September Weather in Brugge, Belgium

Last updated: August 21, 2025

September in Brugge, Belgium offers a delightful mix of warm and cool days, with temperatures reaching a maximum of 30°C (86°F) while averaging around 16°C (61°F). Although the month experiences a minimum temperature of 7°C (45°F), it creates a charming transition into autumn. With 56 mm (2.2 in) of precipitation over 10 days, the city maintains a lush, vibrant landscape, while humidity levels hover at a comfortable 82%. This captivating weather makes Brugge an ideal destination for those seeking to explore its historic streets and picturesque canals.

September Temperature in Brugge

In September, Brugge experiences a delightful transition into autumn, with temperatures becoming notably mild. The month begins with evening lows around 7°C (45°F), providing a crisp but comfortable start to the day, while daytime highs can reach up to 30°C (86°F), allowing for pleasantly warm afternoons. This period marks a gradual shift from the scorching summer peak temperatures, as seen in July and August, which can soar to the high 30s °C (100°F). With an average of 16°C (61°F), September offers a charming mix of warmth and coolness, making it an ideal time for strolls along the city's picturesque canals and cobbled streets. As the month progresses, visitors can expect the temperatures to dip slightly, signaling the approaching autumn while still retaining the inviting essence of late summer.

September Weather in Brugge: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Brugge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brugge, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345505663656661554744
Data source: Temperature data for Brugge generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Brugge

In September, Brugge experiences an average precipitation of 56 mm (2.2 in) over 10 days, striking a balance between the summer's wetter months and the approaching autumnal downpour. This moderate rainfall, which is slightly lower than August's 74 mm (2.9 in), signals a gradual transition as the city gears up for the wetter October, known for its 89 mm (3.5 in) of precipitation. While September might not be the rainiest month, it serves as a reminder of the changing seasons, blending sunny spells with refreshing showers, perfect for enjoying the city's charm before the heavier rains arrive.

September Precipitation Trends in Brugge

The chart displays monthly precipitation patterns in Brugge, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Brugge, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6561643954616074568960100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Brugge

As summer bids farewell, September in Brugge, Belgium, sees a slight uptick in humidity, hovering around 82%. This marks a return to the moisture levels reminiscent of late spring, following the notably lower humidity of 76% in August. This trend reflects the transition into fall, where the air becomes crisper but retains a lingering warmth. The city's lush landscapes thrive on this atmospheric balance, setting a picturesque backdrop for strolls along its historic canals. While humidity levels are significantly lower than the frosty months ahead—where figures spike to 92% in November and December—September offers a comfortable embrace of moisture, making it an inviting time to explore Brugge's enchanting charm.

September Average Humidity in Brugge

This chart illustrates the average monthly humidity levels in Brugge, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Brugge is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Brugge

As summer transitions to autumn in Brugge, Belgium, the September UV Index reflects a moderate level of solar exposure at 5. This drop from the peak summer values of 7 and 8 indicates a shift in the sun's intensity, allowing for a slightly longer burn time of 30 minutes. While September still offers pleasant outdoor conditions, it’s essential to remain mindful of sun protection, especially during midday hours. As the days shorten and the UV Index decreases further in October, you'll notice the patterns of sun exposure shifting between seasons. For more information on how to stay safe under the sun throughout the year, check out Brugge UV Index.

Maximum UV Index Levels in Brugge for September

The chart shows the monthly maximum UV Index (UVI) for Brugge in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Brugge typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Brugge September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Brugge

In September, Brugge basks in a pleasant 320 hours of sunshine, marking a delightful transition as the summer warmth lingers just a little longer. This month stands out as a significant drop from the sun-drenched days of July, which boasts the year's peak at 415 hours. However, compared to earlier months, September still shines brighter than the dreary autumn that follows, with October dipping to 241 hours. Notably, the gradual decline in sunshine hours from the vibrant spring and summer months exemplifies the rhythm of the seasons, allowing visitors to enjoy the city's charming canals and medieval architecture under the golden glow of early fall.

Monthly Sunshine Duration in Brugge: September Highlighted

The September sunshine duration represents the total number of hours Brugge experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec117h199h273h351h398h410h415h383h320h241h193h149h
Data source: Brugge September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Brugge During September

In Brugge, Belgium, September offers a moderate 36% chance of sunny weather, which is consistent with the summer months of July and August. Interestingly, while the likelihood of sunshine slightly dips compared to April's peak of 49%, it remains significantly higher than the winter months, making September an appealing time for outdoor activities. As the vibrant colors of early autumn begin to emerge, visitors can still enjoy pleasant days, even if the sun doesn’t shine as brightly. This seasonal transition hints at a refreshing blend of warm days and crisp evenings, perfect for exploring the picturesque streets and canals of this enchanting city.

