September Weather in Dinant, Belgium

Last updated: August 21, 2025

In September, Dinant, Belgium experiences a dynamic weather profile, with temperatures ranging from a brisk 2°C (36°F) at night to a soaring 33°C (92°F) during the day. The average temperature settles at a comfortable 15°C (59°F), creating a pleasant atmosphere for outdoor activities. However, visitors should be prepared for some wet weather, as 10 days of the month see precipitation totaling 64 mm (2.5 in), coupled with a notable humidity level of 82%. This blend of warm days and occasional rainfall makes September a month of varied yet charming weather in Dinant.

September Temperature in Dinant

As September unfolds in Dinant, Belgium, the temperatures begin their gradual transition towards autumn. With a minimum of around 2°C (36°F), the mornings can feel crisp and cool, while the average temperature reaches a comfortable 15°C (59°F), making it quite pleasant for outdoor activities. The afternoons can surprise with a maximum of 33°C (92°F), showcasing a lingering hint of summer warmth just before it fades away. This month serves as a bridge, where the last traces of summer heat meet the refreshing coolness of autumn, inviting both locals and visitors to enjoy the beautiful changes in the landscape. As the days grow shorter, Dinant transforms into a picturesque blend of warm hues and vibrant fall foliage, making September an ideal time to wander through its stunning scenery.

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

The chart illustrates September temperature patterns in Dinant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dinant, 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).
JanFebMarAprMayJunJulAugSepOctNovDec374044495563656558524340
Data source: Temperature data for Dinant 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 Dinant

In September, Dinant experiences a noticeable shift in precipitation patterns, receiving an average of 64 mm (2.5 in) of rain over approximately 10 days. This amount marks a decline from the wetter months of summer, where August saw 81 mm of precipitation, suggesting the region begins to transition into a drier autumn. Moreover, this dip can be seen in the decrease of 4 rainy days compared to the previous month. While September's rainfall is still substantial, it sets the stage for the increasingly wet months ahead, with October often bringing higher precipitation totals. Overall, September serves as a hinge between summer's lingering showers and the onset of fall's brisk weather, highlighting Dinant's dynamic climate.

September Precipitation Trends in Dinant

The chart displays monthly precipitation patterns in Dinant, 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 Dinant, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7476844571797881648861114
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dinant

As the summer slips away in Dinant, Belgium, September brings a modest increase in humidity levels, rising to 82% from August's 76%. This slight uptick reflects a transition from the drier summer months to the more humid conditions typical of autumn. Over the course of the year, humidity tends to peak in the winter months, with January and February hovering around 91%, before gradually declining to a summer low of 76%. However, with the arrival of September, the air gains a hint of moisture again, paving the way for the wetter, chillier months ahead. This rhythm of humidity not only marks the seasonal shift but also underscores the character of Dinant’s distinctive climate.

September Average Humidity in Dinant

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

As September rolls into Dinant, Belgium, the UV Index settles at a moderate 5, suggesting a need for some sun protection during outdoor activities, with a burn time of about 30 minutes for fair-skinned individuals. Following the intense summer months of very high UV levels in June and July, September marks a gradual decline in sun intensity. The transition is noticeable as the days shorten and temperatures cool, yet outdoor enthusiasts should remain vigilant, particularly as month-to-month averages shift from the high UV of August back to a more moderate exposure. With autumn approaching, it’s essential to stay informed about changing UV trends, ensuring safe enjoyment of the vibrant fall scenery. For more details on local UV levels, check out Dinant UV Index.

Maximum UV Index Levels in Dinant for September

The chart shows the monthly maximum UV Index (UVI) for Dinant 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 Dinant typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234578875421
Data source: Dinant 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 Dinant

As September graces Dinant, Belgium, the lingering warmth of summer begins to wane, yet the month still shines with a commendable 318 hours of sunshine. This marks a transition from the dazzling heights of July and June, which boast over 400 hours, down to the gentle embrace of autumn. While the sunlight mellows compared to the peak summer months, September still radiates more brightness than its upcoming counterparts in October and November, which dip to 239 and 183 hours, respectively. This delightful dip in daylight serves as a perfect prelude to the cozy charm of fall, allowing residents and visitors alike to bask in the fading summer glow before the days become shorter and the nights cooler.

Monthly Sunshine Duration in Dinant: September Highlighted

The September sunshine duration represents the total number of hours Dinant 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.
JanFebMarAprMayJunJulAugSepOctNovDec115h196h262h342h392h400h401h379h318h239h183h129h
Data source: Dinant September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dinant During September

As September arrives in Dinant, Belgium, the likelihood of sunny weather shows a promising 38% chance. This marks a slight uptick from the summer months, where sunshine was somewhat elusive, averaging around 27% in August. Interestingly, the trend reveals a slow ascent from the early spring months, starting with a mere 39% in March and reaching a peak of 49% in April. Although September's chances dip below this spring high, they remain significantly more favorable than the winter months, where sunshine becomes scarce. Overall, while September may not guarantee endless sunny days, it certainly offers a decent opportunity for basking in the sun before the autumn chill sets in.

