September Weather in Ieper, Belgium

Last updated: August 21, 2025

September in Ieper, Belgium brings a delightful transition from summer to autumn, with temperatures ranging from a maximum of 32°C (89°F) to a refreshing minimum of 4°C (40°F). The average temperature hovers around a comfortable 16°C (61°F), making it an ideal time for outdoor exploration. However, be prepared for occasional rain, as the month sees an average precipitation of 51 mm (2.0 in) spread across 9 days. With humidity levels at a cozy 82%, September's weather in Ieper is both refreshing and beautifully balanced, offering a perfect backdrop for scenic strolls and local festivities.

September Temperature in Ieper

September in Ieper, Belgium, marks a delightful transition from the sultry summer months to the invigorating chill of autumn. With minimum temperatures around 4°C (40°F) and an average of 16°C (61°F), this month offers a mild reprieve from the heat, peaking at a comfortable 32°C (89°F). As the days gradually shorten, the mix of warm afternoons and cooler evenings creates a perfect atmosphere for outdoor activities. This trend of decreasing temperatures is a gentle reminder of the approaching fall, making September a charming yet fleeting moment in Ieper’s climatic calendar.

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

The chart illustrates September temperature patterns in Ieper, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ieper, 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).
JanFebMarAprMayJunJulAugSepOctNovDec404346505664666660554643
Data source: Temperature data for Ieper 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 Ieper

September in Ieper, Belgium, typically ushers in a shift in weather patterns, with an average precipitation of 51 mm (2.0 in) over 9 rainy days. This marks a reduction in rainfall compared to both the preceding month and the upcoming October, where precipitation increases significantly to 82 mm (3.2 in). Notably, the early autumn rains serve as a gentle transition from the summer's wetter spell—reflected in August's 71 mm (2.8 in)—to the more pronounced downpours of late autumn. Overall, September's moderate precipitation provides a refreshing backdrop for the changing leaves, evoking a cozy atmosphere as the year gradually turns.

September Precipitation Trends in Ieper

The chart displays monthly precipitation patterns in Ieper, 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 Ieper, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec655964366160507151825695
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Ieper

In Ieper, Belgium, September experiences a moderate humidity level of 82%, marking a slight rise from the drier summer months of July and August, which saw 80% and 76% respectively. As autumn approaches, this increase hints at the transition into a wetter season, setting the stage for the higher humidity levels typical of October and November—both hovering around 89% and 92%. Overall, the trend reflects a gradual humidity increase as the year progresses, with September serving as a pivotal turning point between the warmth of summer and the chill of impending winter.

September Average Humidity in Ieper

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

In September, Ieper experiences a moderate UV Index of 5, signaling a shift from the intense summer months. After the peak of July and August, where the UV Index climbed to 8, the risk of overexposure decreases, but precautions remain essential. With a burn time of 30 minutes, it's wise to enjoy the outdoors while being mindful of sun safety. As the year progresses, Ieper typically sees a gradual decline in UV levels, making September a comfortable time to bask in the early autumn sun. For more detailed insights into UV levels throughout the year, visit Ieper UV Index.

Maximum UV Index Levels in Ieper for September

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

September in Ieper, Belgium, sees a delightful transition as the summer sun lingers before autumn takes hold. With 325 hours of sunshine, September stands out as a month where the warmth of summer gently fades, creating a perfect balance between the vibrancy of longer days and the crispness of the approaching fall. This figure, though slightly lower than the sun-drenched peak of July, reflects a remarkable year-round trend that showcases a consistent increase in sunlight hours from January through to July, peaking at 421 hours. As the days shorten gradually, September still offers a generous taste of late-summer warmth, inviting both locals and travelers to revel in the golden hues of the season. While the sun starts to retreat, it leaves behind a brilliant tapestry of warm days and cool nights, making it a wonderful time to enjoy Ieper's charm.

Monthly Sunshine Duration in Ieper: September Highlighted

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

Chance of Sun in Ieper During September

In Ieper, Belgium, the likelihood of sunny weather in September stands at a moderate 37%, reflecting a slight uptick from the summer months. As the year progresses, a consistent trend emerges: March through April showcases the highest chances for sunshine, peaking at 52% in April. Following this bright spot, the chances of sun gradually decline during late spring and summer, reaching their lowest in January at a mere 14%. Both August and September witness a mild resurgence, hinting that autumn brings with it a few more sunny days compared to the mid-summer slump. This transitional month, while not the sunniest, offers a promising window for those seeking pleasant weather before the onset of chillier autumnal breezes.

