared to May’s 59 mm (2.3 in) spread across 13 days. However, both months share the same humidity level of 82%, indicating a consistently moist atmosphere. For more detailed information, you can check Bernissart weather in May.
In comparing the weather between September and June, we observe some notable similarities and differences. Both months experience maximum temperatures reaching up to 33°C (91°F), creating warm days. However, September has a broader temperature range with a minimum of 3°C (38°F) compared to June's minimum of 6°C (43°F), resulting in cooler nights in September. Additionally, both months see similar humidity levels at 82%, but September receives slightly less precipitation (49 mm) than June (57 mm), despite both having rain on about nine days. For more details on June weather, you can visit Bernissart weather in June.
In comparing the weather of September and July, notable differences emerge in both temperature and precipitation. September experiences a broader temperature range, with minimums as low as 3°C (38°F) and maximums reaching 33°C (91°F), while the average sits at 16°C (60°F). In contrast, July has higher overall temperatures, ranging from a minimum of 8°C (47°F) to a scorching maximum of 40°C (104°F), averaging 19°C (66°F).
Precipitation levels are also noteworthy; September sees 49 mm (1.9 in) of rain over approximately 9 days, while July has slightly more with 60 mm (2.4 in) falling over 10 days. Humidity remains relatively high in both months, with September at 82% and July at 80%. For more detailed information on July weather in Bernissart, you can check this link: Bernissart weather in July.
In comparing the weather between September and August, September tends to be a bit cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 33°C (91°F), averaging around 16°C (60°F). In contrast, August enjoys milder temperatures, starting from a minimum of 7°C (45°F) and peaking at 37°C (99°F), with an average of 19°C (66°F). Precipitation levels are higher in August at 79 mm (3.1 in) over 13 days, compared to September's 49 mm (1.9 in) across 9 days, indicating that August is generally wetter. Additionally, September experiences a higher humidity level at 82%, compared to August's 76%, making the air feel more humid in the former month. For more detailed information, please check Bernissart weather in August.
September and October exhibit distinct differences in weather patterns. September typically showcases a wider temperature range, with minimums around 3°C (38°F) and maximums reaching up to 33°C (91°F), creating an average of 16°C (60°F). In contrast, October sees cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 25°C (77°F), leading to an average of 12°C (54°F). Additionally, October experiences increased precipitation, totaling 78 mm (3.1 in) over 13 days, compared to September's 49 mm (1.9 in) over 9 days, along with a rise in humidity from 82% to 89%. For further details, you can check out Bernissart weather in October.
September and November present contrasting weather patterns. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 33°C (91°F), with an average of 16°C (60°F), making it a warmer month overall. Humidity is relatively high at 82%, and there’s about 49 mm (1.9 in) of precipitation over 9 days. In contrast, November sees a drop in temperatures, with a minimum of -2°C (29°F) and an average of 7°C (46°F), culminating in a maximum of 18°C (65°F). This month experiences even higher humidity at 92% and increased precipitation, totaling 60 mm (2.4 in) across 11 days. For details on November’s weather conditions, you can visit Bernissart weather in November.
September weather typically offers a warm transition into autumn, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 33°C (91°F) and an average of 16°C (60°F). Humidity sits at a moderate 82%, with approximately 49 mm (1.9 in) of precipitation spread over 9 days. In contrast, December brings a stark change with colder temperatures, dropping to a minimum of -4°C (25°F) and averaging 6°C (42°F), with a maximum temperature of just 15°C (59°F). The month is much wetter, seeing 100 mm (3.9 in) of rainfall over 17 days and a higher humidity level of 92%. For more details, check Bernissart weather in December.
In September, Bernissart experiences a noticeable transition from the warmth of summer to the cooler embrace of autumn. While the month can still see days with temperatures peaking at a sweltering 33°C (91°F), the average settles comfortably at a more temperate 16°C (60°F), providing a delightful mix of warmth and crispness. With about nine days of rain contributing to a total of 49 mm (1.9 in) of precipitation, the humidity hovers around a high 82%, creating a distinctive feel in the air that signals the end of summer. This month stands out not only for its fluctuating temperatures but also for its lush, vibrant scenery as nature prepares for the oncoming chill. For a deeper understanding of seasonal trends, explore Bernissart Climate.