Percentage of Sunny Days in September in Dinant

The chart illustrates the percentage of sunny days in Dinant 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 Dinant experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec8%30%40%49%32%30%32%27%38%31%23%16%
Data source: Dinant September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dinant in September

As September rolls into Dinant, Belgium, the days begin to shorten, transitioning from the sun-soaked heights of summer. With a daylight duration of 12 hours, this month marks a gentle decline from the 16 hours enjoyed in June, fostering a cozy atmosphere as crisp autumn air settles in. After a vibrant summer filled with 15 hours in July and 14 hours in August, September’s softer light heralds the approach of the darker months, dropping to 10 hours by October. This gradual decrease positions September as a bridge between the sun-drenched joy of summer and the nostalgic charm of fall, encouraging both reflection and appreciation of nature's changing palette.

Average Daylight Hours in Dinant for September

The chart illustrates the variation in daylight duration in Dinant throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 35m10h 4m11h 55m13h 48m15h 27m16h 18m15h 51m14h 22m12h 33m10h 40m9h8h 6m
Data source: Dinant daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Dinant

As September unfolds in Dinant, Belgium, the gentle tranquility of the wind sets the stage for a picturesque autumn. With an average wind speed of 2.7 m/s (6 mph), September marks the year's calmest month, reminiscent of a soft embrace as summer's warmth gradually gives way to cooler days. This decrease in wind speed follows a slight uptick during the previous months of May and June, where breezes averaged around 4.4 m/s (10 mph) and 2.7 m/s (6 mph), respectively. Interestingly, the transition to October tends to revive the winds, bringing them back up to 4.4 m/s (10 mph). This rhythmic dance of nature creates a serene atmosphere, ideal for leisurely strolls along the Meuse River, as the picturesque landscapes of Dinant are adorned with autumn's golds and reds.

Average September Wind Speed in Dinant

The chart displays monthly wind speed patterns in Dinant, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.64.13.44.42.73.53.42.7 m/s4.43.34.2
Data source: Dinant September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Dinant Compares to Other Months

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

September presents a much warmer climate compared to January, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 33°C (92°F) and a pleasant average of 15°C (59°F). In contrast, January experiences much colder temperatures, from a low of -11°C (13°F) to a high of 12°C (54°F), with an average of just 3°C (37°F). While both months have notable precipitation, September sees 64 mm (2.5 in) over 10 days, whereas January has slightly higher precipitation at 74 mm (2.9 in) over 13 days. Additionally, humidity levels in January are higher at 91%, compared to September's 82%. For more details on the winter conditions, you can check out Dinant weather in January.

September and February present contrasting weather patterns, reflective of the transition from late summer to winter. In September, temperatures vary widely, ranging from a cool 2°C (36°F) at night to a warm 33°C (92°F) during the day, with an average of 15°C (59°F). The month sees approximately 64 mm (2.5 in) of precipitation over about 10 days, accompanied by a humidity level of 82%. In stark contrast, February experiences colder conditions, with temperatures dipping to a minimum of -10°C (15°F) and peaking at 19°C (67°F), averaging only 4°C (40°F). This month receives slightly more precipitation at 76 mm (3.0 in) spread across 13 days, and the humidity rises to 89%. For those interested in specific conditions during this time, check out Dinant weather in February.

September and March exhibit starkly different weather patterns. In September, temperatures range from a mild 2°C (36°F) at night to a warm 33°C (92°F) during the day, with an average of 15°C (59°F). This month also experiences about 64 mm (2.5 in) of precipitation over 10 days, accompanied by high humidity at 82%. In contrast, March sees much colder conditions, with temperatures dipping to a minimum of -11°C (13°F) and only reaching a maximum of 23°C (73°F), averaging 6°C (44°F). Furthermore, March is slightly wetter with 84 mm (3.3 in) of precipitation spread across 15 days and slightly higher humidity at 87%. To learn more about the specifics of March weather, you can visit Dinant weather in March.

When comparing the weather in September and April, we see notable differences in temperature and humidity. September tends to be warmer with average temperatures reaching 15°C (59°F), peaking at a maximum of 33°C (92°F), while April is cooler, with an average temperature of 9°C (49°F) and a maximum of 26°C (79°F). Precipitation levels are relatively similar, with September experiencing 64 mm (2.5 in) and April slightly less at 45 mm (1.8 in), both spread over about 10 days. Interestingly, humidity levels are slightly higher in April at 85%, compared to 82% in September. For more details on the specific weather conditions in April, check out Dinant weather in April.