Percentage of Sunny Days in September in Ieper

The chart illustrates the percentage of sunny days in Ieper 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 Ieper experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%29%40%52%36%31%35%33%37%34%22%16%
Data source: Ieper September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ieper in September

In Ieper, Belgium, September marks a transitional phase as the vibrant summer days gradually yield to autumn's embrace. With an average of 12 hours of daylight, the month still enjoys considerable sunlight, although it's noticeably less than the sun-drenched June and July, which bask in a peak of 16 and 15 hours respectively. As the year progresses from the brightness of spring and summer—where April and May showcased an exhilarating 13 and 15 hours—September signals the beginning of shorter days, leading into the cozy confines of fall. The daylight steadily declines, drawing us closer to October, which offers just 10 hours. This ebb and flow of light not only highlights the changing seasons but also invites a reflective pause as we prepare for the crisper months ahead.

Average Daylight Hours in Ieper for September

The chart illustrates the variation in daylight duration in Ieper 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: Ieper daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ieper

As September rolls in Ieper, Belgium, the winds begin to calm slightly, with an average speed of 2.9 m/s (7 mph), marking a trend of decreasing breeziness compared to the summer months. This gentle shift accompanies the transition from warm days to cooler autumn vibes, contrasting with the higher summer averages, which peaked at 4.4 m/s (10 mph) in February. While the winds may whisper a little softer than earlier in the year, they still carry a refreshing quality, inviting residents and visitors alike to enjoy the changing foliage and bustling outdoor cafés, framed by the vibrant backdrop of the historic town. As October approaches, wind speeds are anticipated to rise again to 4.1 m/s (9 mph), suggesting a dynamic atmospheric dance that adds to Ieper's charm as it gracefully shifts into the fall season.

Average September Wind Speed in Ieper

The chart displays monthly wind speed patterns in Ieper, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.44.03.54.12.83.33.42.9 m/s4.13.24.0
Data source: Ieper September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ieper Compares to Other Months

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

September and January showcase distinctly different weather patterns. In September, temperatures range from a mild 16°C (61°F) on average, with maximums reaching up to 32°C (89°F), making it considerably warmer than January, which sees average temperatures around 5°C (41°F) and can drop as low as -6°C (22°F). Precipitation is also noteworthy; September experiences 51 mm (2.0 in) over about 9 days, while January has slightly more rain, totaling 65 mm (2.6 in) across 11 days. Additionally, humidity levels are higher in January at 91%, compared to September's 82%. For a more detailed look at January weather, you can visit Ieper weather in January.

September and February present contrasting weather patterns. In September, temperatures fluctuate between a minimum of 4°C (40°F) and a maximum of 32°C (89°F), with an average of 16°C (61°F), making it generally warmer and more suitable for outdoor activities. This month sees about 51 mm (2.0 in) of rainfall spread over 9 days, while humidity sits at 82%. In contrast, February experiences much colder temperatures, ranging from a minimum of -8°C (18°F) to a maximum of 19°C (66°F), with an average of only 6°C (43°F). This month is slightly wetter, receiving 59 mm (2.3 in) of precipitation over 12 days, with humidity rising to 89%. To explore more about February's climate, you can visit Ieper weather in February.

In September, the weather tends to be much warmer than in March, with minimum temperatures reaching 4°C (40°F) and an average of 16°C (61°F), peaking at a hot 32°C (89°F). In contrast, March experiences colder temperatures, ranging from a minimum of -7°C (20°F) to an average of 8°C (46°F), with maximums only reaching 22°C (72°F). Both months see considerable precipitation, but March has slightly more rain at 64 mm (2.5 in) over 14 days compared to September's 51 mm (2.0 in) over 9 days. Humidity levels are quite high in both months, with September at 82% and March slightly higher at 87%. For more detailed information, you can check out Ieper weather in March.

September and April each offer distinct weather conditions, reflecting the transition between seasons. In September, temperatures range from a mild 16°C (61°F) on average, with highs reaching up to 32°C (89°F) and lows around 4°C (40°F). The month experiences an average precipitation of 51 mm (2.0 in) over approximately 9 days, with humidity levels sitting around 82%. Conversely, April generally presents cooler weather, with an average temperature of 10°C (51°F), lows dipping to -2°C (28°F) and highs around 26°C (78°F). With a total precipitation of 36 mm (1.4 in) spread across 7 days and slightly higher humidity at 85%, April feels distinctly fresher. For more detailed insights on April weather, visit Ieper weather in April.

