September Weather in De Panne, Belgium

Last updated: August 21, 2025

Experience the captivating September weather in De Panne, Belgium, where the month embraces a delightful contrast of temperatures. With a maximum soaring to 31°C (88°F), the warmth invites outdoor adventures, while the average settles at a comfortable 16°C (61°F), and the minimum dips to a refreshing 5°C (42°F) for the cooler nights. This month brings about 49 mm (1.9 in) of precipitation over 8 days, contributing to the lush landscapes that characterize the region. The humidity hovers around 80%, adding a subtle freshness to the air, making September a beautiful time to explore the charm of De Panne.

September Temperature in De Panne

In De Panne, Belgium, September marks a transition into the cooler months, with temperatures reflecting a blend of summer's warmth and autumn's chill. The month begins with a mild minimum of 5°C (42°F), gradually warming to a pleasant average of 16°C (61°F), and peaking at a comfortable 31°C (88°F). This notable maximum hints at the residual warmth of late summer, making September an ideal time for outdoor activities. As the month progresses, the days become shorter and cooler, signaling the shift away from the hot summer days of July and August, which reached peaks of 38°C (101°F) and 36°C (97°F) respectively. September's climate invites a refreshing blend of sunny days and crisp evenings, perfect for enjoying the beautiful landscapes of this coastal gem.

September Weather in De Panne: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in De Panne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In De Panne, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414346505663666661554744
Data source: Temperature data for De Panne generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in De Panne

In September, De Panne experiences a relatively mild transition towards autumn, marked by 49 mm (1.9 in) of precipitation spread over 8 days. This amount is notably lower than the 72 mm (2.8 in) seen in August, indicating a shift towards drier weather as the summer months fade. The decrease in overall rainfall is accompanied by fewer rainy days, which hints at a stability returning to the weather patterns after the summer's heavier showers. As the month progresses, residents and visitors alike can enjoy more frequent clear spells, with September serving as a gentle prelude to the wetter conditions that come in October.

September Precipitation Trends in De Panne

The chart displays monthly precipitation patterns in De Panne, 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 De Panne, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec595557356268527249795490
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in De Panne

In De Panne, Belgium, September marks a transition in humidity levels, settling at a moderate 80% after the warmer summer months. This slight uptick from August's 73% indicates the onset of autumn, as the air begins to cool and moisture levels rise again. Observing the trend throughout the year, we see a steady decline from January's peak humidity of 91%, gradually decreasing to its lowest point in July at 76%. However, as the seasons shift, particularly in September, humidity begins to climb again, foreshadowing the return of the wetter conditions typical of fall and winter. By October, humidity jumps back up to 89%, reaffirming the cyclical nature of De Panne's climate.

September Average Humidity in De Panne

This chart illustrates the average monthly humidity levels in De Panne, 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 De Panne is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in De Panne

As summer fades, September in De Panne, Belgium, ushers in a more moderate UV Index of 5, signifying a moderate exposure category that calls for careful sun protection. With a burn time of 30 minutes, it's essential to stay mindful of the sun, especially when spending extended periods outdoors. This drop from the high levels of summer—where July and June boasted an UV Index of 8, categorizing the exposure as very high—indicates a trend towards more manageable conditions, perfect for enjoying the mild early autumn sunshine. For detailed insights on UV safety across the year, check out the De Panne UV Index.

Maximum UV Index Levels in De Panne for September

The chart shows the monthly maximum UV Index (UVI) for De Panne 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 De Panne typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: De Panne 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 De Panne

As summer gracefully transitions into autumn, September in De Panne, Belgium continues to bask in a splendid amount of sunshine, boasting 328 hours of bright daylight. While this marks a slight decrease from the sun-soaked July and August, which recorded 426 and 397 hours respectively, September still enjoys a significant increase compared to the winter months, where sunshine dwindles to just 125 hours in January. This gradual shift underscores a clear trend: the longer days of summer give way to a pleasantly mild early autumn, allowing residents and visitors to savor the last golden rays before the chill of October sets in, where sunshine drops to 250 hours. Overall, September serves as a beautiful bridge between the sun-drenched energy of summer and the cozy embrace of fall.

Monthly Sunshine Duration in De Panne: September Highlighted

The September sunshine duration represents the total number of hours De Panne 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.
JanFebMarAprMayJunJulAugSepOctNovDec125h199h287h357h414h419h426h397h328h250h208h161h
Data source: De Panne September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in De Panne During September

As summer gives way to autumn in De Panne, Belgium, September retains a moderate chance of sunshine with about 37% likelihood. This percentage mirrors the earlier summer months of July and August, suggesting that while the days may grow shorter, the weather still holds onto a bit of the sun-kissed warmth typical of summer. Following the peak sunny month of April at 51%, September reflects the gradual transition towards cooler, cloudier months ahead, ultimately leading to a notable drop in sunny days by October, which sees a lower 31% chance. Thus, for those planning a September getaway, there's a solid opportunity to enjoy sunlit moments before fall takes full hold.

