September Weather in Messines, Belgium

Last updated: August 21, 2025

In September, Messines, Belgium experiences a delightful blend of weather conditions, with maximum temperatures reaching up to 32°C (89°F). The average temperature settles at a comfortable 16°C (61°F), while the minimum dips to a cool 4°C (40°F), offering a pleasant range for outdoor activities. This month sees 51 mm (2.0 in) of precipitation over approximately 9 days, contributing to the region's lush greenery. With humility levels hovering around 82%, the air remains refreshingly crisp, making September a unique time to engage with the natural beauty of Messines.

September Temperature in Messines

In September, Messines, Belgium, begins to transition from summer's warmth to the cooler embrace of autumn. With minimum temperatures settling at around 4°C (40°F) and averaging 16°C (61°F), this month offers a comfortable backdrop for outdoor activities. The highs can reach a delightful 32°C (89°F), showcasing the last remnants of summer heat. As days gradually shorten, the overall trend reflects a notable drop from the sweltering temperatures experienced in July and August, providing a refreshing change while still holding onto those sunny days. This balance makes September an ideal time to explore the serene landscapes and historical charm of the region.

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

The chart illustrates September temperature patterns in Messines, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Messines, 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 Messines 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 Messines

In September, Messines experiences a transition into autumn, marked by 51 mm (2.0 in) of precipitation over 9 days. While this amount reflects a decline from the wetter summer months, particularly August's 71 mm (2.8 in), it remains consistent with the overall trend of moderate rainfall during the early fall. The frequency of rainy days is relatively low, suggesting that while the skies may open up sporadically, there’s still ample opportunity for enjoying the changing foliage. As September sets the stage for the wetter months ahead, residents and visitors alike can appreciate the gentle rhythms of nature as it shifts into a new season.

September Precipitation Trends in Messines

The chart displays monthly precipitation patterns in Messines, 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 Messines, 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.
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September Humidity in Messines

In Messines, Belgium, the humidity levels exhibit a distinctive seasonal rhythm. As the summer months fade, September sees a slight increase in humidity to 82%, a notable rise after the drier August peak of 76%. This trend reflects the transition into autumn when moisture levels begin to build again, paving the way for the wetter months ahead. Following September, humidity ascends significantly, reaching 89% in October and peaking at 92% during the winter months. Overall, while September marks a brief return to higher humidity, it serves as a precursor to the more consistently damp conditions that Belgium is known for as the year winds down.

September Average Humidity in Messines

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

As September rolls in, Messines, Belgium, witnesses a moderate UV Index of 5, mirroring the earlier months of spring. After a summer of high to very high exposure, with July and June peaking at an 8, the intensity of sunlight begins to taper off, offering a bit of relief while still requiring caution. Burn time extends to 30 minutes, allowing for longer outdoor activities without immediate risk of sunburn, but it’s advisable to wear sunscreen during midday hours. This transition reminds us that while the days may still be warm, the waning summer sun requires attention to UV exposure. For more details on sun safety and trends throughout the year, check out the Messines UV Index.

Maximum UV Index Levels in Messines for September

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

In September, Messines, Belgium, enjoys a delightful 325 hours of sunshine, marking a notable shift as summer gradually gives way to autumn. Following the peak sunlit days of July and June, which boast over 420 hours, September offers a refreshing blend of warmth and mildness, making it an ideal time for outdoor activities. While the month sees a decline in sunshine compared to the vibrant summer months, it still holds its ground against the impending clouds of October, which dips down to 249 hours. This transitional period showcases the charm of early fall, where the tail end of summer lingers, inviting visitors to experience the beauty of Messines bathed in golden light.

Monthly Sunshine Duration in Messines: September Highlighted

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

Chance of Sun in Messines During September

In Messines, Belgium, September brings a moderate chance of sunny weather, with the likelihood hovering around 37%. This marks a slight increase from the summer months, suggesting that while the sunny days are winding down, there's still a decent opportunity to enjoy some pleasant weather. Compared to other months, September offers a refreshing shift—it's notably brighter than the overcast tendencies of October and the transition into fall, yet remains dimmer than the peak sunshine in April. Overall, September serves as a gentle reminder that the sun can still grace the skies, hinting at the lingering warmth of summer before autumn takes hold.