September and May present interesting contrasts in weather, despite having similar humidity levels of 82%. September boasts a wider temperature range, with minimums reaching 4°C (40°F) and maximums climbing up to 32°C (89°F), reflecting the transition from summer to autumn. In contrast, May's temperatures are generally cooler, ranging from a minimum of 1°C (34°F) to a maximum of 28°C (83°F), as it transitions from spring into early summer. Additionally, May experiences slightly more rainfall, averaging 61 mm (2.4 inches) over 11 days, compared to September's 51 mm (2.0 inches) over 9 days. For more detailed insights on May weather conditions, you can check Ieper weather in May.

In September, temperatures range from a minimum of 4°C (40°F) to a maximum of 32°C (89°F), with an average of 16°C (61°F), while June sees slightly warmer temperatures, with a minimum of 5°C (41°F) and a maximum of 33°C (91°F), averaging 18°C (64°F). Both months experience high humidity at 82%, but September tends to have slightly less precipitation at 51 mm (2.0 in) over 9 days compared to June's 60 mm (2.4 in) across 8 days. For more detailed insights into June weather, you can visit Ieper weather in June.

When comparing the weather in September to July, notable differences emerge. September experiences a wider temperature range, with minimums dropping to 4°C (40°F) and maximums reaching up to 32°C (89°F), whereas July maintains milder minimums at 8°C (46°F) and can peak at a sweltering 39°C (103°F). The average temperature in September is 16°C (61°F), slightly cooler than July's average of 19°C (66°F). Rainfall is quite comparable, with September seeing 51 mm (2.0 in) over 9 days and July at 50 mm (2.0 in) over 10 days. Humidity levels are also similar, with September slightly higher at 82% compared to July's 80%. For more detailed insights, you can check Ieper weather in July.

September weather shows a notable shift from August, with a cooler average temperature of 16°C (61°F) compared to August's warmer 19°C (66°F). The maximum temperatures in September reach up to 32°C (89°F), slightly lower than August's peak of 36°C (98°F). Additionally, September experiences more days of precipitation, totaling 9 days with 51 mm (2.0 in) of rain, while August sees slightly heavier precipitation over 12 days at 71 mm (2.8 in). Humidity levels are also higher in September at 82%, compared to August's 76%. For more details, check out the Ieper weather in August.

September generally features warmer temperatures, with a minimum of 4°C (40°F) and an average of 16°C (61°F), allowing for maximum highs reaching up to 32°C (89°F). In contrast, October experiences cooler conditions, with temperatures dropping to a minimum of 2°C (35°F) and an average of 13°C (55°F), peaking at 25°C (77°F). Additionally, October tends to be wetter, with 82 mm (3.2 in) of precipitation over 13 days compared to September's 51 mm (2.0 in) over 9 days. The humidity levels also rise slightly in October to 89%, compared to 82% in September, contributing to a more brisk and damp atmosphere. For more detailed insights, check Ieper weather in October.

September's weather is characterized by warmer temperatures, with daily averages reaching a comfortable 16°C (61°F) and maximums peaking at 32°C (89°F), making it feel much milder. In contrast, November sees a significant drop in temperatures, averaging just 8°C (47°F), with minimums plummeting to -1°C (30°F). While both months experience a fair amount of precipitation—51 mm (2.0 in) in September and slightly more at 56 mm (2.2 in) in November—the latter also has a greater number of rainy days, totaling 12 compared to September’s 9 days. Additionally, November's humidity is notably higher at 92%, compared to 82% in September, adding to the chill in the air. For a closer look at November weather specifics, you can check Ieper weather in November.

In September, the weather is generally warmer, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 32°C (89°F) and an average of 16°C (61°F). The month sees around 51 mm (2.0 in) of precipitation over about 9 days, with humidity levels at 82%. In contrast, December brings much cooler temperatures, with a minimum of -4°C (26°F), an average of 6°C (43°F), and a maximum of 15°C (59°F). This month experiences higher precipitation of 95 mm (3.8 in) spread across approximately 17 days, coupled with an increase in humidity to 92%. For more detailed insights, you can refer to Ieper weather in December.

Compare Ieper's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ieper

As September rolls in, Ieper experiences a delightful transition, characterized by a noticeable shift in weather compared to the sweltering summer months. This time of year sees a comfortable average temperature that hovers around a mild 16°C, providing a welcome respite from the summer heat. While maximum temperatures can still reach an inviting 32°C, the cooler nights with temperatures dipping to around 4°C remind us that autumn is just around the corner. Though September can be a bit rainy with nine precipitation days contributing to a total of 51 mm, the humidity level of 82% gives the air a fresh quality, making it an ideal time to explore the charming scenery. For a more detailed understanding of Ieper's climate patterns, visit Ieper Climate.