Percentage of Sunny Days in September in De Panne

The chart illustrates the percentage of sunny days in De Panne 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 De Panne experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%30%39%51%37%32%37%34%37%31%21%17%
Data source: De Panne September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in De Panne in September

As September arrives in De Panne, Belgium, the daylight duration begins a gentle decline, offering around 12 hours of natural light. This month marks a transition from the vibrant, sun-soaked days of summer to the cooler embrace of autumn. After basking in 16 hours of daylight in June, a steady decrease follows, with daylight dropping to 15 hours in July and 14 hours in August. September serves as a calm midpoint, as the days gradually shorten towards the 10 hours of light typical in October. This gradual shift not only highlights the changing seasons but also invites residents and visitors alike to savor the last hints of summer warmth before the longer nights of fall set in.

Average Daylight Hours in De Panne for September

The chart illustrates the variation in daylight duration in De Panne throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 28m10h 1m11h 55m13h 52m15h 33m16h 26m15h 58m14h 27m12h 34m10h 38m8h 54m7h 59m
Data source: De Panne daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in De Panne

As summer gives way to autumn in De Panne, Belgium, the September winds reflect a gentle shift in the seasonal breeze. With an average wind speed of 3.3 m/s (7 mph), September showcases the calm before the storm of autumn, marking a notable drop from the summer's higher averages. This decline follows a pattern observed since June, where winds started to taper off, reaching their lowest point in September before rising again in October to 4.5 m/s (10 mph). The transition is subtle but evocative, inviting locals and visitors alike to enjoy the crisp, tranquil days of early fall along the Flemish coast.

Average September Wind Speed in De Panne

The chart displays monthly wind speed patterns in De Panne, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.64.54.04.43.13.84.13.3 m/s4.53.84.5
Data source: De Panne September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in De Panne Compares to Other Months

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

September and January showcase a striking contrast in weather conditions. In September, temperatures can range from a mild 5°C (42°F) at night to a warm 31°C (88°F) during the day, with an average of 16°C (61°F). Despite having a moderate amount of precipitation at 49 mm (1.9 in) over about eight days, the humidity remains relatively high at 80%.

Conversely, January experiences much colder temperatures, with minimums dropping to -6°C (22°F) and daytime highs only reaching 15°C (59°F), averaging just 5°C (42°F). The precipitation increases slightly to 59 mm (2.3 in) over 11 days, and the humidity climbs even higher to 91%. For a detailed look at January conditions, check out De Panne weather in January.

The weather in September offers a pleasant transition into autumn, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 31°C (88°F) and an average of 16°C (61°F). In contrast, February introduces much colder conditions, with temperatures dipping as low as -6°C (22°F) and averaging around 6°C (43°F), peaking at 18°C (64°F). Additionally, September experiences less precipitation than February, with 49 mm (1.9 in) over 8 days compared to February’s 55 mm (2.2 in) spread over 11 days, alongside a higher humidity level in February at 89% compared to 80% in September. For more details about the weather in February, you can check De Panne weather in February.

September and March exhibit distinct weather profiles. In September, temperatures typically range from a mild 5°C (42°F) at night to a warm 31°C (88°F) during the day, with an average of 16°C (61°F). The month enjoys relatively less precipitation, averaging 49 mm (1.9 in) over about 8 rainy days and a humidity level of 80%. On the other hand, March experiences a broader temperature range, dipping as low as -6°C (21°F) at night and peaking at 22°C (72°F) during the day, with an average of 8°C (46°F). March is slightly wetter, with 57 mm (2.2 in) of rain spread over 13 days and a higher humidity of 86%. For those looking to delve deeper into March weather specifics, De Panne weather in March offers detailed insights.

September and April present distinct weather patterns that reflect the transition between summer and autumn versus spring. In September, temperatures can range from a comfortable minimum of 5°C (42°F) to a warm maximum of 31°C (88°F), with an average of 16°C (61°F). This month also sees an elevated humidity level of 80% and experiences around 49 mm (1.9 in) of precipitation over approximately 8 days.

Conversely, April is characterized by cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 26°C (79°F), averaging at 10°C (50°F). Despite having slightly less precipitation—35 mm (1.4 in) over the same number of rainy days—April has a higher humidity level of 85%. For a detailed overview, you can view more about De Panne weather in April.

