Last updated: August 21, 2025
September in Grevenmacher, Luxembourg showcases a diverse climate, with temperatures ranging from a cool 3°C (38°F) at night to a warm 32°C (89°F) during the day. The average temperature settles at a moderate 14°C (58°F), creating a pleasant atmosphere for locals and visitors alike. As summer transitions to autumn, the region experiences approximately 64 mm (2.5 in) of rainfall over 9 days, contributing to a humidity level of 83% that adds a refreshing feel to the air. This month offers a unique blend of warm days and cooler nights, making it an intriguing time to explore Grevenmacher’s enchanting landscapes.
As September unfolds in Grevenmacher, Luxembourg, the weather begins to showcase a transitional charm. With minimum temperatures creeping up to 3°C (38°F) and an average of 14°C (58°F), the air feels pleasantly crisp yet inviting. The maximum temperatures can soar to a warm 32°C (89°F), reminiscent of the lingering summer warmth, making the month perfect for outdoor activities. This month's climate reflects a delicate balance, bridging the lingering heat of late summer with the cooler approach of autumn, setting a picturesque backdrop for both locals and visitors to enjoy the vibrant fall foliage while basking in those warm, sunny days.
September in Grevenmacher, Luxembourg, brings a gentle transition into autumn, marked by 64 mm (2.5 in) of precipitation over 9 days. This amount reflects a slight decrease from the summer months, as August saw 65 mm but with a comparable number of precipitation days. The trend of decreasing rainfall continues from the relatively wetter months of spring, which ranged between 79 mm and 91 mm. As the year progresses towards the wetter winter months, September's moderate rain signals a shift in the climatic cycle, preparing the landscape for the vibrant foliage of autumn while keeping the spirit of summer's lushness alive.
In Grevenmacher, Luxembourg, September marks a subtle shift in humidity levels, with average moisture hovering around 83%. This figure represents a slight increase from the summer's 80%, suggesting that as autumn approaches, the air begins to gain a touch more dampness. The yearly trend shows a gradual rise in humidity from the low of 81% in May, peaking towards winter, where months like December reach a significant 93%. Overall, the transition into September hints at a gradual return to the more humid conditions characteristic of the colder months, bridging the gap between the warmth of summer and the chill of winter.
As summer winds down in Grevenmacher, Luxembourg, September sees a UV Index of 6, placing the exposure category in the high range with a burn time of 25 minutes. This marks a slight decrease from the peak indices of the summer months, indicating a gradual easing of sun intensity. However, the UV levels remain significant enough to warrant caution, especially for those spending extended periods outdoors. The trend shows that while the sun's strength is diminishing compared to the summer, it is still crucial to stay proactive about sun protection. As you enjoy the early autumn days, make sure to keep an eye on the UV Index to safeguard your skin. For more information, visit Grevenmacher UV Index.
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In Grevenmacher, Luxembourg, September offers a delightful transition into autumn with 313 hours of sunshine, a radiant conclusion to the summer months. This sunny trend follows a peak in the summer, where July leads the way with 410 hours, showcasing a season filled with abundant light. As the year progresses into fall, the gradual decline in sunshine hours becomes evident, yet September still holds onto a generous amount of daylight, outperforming both October and November, which see a significant drop. This makes September a perfect time to enjoy the lingering warmth and beautiful landscapes before the crispness of autumn settles in. With sunshine hours consistently increasing from January's mere 104 hours to September's vibrant offering, visitors and locals alike can bask in the charm of a sun-drenched early fall in this lovely town.
In Grevenmacher, Luxembourg, September offers a refreshing transition as summer fades into autumn, bringing a 40% chance of sunny weather. This likelihood represents an interesting trend, as the region enjoys one of its higher probabilities for sunshine during this month when compared to the preceding summer months of July and August, which see chances of 35% and 28%, respectively. April also stands out with 48%, signaling that spring holds its own against the summer months. Overall, while clouds may occasionally gather, September remains a promising time for those seeking a balance of pleasant sunshine and the gentle onset of fall.
