September Weather in Poperinge, Belgium

Last updated: August 21, 2025

Experience the enchanting weather of Poperinge, Belgium, in September, where temperatures can soar to a maximum of 31°C (88°F), while the average rests at a comfortable 16°C (61°F). Bask in the crisp mornings with a minimum temperature of 4°C (40°F), perfect for an invigorating start. Despite some occasional rain, with 49 mm (1.9 in) spread over 9 days, the air remains fresh and invigorating, boasting a humidity of 82%. Whether you’re wandering through charming streets or enjoying the local cuisine, September in Poperinge promises a delightful blend of warm days and cool evenings, making it an ideal time to explore this picturesque town.

September Temperature in Poperinge

In September, Poperinge, Belgium, experiences a delightful transition as summer begins to fade into autumn. With temperatures ranging from a mild 4°C (40°F) at night to a pleasant 31°C (88°F) during the day, the city offers a perfect balance for outdoor activities. The average temperature settles around 16°C (61°F), making it an ideal time for locals and visitors alike to enjoy the vibrant fall scenery. As the warmth of summer lingers, September showcases the beauty of late-season blooms and the first hints of autumn foliage, inviting everyone to relish in the refreshing air before the chill of October sets in.

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

The chart illustrates September temperature patterns in Poperinge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poperinge, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414346505663666560554643
Data source: Temperature data for Poperinge 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 Poperinge

In September, Poperinge experiences a moderate amount of precipitation, with 49 mm (1.9 in) falling over an average of 9 days. This marks a slight drop from the wetter summer months, particularly August, which received 70 mm (2.8 in) across 12 days. As the seasons transition, September showcases a balanced climate, reflecting the gradual shift toward autumn while maintaining a relatively consistent pattern of rainfall. This trend continues into October, when precipitation increases again, suggesting that Poperinge’s weather dynamic is characterized by distinct seasonal variations. Overall, September serves as a bridge, balancing the heavier rains of summer with the impending autumnal downpours.

September Precipitation Trends in Poperinge

The chart displays monthly precipitation patterns in Poperinge, 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 Poperinge, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec635762366260497049805694
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Poperinge

In September, Poperinge experiences a noticeable shift in humidity, stabilizing at around 82%. This slight increase from the preceding August—which enjoys a drier atmosphere at 76%—indicates the gradual transition towards the wetter conditions typical of autumn. As the season shifts, humidity levels remain consistent in September, reflecting a balance between lingering summer warmth and the impending coolness of fall. This trend continues into October, where humidity rises again to 89%, suggesting that the lush Belgian landscape begins to embrace the abundant moisture that characterizes the region during the later months of the year.

September Average Humidity in Poperinge

This chart illustrates the average monthly humidity levels in Poperinge, 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 Poperinge 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 Poperinge

As September rolls in Poperinge, Belgium, the UV Index settles at a moderate level of 5, offering a pleasant balance between sun exposure and safety. This marks a slight decline from the very high indices observed during the peak summer months of June and July, where the risk of sunburn loomed large. With a burn time of 30 minutes, it's important to remain mindful of sun protection, especially on sunny days. As the vibrant hues of autumn begin to appear, this month serves as a gentle reminder to enjoy the outdoors while still being cautious about UV exposure. For more detailed insights, check out the Poperinge UV Index.

Maximum UV Index Levels in Poperinge for September

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

As summer gracefully transitions to autumn in Poperinge, Belgium, September stands out with a magnificent 325 hours of sunshine. This month reflects a noteworthy decline from the sun-soaked peak of July, which boasts 421 hours, yet it remains robust compared to the gloomier winter months. Following the vibrant warmth of July and August, September offers a balanced blend of sunny days, hinting at the changing season while still inviting outdoor adventures. The sunshine tally, though lower than the summer highs, signals the lingering warmth that makes early autumn an enchanting time to explore the gardens and countryside of Poperinge, before chilly October brings shorter days and the soft glow of 249 hours.

Monthly Sunshine Duration in Poperinge: September Highlighted

The September sunshine duration represents the total number of hours Poperinge 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.
JanFebMarAprMayJunJulAugSepOctNovDec121h200h278h351h404h412h421h389h325h249h203h158h
Data source: Poperinge September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Poperinge During September

In September, Poperinge, Belgium, experiences a 37% chance of sunny weather, making it one of the more promising months for sunshine compared to the earlier summer months. Following a consistent decline from the peak of 52% sunshine in April, the likelihood remains relatively stable throughout the late summer and early autumn. While July and August offer slightly lower probabilities at 35% and 33%, respectively, September's chance surpasses these, indicating a subtle revival of clearer skies before the autumn chill sets in. This month stands out as a bridge between summer's warmth and the cooler fall, leaving residents hopeful for those golden sunny days.