Percentage of Sunny Days in September in Messines

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

Daylight Hours in Messines in September

As September rolls into Messines, Belgium, the daylight duration starts to wane, offering about 12 hours of light each day. This marks a gradual transition from the vibrant summer months, where June boasts an impressive 16 hours. Following the peak of summer, daylight diminishes gently through August and into September, setting the stage for the autumn months ahead. While the daylight hours decrease, the remaining light still invites residents to enjoy the picturesque landscapes as nature begins to don its fall attire. Moving into October, the drop in daylight continues, highlighting the stark contrast to the long, sun-filled days of the summer, capturing the essence of seasonal change in this charming locale.

Average Daylight Hours in Messines for September

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

September Winds in Messines

In September, the winds in Messines, Belgium start to cool down, with an average speed of only 2.9 m/s (7 mph). This marks the beginning of a downward trend in wind speed as the year progresses into the crispness of autumn. Following the summer months, which enjoyed slightly breezier conditions, the gentle September breeze invites a serene transition into fall, contrasting with the more robust gusts of earlier months. As we move toward October, we anticipate a rise back up to 4.1 m/s (9 mph), suggesting that while September might be calm, it paves the way for the dynamic winds that define the shifting seasons.

Average September Wind Speed in Messines

The chart displays monthly wind speed patterns in Messines, 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: Messines September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Messines Compares to Other Months

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

In September, the weather offers a warm variance with temperatures ranging from a brisk minimum of 4°C (40°F) to a comfortable average of 16°C (61°F), hitting a maximum of 32°C (89°F) on warmer days. The month experiences moderate precipitation with 51 mm (2.0 in) over nine days and a humidity level of 82%. In contrast, January brings a chillier atmosphere, with temperatures dropping to a minimum of -6°C (22°F) and an average of just 5°C (41°F), peaking at 15°C (59°F). This month also sees slightly more precipitation at 65 mm (2.6 in) across eleven days, with humidity levels climbing to 91%. For a deeper insight into January weather specifics, you can check Messines weather in January.

In comparing the weather between September and February, we see notable differences in temperature and precipitation patterns. September enjoys a much warmer range, with average temperatures around 16°C (61°F) and highs reaching up to 32°C (89°F), while February experiences much colder conditions, with an average temperature of 6°C (43°F) and maximums only reaching 19°C (66°F). In terms of precipitation, February is slightly wetter than September, averaging 59 mm (2.3 in) over 12 days compared to September’s 51 mm (2.0 in) over 9 days. Humidity levels are also higher in February, sitting at 89% compared to September's 82%. To delve deeper into the cold conditions of February, you can explore Messines weather in February.

September and March present distinct contrasts in weather patterns. In September, temperatures range from a cool 4°C (40°F) to a warm 32°C (89°F), with an average of 16°C (61°F), making it a generally mild month. This period sees relatively lower precipitation, totaling 51 mm (2.0 in) over about 9 days, and the humidity hovers around 82%. In contrast, March experiences chillier temperatures, with a minimum of -7°C (20°F) and a maximum of 22°C (72°F), resulting in a cooler average of 8°C (46°F). The month is wetter, with precipitation amounting to 64 mm (2.5 in) across 14 days, and the humidity increases slightly to 87%. For more detailed insights into March weather, you can visit Messines weather in March.

September and April showcase distinctly different weather patterns. In September, temperatures typically 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). The month experiences about 51 mm (2.0 in) of precipitation over roughly 9 days, coupled with a humidity level of 82%. In contrast, April presents cooler conditions, with temperatures ranging from a chilly -2°C (28°F) to a milder 26°C (78°F), and an average temperature of 10°C (51°F). This month sees less precipitation, totaling 36 mm (1.4 in) over approximately 7 days, while humidity is slightly higher at 85%. For more detailed information, you can visit Messines weather in April.