Percentage of Sunny Days in September in Brugge

The chart illustrates the percentage of sunny days in Brugge throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Brugge experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%30%38%49%36%35%38%35%36%31%22%15%
Data source: Brugge September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Brugge in September

In Brugge, Belgium, September marks a delightful transition as daylight begins to wane after the vibrant summer months. With an average of 12 hours of daylight, it offers a harmonious blend of warm, golden afternoons and cooler evenings. As the longest days of June and July stretch to 16 hours, the gradual decline continues into August with 14 hours, setting the stage for September's moderate light. This month acts as a gentle reminder of the approaching autumn, contrasting sharply with the extended brightness of spring and summer, where April and May enjoy a peak of 13 and 15 hours, respectively. As daylight decreases through the fall, one can appreciate the rich colors of the changing leaves under the softening sunlight that September graciously provides.

Average Daylight Hours in Brugge for September

The chart illustrates the variation in daylight duration in Brugge throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 26m9h 59m11h 55m13h 53m15h 36m16h 29m16h 1m14h 28m12h 34m10h 37m8h 52m7h 56m
Data source: Brugge daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Brugge

As summer gently recedes, September in Brugge offers a subtle breeze that whispers of autumn's arrival, with an average wind speed of 3.8 m/s (8 mph). This marks the calmest winds of the year, a contrast to the more vigorous gusts of earlier months, such as January and October, which both see an average of 5.1 m/s (11 mph) and 5.3 m/s (12 mph) respectively. With the transition from the lively summer months, where winds peak in late spring and early fall, September invites visitors to experience the city's enchanting canals and cobblestone streets in a serene atmosphere. The gentle breezes provide a perfect backdrop for leisurely strolls, making it an ideal time to savor the tranquil beauty of Brugge before winter sets in.

Average September Wind Speed in Brugge

The chart displays monthly wind speed patterns in Brugge, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.15.34.94.74.83.54.14.53.8 m/s5.34.35.1
Data source: Brugge September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Brugge Compares to Other Months

Weather in Brugge varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Brugge, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present strikingly different weather profiles. In September, temperatures range from a mild 7°C (45°F) at night to a warm 30°C (86°F) during the day, with an average of 16°C (61°F). The month experiences about 56 mm (2.2 in) of precipitation over approximately 10 days, accompanied by a relatively high humidity of 82%. In contrast, January is considerably colder, with temperatures dipping as low as -5°C (24°F) and peaking at 14°C (58°F), averaging around 5°C (42°F). Although January receives slightly more rainfall at 65 mm (2.5 in) over 12 days, the humidity is even higher at 91%. To explore more about the weather conditions in January, you can visit Brugge weather in January.

September and February present stark contrasts in weather conditions. September typically enjoys a mild climate with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), averaging around 16°C (61°F). The humidity is relatively high at 82%, with about 56 mm (2.2 in) of precipitation over approximately 10 days. In contrast, February is characterized by much colder temperatures, with a minimum of -6°C (21°F) and a maximum of 17°C (64°F), averaging just 6°C (43°F). Despite having slightly more precipitation at 61 mm (2.4 in) over 13 days, February's humidity is even higher at 89%. For more detailed information, check out Brugge weather in February.

September and March present stark contrasts in weather, reflecting the transition between seasons. In September, temperatures range from a pleasant minimum of 7°C (45°F) to a warm maximum of 30°C (86°F), with an average of 16°C (61°F). The month experiences an average precipitation of 56 mm (2.2 in) over about 10 days, accompanied by relatively high humidity at 82%. In contrast, March marks the arrival of spring, with lower temperatures ranging from a chilly -6°C (21°F) to a milder 21°C (70°F), averaging just 7°C (46°F). This month sees slightly higher precipitation levels at 64 mm (2.5 in) across 14 days, along with increased humidity at 87%. For more detailed information on the weather in March, you can refer to Brugge weather in March.

When comparing the weather in September and April, September tends to be warmer and more varied in temperature. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), with an average of 16°C (61°F), while in April, temperatures are milder, with a minimum of 0°C (32°F) and a maximum of 25°C (77°F), averaging just 10°C (50°F). Additionally, September experiences more rainfall at 56 mm (2.2 in) over approximately 10 days, compared to April's 39 mm (1.5 in) over 8 days. Both months have high humidity levels, with September at 82% and April slightly higher at 85%. For more detailed information, you can check Brugge weather in April.