Percentage of Sunny Days in September in Poperinge

The chart illustrates the percentage of sunny days in Poperinge 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 Poperinge experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%29%40%52%36%31%35%33%37%33%21%17%
Data source: Poperinge September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Poperinge in September

As September rolls around in Poperinge, Belgium, the transition from summer to autumn becomes evident not just in the changing colors of the leaves, but also in the daylight duration. With an average of 12 hours of daylight, September marks a noticeable dip from the sun-soaked 16 hours experienced in June. This gradual decline continues the trend established over the previous months, where daylight peaked in the summer before tapering off into autumn and winter. While September still enjoys a generous amount of light, it provides a gentle reminder of the shorter days ahead, shifting from the vibrant brightness of summer evenings to the more subdued light of fall. The cycle reflects nature's rhythm, inviting residents to soak up these remaining warm rays before the chill of winter sets in.

Average Daylight Hours in Poperinge for September

The chart illustrates the variation in daylight duration in Poperinge throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 30m10h 1m11h 55m13h 51m15h 32m16h 24m15h 56m14h 26m12h 34m10h 39m8h 55m8h 1m
Data source: Poperinge daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Poperinge

As September unfolds in Poperinge, Belgium, the gentle embrace of the autumn breeze begins to take shape, with an average wind speed of 3.0 m/s (7 mph) marking the transition from summer's warmth to fall's crispness. This decrease in wind speed from the summer months suggests a calming atmosphere, as July and August recorded slightly more vigor with average speeds of 3.4 m/s (7 mph) and 3.5 m/s (8 mph), respectively. With October promising a resurgence to 4.1 m/s (9 mph), it's clear that September serves as a pivotal moment in the yearly cycle, where the winds of change gently signal the approaching winter and the end of the growing season. The subtle shift invites residents and visitors alike to enjoy the serenity of the season, as nature prepares for its next chapter.

Average September Wind Speed in Poperinge

The chart displays monthly wind speed patterns in Poperinge, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.44.13.54.22.83.43.53.0 m/s4.13.34.1
Data source: Poperinge September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Poperinge Compares to Other Months

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

In September, temperatures in Poperinge range from a mild 4°C (40°F) at night to a warm 31°C (88°F) during the day, with an average of 16°C (61°F). The month sees a moderate level of precipitation, totaling 49 mm (1.9 in) over about 9 days and featuring relatively high humidity at 82%. In contrast, January brings much colder weather, with nighttime lows dropping to -6°C (22°F) and daytime highs capping at 15°C (59°F), averaging just 5°C (41°F). This month experiences slightly more precipitation at 63 mm (2.5 in) over approximately 11 days, accompanied by even higher humidity levels at 91%. For more detailed information, you can check Poperinge weather in January.

September and February exhibit significantly contrasting weather patterns. In September, temperatures typically range from a minimum of 4°C (40°F) to a maximum of 31°C (88°F), with an average of 16°C (61°F), while February is much cooler, with temperatures ranging from -6°C (21°F) to 18°C (65°F) and an average of just 6°C (43°F). Precipitation is slightly higher in February, at 57 mm (2.2 in) over 12 days compared to September's 49 mm (1.9 in) over 9 days. Additionally, February experiences higher humidity levels at 89%, compared to September's 82%. For a detailed look at weather specifics during this chilly month, visit Poperinge weather in February.

In comparing the weather between September and March, notable differences arise in temperature, precipitation, and humidity. September boasts a broader temperature range with minimums around 4°C (40°F) and maximums reaching up to 31°C (88°F), while March presents cooler conditions, starting at a minimum of -7°C (20°F) and peaking at 22°C (72°F). Precipitation levels are higher in March, with an average of 62 mm (2.4 in) across 13 days, compared to September's 49 mm (1.9 in) over 9 days. Additionally, March tends to be slightly more humid at 87% compared to September's 82%. For a more detailed look at March weather, you can check Poperinge weather in March.

In comparing the weather between September and April, we see notable differences in temperatures and conditions. September tends to be warmer, with average temperatures ranging from 16°C (61°F) to a maximum of 31°C (88°F), while April's temperatures are cooler, averaging around 10°C (50°F) with a high of 26°C (78°F). Precipitation is slightly higher in September at 49 mm (1.9 in) over 9 days, compared to April's 36 mm (1.4 in) over 8 days. Humidity levels are quite similar, with September at 82% and April at 85%. For more detailed insights on April weather in a specific location, you can check out Poperinge weather in April.