September experiences warmer temperatures compared to May, with average highs reaching up to 32°C (89°F), while May's averages peak at 28°C (83°F). However, May starts off cooler, with a minimum temperature of 1°C (34°F) compared to September's 4°C (40°F). Both months share similar humidity levels at 82%, but September sees less precipitation overall, totaling 51 mm (2.0 in) over 9 days, as opposed to May, which receives 61 mm (2.4 in) across 11 days. For a closer look at May's climate, you can visit Messines weather in May.

In comparing the weather between June and September, we can observe some notable similarities and differences. Both months experience high humidity levels of 82%, creating a consistent feeling of mugginess. However, September tends to have a wider temperature range, with a minimum of 4°C (40°F) and a maximum of 32°C (89°F), whereas June has slightly warmer minimum and average temperatures, ranging from 5°C (41°F) to a maximum of 33°C (91°F). Additionally, precipitation in June is slightly higher at 60 mm (2.4 in) over 8 days compared to September's 51 mm (2.0 in) over 9 days. For more detailed insights, you can check Messines weather in June.

When comparing the weather in September and July, notable differences emerge. September generally experiences slightly cooler temperatures, with a minimum of 4°C (40°F) and an average of 16°C (61°F), compared to July's higher minimum temperature of 8°C (46°F) and average of 19°C (66°F). Additionally, July can reach higher maximum temperatures, peaking at 39°C (103°F), while September's maximum is more moderate at 32°C (89°F). Precipitation levels are quite similar, with September receiving 51 mm (2.0 in) over 9 days and July with 50 mm (2.0 in) across 10 days. Humidity in September is slightly higher at 82%, compared to July's 80%. For more detailed insights about July weather in Messines, you can check out Messines weather in July.

In comparing the weather of September to August, September experiences a wider temperature range, with minimums dropping to 4°C (40°F) and maximums reaching 32°C (89°F), while August generally stays warmer, with a minimum of 8°C (47°F) and maximums peaking at 36°C (98°F). The average temperature in September is slightly cooler at 16°C (61°F) compared to August's 19°C (66°F). Additionally, September sees less precipitation overall, totaling 51 mm (2.0 in) over 9 days, while August receives 71 mm (2.8 in) across 12 days. Humidity is higher in September at 82% compared to August’s 76%. For more detailed weather information, check Messines weather in August.

September weather features a wider temperature range, with minimums around 4°C (40°F) and maximums reaching up to 32°C (89°F), resulting in an average of 16°C (61°F). Although it receives less precipitation than October, September still sees about 51 mm (2.0 in) over 9 days, with a humidity level of 82%. In contrast, October experiences cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 25°C (77°F), leading to a lower average of 13°C (55°F). The month is marked by increased rainfall, totaling 82 mm (3.2 in) over 13 days and slightly higher humidity at 89%. For more details on the weather specifics in October, you can visit Messines weather in October.

September and November present quite contrasting weather conditions. 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), making it a much warmer month. The humidity stands at 82%, with relatively low precipitation of 51 mm (2.0 in) over 9 days. In stark contrast, November experiences a cooler climate, with temperatures dipping to a minimum of -1°C (30°F) and peaking at 19°C (67°F), resulting in an average temperature of just 8°C (47°F). Additionally, November sees slightly higher precipitation at 56 mm (2.2 in) across 12 days and increased humidity at 92%. For more specific details about the weather in November, you can visit this link: Messines weather in November.

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). The month experiences around 51 mm (2.0 in) of precipitation over nine days, and humidity is relatively high at 82%. In contrast, December sees a significant drop in temperatures, with minimums reaching -4°C (26°F) and maximums only reaching 15°C (59°F), averaging 6°C (43°F). Precipitation is also higher, totaling 95 mm (3.8 in) over 17 days, and humidity rises slightly to 92%. To learn more about December weather patterns, visit Messines weather in December.

Compare Messines's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Messines

As September unfolds in Messines, the weather exhibits a distinct character compared to the peak summer months. The days enjoy a warm embrace with maximum temperatures, yet the evenings remind us of the transitioning season with cooler nights averaging around 16°C. While September typically has more precipitation than the drier summer months, with about nine days of rain, the overall humidity lingers high, creating a unique blend of crisp autumn air and lingering warmth. For a deeper understanding of how Messines' weather evolves throughout the year, visit Messines Climate.