In comparing the weather of September and May, we see some notable differences. September tends to be warmer overall, with average temperatures reaching 16°C (61°F) and maximums of up to 30°C (86°F), while May has a lower average of 13°C (56°F) and peaks at 28°C (83°F). Both months experience similar levels of precipitation, with September seeing 56 mm (2.2 in) over about 10 days, compared to May's 54 mm (2.1 in) spread over 12 days. Humidity remains consistent at 82% in both months, contributing to a mild and sometimes humid climate. For more detailed insights, you can check Brugge weather in May.

When comparing the weather of September and June, both months exhibit a similar temperature range, with September having a minimum of 7°C (45°F) and an average of 16°C (61°F), while June sees a slightly warmer minimum of 7°C (46°F) and an average of 17°C (63°F). Maximum temperatures are also comparable, with September peaking at 30°C (86°F) and June reaching up to 31°C (89°F). Precipitation levels are close as well, with September recording 56 mm (2.2 in) over 10 days and June slightly higher at 61 mm (2.4 in) over 9 days. Humidity remains consistent in both months at 82%. For a more detailed look at June's weather, you can explore Brugge weather in June.

September and July exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 30°C (86°F), with an average of 16°C (61°F), while July has a warmer climate, where temperatures fluctuate between 10°C (50°F) and a peak of 38°C (100°F), averaging 18°C (66°F). Both months experience similar levels of precipitation, with September accumulating 56 mm over 10 days and July slightly higher at 60 mm over 11 days. Additionally, September has a higher humidity level of 82% compared to July's 80%. For a more detailed look at July's weather, check out Brugge weather in July.

In comparing the weather between September and August, September tends to be cooler with a minimum temperature of 7°C (45°F) and an average of 16°C (61°F), while August sees higher temperatures, starting from a minimum of 11°C (52°F) and averaging 19°C (66°F). The maximum temperatures in September reach up to 30°C (86°F), significantly lower than August's peak of 34°C (93°F). September also experiences a bit more precipitation, totaling 56 mm (2.2 in) across 10 days, compared to August's 74 mm (2.9 in) over 13 days. Despite September being slightly wetter, it has a higher humidity level of 82%, compared to August's 76%. For those interested in more specifics, check out Brugge weather in August.

September typically enjoys warmer temperatures, with minima around 7°C (45°F) and highs reaching up to 30°C (86°F), resulting in an average of 16°C (61°F). However, it also experiences significant humidity at 82% and moderate precipitation of 56 mm (2.2 in) over about 10 days. In contrast, October sees a noticeable shift, with temperatures dropping to a minimum of 3°C (38°F) and an average of 13°C (56°F). The month has more precipitation, totaling 89 mm (3.5 in) across approximately 15 days, and increased humidity at 89%. This change in conditions marks October as a more unsettled and cooler month. For more details, you can check Brugge weather in October.

In September, the weather typically features mild temperatures, with a minimum of 7°C (45°F) and an average of 16°C (61°F), peaking at a warm 30°C (86°F). This month sees around 56 mm (2.2 in) of precipitation over approximately 10 days, and humidity levels are relatively high at 82%. In contrast, November brings a significant drop in temperatures, with a minimum of 0°C (33°F) and an average of 9°C (48°F), reaching a maximum of 19°C (66°F). Rainfall increases slightly to 60 mm (2.4 in), with precipitation occurring on about 13 days, and humidity rises to 92%. For more detailed information, you can check the Brugge weather in November.

September and December present a stark contrast in weather patterns. In September, temperatures range from a mild 7°C (45°F) at night to a warm 30°C (86°F) during the day, with an average of 16°C (61°F). The month sees about 56 mm (2.2 in) of precipitation over roughly 10 days, and humidity remains relatively high at 82%. Conversely, December brings a chill, with temperatures dipping as low as -2°C (29°F) and only reaching a maximum of 14°C (57°F), averaging around 7°C (44°F). This colder month experiences increased rainfall, totaling 100 mm (3.9 in) across approximately 17 days, along with a higher humidity level of 92%. For a closer look at what to expect, check out Brugge weather in December.

Compare Brugge's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Brugge

As summer transitions to autumn, September in Brugge offers a delightful blend of warm days and cool nights, distinguishing it from the more intense heat of the preceding months. With an average temperature that hovers around a mild 16°C, it strikes a perfect balance for both outdoor activities and cozy evenings. However, the increase in precipitation, with about ten rainy days this month, adds a refreshing vibe to the lush landscape. The humidity level remains notably high at 82%, giving the air a soft, enveloping feel, making it essential to embrace both sunshine and showers. For a deeper dive into Brugge's seasonal variability, explore the detailed insights at Brugge Climate.