September and May present contrasting weather patterns. September typically showcases a broader temperature range, with minimums reaching 5°C (42°F) and maximums soaring up to 31°C (88°F), featuring an average of 16°C (61°F). In comparison, May offers cooler temperatures, with minimums around 2°C (37°F) and maximums of 28°C (82°F), averaging 13°C (56°F). While both months experience considerable humidity—80% in September compared to 82% in May—May tends to see slightly more precipitation, averaging 62 mm (2.4 in) over 11 days, in contrast to September's 49 mm (1.9 in) over 8 days. For more insights on May weather, visit De Panne weather in May.

In comparing the weather of September and June, we notice some interesting contrasts. September typically features a broader temperature range, with minimums dipping to 5°C (42°F) and maximums reaching up to 31°C (88°F), resulting in an average temperature of 16°C (61°F). In contrast, June has slightly warmer temperatures, with minimums at 8°C (46°F) and maximums peaking at 33°C (91°F), leading to an average of 17°C (63°F). Additionally, September experiences less precipitation, totaling 49 mm (1.9 in) over 8 days, compared to June's 68 mm (2.7 in) across 9 days. Humidity levels are quite similar in both months, hovering around 80% in September and 81% in June. For a closer look at June's weather patterns, you can check De Panne weather in June.

In comparing the weather between September and July, we notice distinct differences in temperature and humidity levels. July typically enjoys warmer conditions with a minimum of 10°C (50°F) and a maximum of 38°C (101°F), contributing to an average temperature of 19°C (66°F). In contrast, September's temperatures are milder, ranging from a minimum of 5°C (42°F) to a maximum of 31°C (88°F), with an average of 16°C (61°F). Additionally, while both months see similar levels of precipitation, September experiences slightly less rain at 49 mm (1.9 in) over 8 days, compared to July’s 52 mm (2.0 in) over 10 days. Humidity levels are also noteworthy, with September being slightly more humid at 80%, compared to July's 76%. For a detailed look at July's weather, you can check De Panne weather in July.

September weather in De Panne is characterized by cooler temperatures compared to August, with minimums dropping from 10°C (50°F) in August to 5°C (42°F) in September. The average temperature also sees a decline from 19°C (66°F) in August to 16°C (61°F) in September, though maximum temperatures can still reach as high as 31°C (88°F). Additionally, September experiences slightly less precipitation, with 49 mm (1.9 in) over 8 days compared to August's 72 mm (2.8 in) over 12 days. Humidity is higher in September at 80%, while it is relatively lower in August at 73%. For more detailed insights, you can check out De Panne weather in August.

September and October exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 31°C (88°F), with an average of 16°C (61°F). The month experiences relatively lower precipitation at 49 mm (1.9 in) over 8 days, along with a humidity level of 80%. In contrast, October sees cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 25°C (77°F), averaging 13°C (56°F). The rainfall increases significantly to 79 mm (3.1 in) spread across 13 days, and humidity rises to 89%. For a more detailed overview of October conditions, you can check De Panne weather in October.

September and November exhibit distinct differences in weather patterns. September typically boasts warmer temperatures with a minimum of 5°C (42°F), an average of 16°C (61°F), and a maximum of 31°C (88°F), while November's temperatures drop significantly, featuring a minimum of 0°C (32°F), an average of 9°C (48°F), and a maximum of 19°C (66°F). Precipitation is slightly higher in November, with 54 mm (2.1 in) over 11 days compared to September's 49 mm (1.9 in) over 8 days. Additionally, humidity levels rise in November to 92%, compared to 80% in September, creating a noticeably cooler and more damp atmosphere. For more detailed information, you can visit De Panne weather in November.

In September, the weather is generally mild, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 31°C (88°F), averaging around 16°C (61°F). This month experiences about 49 mm (1.9 in) of precipitation, spread over approximately 8 days, and the humidity hovers around 80%. In contrast, December brings much colder temperatures, with a minimum of -3°C (28°F) and a maximum of 14°C (58°F), averaging only 7°C (44°F). Precipitation increases to 90 mm (3.6 in) over 17 rainy days, accompanied by higher humidity levels of 92%. For a detailed look at December weather, you can visit De Panne weather in December.

Compare De Panne's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in De Panne

As summer fades into autumn, September in De Panne presents a delightful mix of warm days and cooler evenings. With a maximum temperature reaching up to 31°C (88°F), this month often feels like a gracious farewell to summer, yet it also brings a refreshing change with average temperatures settling at a comfortable 16°C (61°F). Unlike the drier months preceding it, September experiences about eight days of rainfall, contributing to a humidity level of 80%. This unique blend of warmth and moisture sets September apart from the earlier months of summer, making it a remarkable time to enjoy the coastal charm of De Panne. For a deeper understanding of what to expect throughout the year, check out De Panne Climate.