As summer gives way to autumn in Grevenmacher, Luxembourg, the daylight duration begins to noticeably decline in September, featuring 12 hours of golden light. This transitional month sees a gradual return to shorter days following the peak of 16 hours in June. However, September still retains a generous offering of sunlight, outshining the winter months that follow, where daylight dwindles to only 8 hours in December. The overall trend showcases a fluid rhythm of increasing light from January’s 8 hours to June's 16 hours, followed by a steady retreat that emphasizes the cyclical nature of the seasons and prepares the landscape for the cozy warmth of fall.
As September rolls into Grevenmacher, Luxembourg, the gentle embrace of autumn brings with it a noticeable change in the winds. With an average wind speed of just 2.3 m/s (5 mph), this month marks the calmest point of the year, contrasting sharply with the gustier spring and early summer months. As temperatures begin to cool, the wind tends to mellow, echoing the shift from the lively summer breezes. While the winds may be softer, September's tranquil atmosphere offers a perfect setting for cozy walks and outdoor gatherings, inviting locals and visitors alike to savor the beauty of the changing season. As the months progress towards autumn, an upward trend can be anticipated, highlighted by October's return to more familiar breezy conditions at 3.4 m/s (8 mph).
Weather in Grevenmacher varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Grevenmacher, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures vary significantly, ranging from a minimum of 3°C (38°F) to a warm maximum of 32°C (89°F), with an average of 14°C (58°F). The month experiences moderate precipitation of 64 mm (2.5 in) across about 9 days, accompanied by an average humidity of 83%. Conversely, January is much chillier, with temperatures dropping to a minimum of -13°C (9°F) and only reaching a maximum of 12°C (53°F), averaging around 2°C (35°F). Precipitation in January increases slightly to 77 mm (3.0 in) over 12 rainy days, along with higher humidity at 91%. For more details, you can check Grevenmacher weather in January.
In comparing the weather of September and February, a stark contrast emerges. September boasts a minimum temperature of 3°C (38°F) and an average of 14°C (58°F), with maximums reaching up to 32°C (89°F). The month experiences about 64 mm (2.5 in) of precipitation over approximately 9 days, paired with a humidity level of 83%. In contrast, February presents a much colder climate, with minimum temperatures plummeting to -11°C (13°F) and an average of only 3°C (38°F). Despite the relatively moderate maximum temperature of 19°C (66°F), February sees higher precipitation at 80 mm (3.1 in) over around 12 days, coupled with a humidity level of 90%. The differences in temperature and moisture between the two months highlight the shift from the warmth of late summer to the chill of mid-winter. For more detailed insights on February weather, you can visit Grevenmacher weather in February.
In comparing the weather of September and March, we see distinct differences in temperature and precipitation patterns. September enjoys a much warmer climate, with average temperatures reaching 14°C (58°F) and highs peaking at 32°C (89°F), while March grapples with colder averages of 6°C (43°F) and lows dipping to -12°C (11°F). Rainfall is more prevalent in March, with 91 mm (3.6 in) of precipitation over 15 days, compared to September's 64 mm (2.5 in) across 9 days. Additionally, humidity levels in both months are quite high, with March slightly edging out September at 88% versus 83%. For more detailed insights into the March weather, you can check Grevenmacher weather in March.
September and April present distinct weather experiences. September tends to be warmer, with temperatures ranging from a cool 3°C (38°F) to a high of 32°C (89°F), while April is noticeably cooler, with temperatures dipping to -3°C (27°F) and peaking at 26°C (79°F). Despite both months having precipitation over nine days, September sees a higher total of 64 mm (2.5 in) compared to April’s 43 mm (1.7 in). Humidity levels are slightly higher in September at 83%, compared to April's 84%. For more detailed insights on April's climate, you can check Grevenmacher weather in April.
September and May offer distinct weather characteristics despite their proximity on the calendar. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 32°C (89°F), with an average temperature of 14°C (58°F). The month sees 64 mm (2.5 in) of precipitation over about 9 days and has a humidity level of 83%. In contrast, May has slightly cooler temperatures, with a minimum of 0°C (32°F) and an average of 13°C (55°F), peaking at 31°C (87°F). While May is wetter, with 79 mm (3.1 in) of rain spread over 13 days, it maintains a lower humidity of 81%. This comparison highlights the transitional nature of both months, with September feeling warmer and more humid, while May feels cooler and wetter. For more insights on May conditions, check out Grevenmacher weather in May.