In comparing the weather of September and May, we see some notable differences. September typically features a wider range of temperatures, with a minimum of 2°C (36°F) and a maximum of 33°C (92°F), while May's temperatures range from a minimum of 0°C (33°F) to a maximum of 30°C (87°F). Although both months exhibit high humidity at 82%, September tends to have slightly less precipitation, averaging 64 mm (2.5 in) over about 10 days, compared to May, which sees 71 mm (2.8 in) across 14 days. This suggests that May may feel a bit wetter with more rainy days. For more detailed information on May weather specifically, check Dinant weather in May.

In comparing the weather of September and June, both months exhibit similar humidity levels at 82%, contributing to a somewhat muggy atmosphere. September experiences a wider temperature range, with a minimum of 2°C (36°F) and a maximum of 33°C (92°F), while June has a warmer minimum of 6°C (42°F) and a slightly lower maximum of 32°C (90°F). Precipitation is more pronounced in June, totaling 79 mm (3.1 in) across 12 days, compared to September's 64 mm (2.5 in) over 10 days. For a more detailed overview of June weather, check this page: Dinant weather in June.

In September, the weather experiences a gradual transition as temperatures range from a minimum of 2°C (36°F) to a maximum of 33°C (92°F), with an average of 15°C (59°F). This month sees approximately 64 mm (2.5 in) of precipitation over 10 days, accompanied by a relatively high humidity level of 82%. In contrast, July is warmer, with temperatures ranging from a minimum of 7°C (45°F) to a peak of 37°C (98°F) and an average of 18°C (65°F). It also experiences a higher total precipitation of 78 mm (3.1 in) spread over 11 days, while maintaining slightly lower humidity at 80%. For more details on July weather, you can check Dinant weather in July.

In comparing the weather of September and August, September experiences a broader temperature range, with minimum temperatures dropping to 2°C (36°F) and maximums reaching up to 33°C (92°F). In contrast, August tends to be slightly warmer on average, with temperatures ranging from 6°C (43°F) to a high of 36°C (97°F). Rainfall is also noteworthy; September sees about 64 mm (2.5 in) of precipitation over 10 days, while August has a higher total of 81 mm (3.2 in) over 14 days. Additionally, humidity levels in September are higher at 82%, compared to August's 76%. For more detailed information on August weather, you can visit Dinant weather in August.

In September, the weather in the region is characterized by a wide temperature range, with minimums around 2°C (36°F) and maximums reaching up to 33°C (92°F). The average temperature hovers at 15°C (59°F), accompanied by 64 mm (2.5 in) of precipitation over about 10 days. Humidity levels are relatively high at 82%.

Conversely, October brings cooler temperatures, with minimums dropping to 0°C (33°F) and maximums peaking at 24°C (76°F). The average temperature falls to 11°C (52°F) and the region experiences increased precipitation, totaling 88 mm (3.5 in) over 13 days. Humidity also rises to 89%, creating a noticeably damp atmosphere. For more detailed information, check out Dinant weather in October.

In September, the weather is noticeably warmer, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 33°C (92°F) and an average of 15°C (59°F). The month experiences about 64 mm (2.5 in) of precipitation over roughly 10 days, with humidity levels at 82%. In comparison, November sees a significant drop in temperatures, with minimums reaching -4°C (26°F) and a maximum of 18°C (64°F), averaging around 6°C (44°F). Though precipitation is slightly lower at 61 mm (2.4 in) over 12 days, the humidity increases to 92%, contributing to a much chillier feel. For more details on the weather during this time, you can check Dinant weather in November.

September and December present starkly contrasting weather conditions. In September, temperatures range from a refreshing 2°C (36°F) at night to a warm 33°C (92°F) during the day, with an average of 15°C (59°F). The month enjoys some precipitation, totaling 64 mm (2.5 in) over about 10 days, accompanied by relatively high humidity at 82%. In contrast, December's climate is much cooler, with minimum temperatures plunging to -5°C (24°F) and a maximum of just 14°C (58°F), averaging around 4°C (40°F). Precipitation increases to 114 mm (4.5 in) across 20 days, and humidity rises slightly to 92%. For a closer look at the December weather, you can refer to Dinant weather in December.

Compare Dinant's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Dinant

As summer gently gives way to autumn, September in Dinant presents a noticeable shift in weather patterns. The month enjoys warm days with maximum temperatures reaching up to 33°C, yet the average settles around a mild 15°C, offering a comfortable transition. However, be prepared for some rainfall, as 64 mm falls over 10 days, creating lush landscapes and a refreshing atmosphere. The humidity hovers at 82%, adding to the crisp feel of the air. This blend of warm temperatures and occasional showers makes September an ideal time to experience Dinant’s vibrant beauty. For a deeper understanding of Dinant's climate throughout the year, check out Dinant Climate.