In comparing the weather between September and May, we see notable differences in temperature and precipitation patterns. September tends to be warmer, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 31°C (88°F), while May experiences slightly cooler temperatures, with a minimum of 1°C (35°F) and a maximum of 28°C (82°F). Although both months share a high humidity level of 82%, September has slightly lower precipitation, averaging 49 mm (1.9 in) over 9 rainy days compared to May's 62 mm (2.4 in) spread over 11 days. For more detailed insights, you can check out Poperinge weather in May.

In comparing the weather of September and June, both months exhibit relatively mild temperatures with average highs hovering around the mid-30s Celsius (mid-80s Fahrenheit). September sees a minimum temperature of 4°C (40°F) and averages around 16°C (61°F), while June has slightly higher figures with a minimum of 5°C (42°F) and an average of 17°C (64°F). Although June is generally a bit warmer, it also experiences slightly more precipitation, totaling 60 mm (2.4 in) over 8 days compared to September's 49 mm (1.9 in) over 9 days. Both months maintain a consistent humidity level of 82%, creating a similarly muggy atmosphere. For more detailed insights into June weather specifically, you can refer to Poperinge weather in June.

When comparing the weather in September and July, one can notice distinct differences in temperature and conditions. September experiences a wider temperature range, with minimums as low as 4°C (40°F) and maximums hitting 31°C (88°F). This is contrasted with July, where minimum temperatures are higher, starting at 9°C (48°F) and peaking at a scorching 38°C (101°F). Both months receive similar amounts of precipitation, around 49 mm (1.9 in), but September has slightly fewer rainy days, averaging 9 compared to July's 10. Humidity levels in September are a bit higher at 82%, compared to July’s 80%. For further details, you can check out Poperinge weather in July.

In comparing the weather between August and September, August tends to be warmer, with average temperatures reaching 19°C (66°F) and maximums peaking at 36°C (97°F). In contrast, September cools down significantly, with average temperatures dropping to 16°C (61°F) and a maximum of 31°C (88°F). Precipitation is also higher in August, totaling 70 mm (2.8 in) over 12 days, compared to September's 49 mm (1.9 in) over 9 days. Humidity is slightly higher in September at 82%, compared to August's 76%. For more details, check out the weather information for Poperinge weather in August.

September and October present a noticeable shift in weather conditions. September boasts warmer temperatures, with a minimum of 4°C (40°F) and an average high of 31°C (88°F), while October cools down, featuring a minimum of 2°C (35°F) and a maximum of 25°C (77°F). Additionally, October experiences increased precipitation, totaling 80 mm (3.2 in) over 13 days, compared to September’s 49 mm (1.9 in) across 9 days. Humidity also rises in October, reaching 89% compared to September's 82%. For more detailed information, you can visit Poperinge weather in October.

September and November present contrasting weather patterns. In September, temperatures range from a mild 4°C (40°F) at night to a warm 31°C (88°F) during the day, with an average of 16°C (61°F). The month experiences 49 mm (1.9 in) of precipitation over about 9 days, coupled with a humidity level of 82%. In stark contrast, November sees much cooler temperatures, with nighttime lows dipping to -1°C (31°F) and daytime highs reaching only 19°C (66°F), resulting in an average of 8°C (47°F). Precipitation slightly increases to 56 mm (2.2 in) across 10 days, and humidity rises to 92%. For a more detailed look at November weather, visit Poperinge weather in November.

September and December exhibit quite contrasting weather patterns. In September, temperatures range from a minimum of 4°C (40°F) to a comfortable maximum of 31°C (88°F), with an average of 16°C (61°F). The month experiences moderate rainfall, totaling 49 mm (1.9 in) over about 9 days, accompanied by a humidity level of 82%. On the other hand, December brings colder temperatures, with a minimum of -3°C (26°F) and a maximum of 15°C (58°F), resulting in a much lower average of 6°C (43°F). Furthermore, the precipitation increases significantly to 94 mm (3.7 in) over 17 days, and humidity rises to 92%. For more detailed information, visit Poperinge weather in December.

Compare Poperinge's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Poperinge

As September unfolds in Poperinge, the weather showcases a delightful transition from the heat of summer to the mild embrace of autumn. With maximum temperatures reaching a warm 31°C, days are still pleasantly enjoyable, yet as the month progresses, cooler nights dip to a refreshing 4°C. While it experiences an average of 16°C, the humidity remains high at 82%, adding a hint of dampness to the air. Rain makes its presence felt too, with about 49 mm falling over nine days, making this month distinctively wetter compared to the preceding summer. This seasonal shift calls for layering in your wardrobe, as the warm days and cool nights dance in a charming contrast that is uniquely September. For more insights on the climate trends in this beautiful region, explore Poperinge Climate.