When comparing the weather in September to that of June, notable differences emerge in temperature and precipitation patterns. September sees a wider temperature range, with minimums dropping to 3°C (38°F) and maximums reaching 32°C (89°F), leading to an average temperature of 14°C (58°F). In contrast, June presents a milder climate, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 33°C (92°F) and an average of 18°C (64°F). Additionally, precipitation in September totals 64 mm (2.5 in) over 9 days, while June experiences slightly higher precipitation at 76 mm (3.0 in) across 12 days. Humidity levels are comparable, with September at 83% and June slightly lower at 82%. For more detailed insights into June weather specifically, visit Grevenmacher weather in June.
In comparing the weather between September and July, September experiences a wider temperature range with a minimum of 3°C (38°F) and a maximum of 32°C (89°F), while July's temperatures are higher overall, ranging from a minimum of 8°C (46°F) to a maximum of 38°C (101°F). The average temperature in September is slightly cooler at 14°C (58°F) compared to July’s average of 19°C (66°F). Rainfall in both months is similar, with September receiving 64 mm (2.5 in) over 9 days and July slightly wetter at 73 mm (2.9 in) over 10 days. Humidity levels are comparable, with September at 83% and July slightly lower at 82%. For a detailed view of July weather, you can visit Grevenmacher weather in July.
In comparing the weather between September and August, we see a notable shift in temperatures and conditions. September experiences a wider range of temperatures, with minimums dipping to 3°C (38°F) and maximums reaching up to 32°C (89°F), resulting in an average of 14°C (58°F). In contrast, August is generally warmer, with minimum temperatures around 6°C (43°F), average temperatures of 18°C (65°F), and maximums peaking at 35°C (94°F).
Precipitation levels are similar in both months, with September recording 64 mm (2.5 in) over 9 days, while August sees slightly more rainfall at 65 mm (2.6 in) across 13 days. The humidity is also notably higher in September at 83%, compared to August's 80%. For a closer look at August weather specifics, you can check Grevenmacher weather in August.
In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 32°C (89°F), with an average of 14°C (58°F). This month experiences around 64 mm (2.5 in) of precipitation over approximately 9 days, while humidity levels sit at 83%. In contrast, October sees a significant drop in temperatures, with minimums at 0°C (32°F) and maximums of 24°C (76°F), averaging 10°C (51°F). Rainfall increases to 79 mm (3.1 in) over 12 days, and humidity rises slightly to 89%. For more detailed weather information, you can visit Grevenmacher weather in October.
September and November present stark contrasts in weather. In September, temperatures range from a mild 3°C (38°F) at night to a warm 32°C (89°F) during the day, with an average of 14°C (58°F). The month experiences moderate precipitation, with around 64 mm (2.5 in) falling over 9 days and humidity levels at 83%.
In comparison, November introduces a chillier climate, with temperatures dipping to a minimum of -4°C (25°F) and a maximum of 19°C (67°F), averaging just 5°C (42°F). Precipitation slightly increases to 71 mm (2.8 in) over 12 days, accompanied by higher humidity at 91%. For more details on the weather patterns in November, you can refer to Grevenmacher weather in November.
September weather is characterized by a wider temperature range, with minimums as low as 3°C (38°F) and maximums reaching up to 32°C (89°F). The average temperature sits at a comfortable 14°C (58°F). Despite having lower precipitation levels than December, September experiences rain on about 9 days, with total rainfall around 64 mm (2.5 in) and a humidity level of 83%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -5°C (22°F) and an average of only 4°C (39°F). Rainfall is significantly higher in December, totaling 131 mm (5.2 in) over 20 days, and the humidity also increases to 93%. For more detailed information, check out Grevenmacher weather in December.
September in Grevenmacher serves as a transitional month, where the warmth of summer begins to wane, allowing for a refreshing shift in the climate. With maximum temperatures reaching a comfortable 32°C (89°F) and an average cooling down to 14°C (58°F), it marks the end of the sweltering heat while still holding onto some warmth. This month also experiences a fair amount of precipitation, averaging around 64 mm over 9 days, adding to the month’s characteristic 83% humidity. Compared to the hotter summer months, September’s weather is marked by more moderate temperatures and occasional rain, creating a pleasant environment for outdoor activities. For a deeper look at the climatic patterns, explore Grevenmacher Climate.