September Weather in La Lucca, Italy

Last updated: March 24, 2025

In September, La Lucca, Italy, experiences a delightful transition from summer warmth to the crispness of autumn. With a maximum temperature reaching 32°C (90°F) and an average of 20°C (69°F), the days are still pleasantly warm. However, the nights can dip to a refreshing minimum of 7°C (44°F). This month also brings 99 mm (3.9 in) of rainfall spread over approximately 10 days, making humidity levels hover around 65%. Visitors can enjoy the picturesque landscapes and vibrant culture while preparing for occasional showers that nourish the lush surroundings.

September Temperature in La Lucca

As September unfolds in Lucca, Italy, the warmth of summer lingers, inviting visitors to bask in pleasant conditions before autumn's arrival. With nighttime temperatures dipping to a cool 7°C (44°F), the days become beautifully mild, averaging around 20°C (69°F). During the peak of the day, it can reach a comfortable 32°C (90°F), making it an ideal time for leisurely strolls along the historic walls or enjoying local cuisine al fresco. This transition showcases a delightful balance, allowing for the enjoyment of outdoor activities under the gentle embrace of late-summer sunshine, while also hinting at the crisper days to come.

September Weather in La Lucca: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Lucca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414548546170767768595245
Data source: Temperature data for La Lucca 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 La Lucca

September in La Lucca, Italy, marks a transition in weather patterns, characterized by increased precipitation as summer wanes. With 99 mm (3.9 in) of rainfall over 10 days, the month sees a return to more consistent moisture compared to the drier summer months, particularly July and August, which recorded only 35 mm (1.4 in) and 20 mm (0.8 in), respectively. This rise in rainfall foreshadows the more drastic deluges of autumn, culminating in November's significant 263 mm (10.3 in). As the landscape shifts from its sun-kissed summer hues to the vibrant colors of autumn, September's precipitation plays a crucial role in nourishing the region's natural beauty and preparing it for the upcoming seasonal changes.

September Precipitation Trends in La Lucca

The chart displays monthly precipitation patterns in La Lucca, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85120111909157352099117263199
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in La Lucca

In September, La Lucca, Italy, experiences a refreshing transition as humidity levels rise to 65%, offering a pleasant shift from the sultry summer months. This figure is a notable increase from August's low of 53%, signaling the advent of autumn. As the year progresses, humidity begins to climb steadily, peaking in the winter months, with values hitting 84% in December and January. The overall trend indicates a gradual increase in humidity as the seasons change, creating a comfortable yet crisp atmosphere that is characteristic of La Lucca's early fall. This drop from the sweltering heights of summer, combined with the rise toward autumn, presents an ideal time for exploration and enjoyment of the city's stunning landscapes.

September Average Humidity in La Lucca

This chart illustrates the average monthly humidity levels in La Lucca, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%69%70%70%61%57%53%65%75%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in La Lucca

As the summer months wane, September in La Lucca, Italy, still boasts a notable UV Index of 8, placing it in the very high exposure category. This means that even as autumn approaches, outdoor enthusiasts should be cautious, as the recommended maximum burn time remains short at just 15 minutes. The trend observed throughout the year shows an increase in UV levels from the moderate indices in winter to peak levels of 10 in July and June before gradually declining as the year progresses. Nevertheless, September’s UV index reflects the tail end of a sun-soaked season, encouraging residents and visitors alike to stay sun-safe while enjoying the beautiful Italian landscape. For more details on UV exposure levels, visit La Lucca UV Index.

Maximum UV Index Levels in La Lucca for September

The chart shows the monthly maximum UV Index (UVI) for La Lucca 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.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: La Lucca 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 La Lucca

As the summer warmth begins to fade, September in La Lucca, Italy, offers a delightful transition with 336 hours of sunshine. This marks a graceful decline from the sun-drenched peak of July, where baskers enjoyed 429 hours of light. While August still provides a generous 398 hours, September’s golden rays invite a softer, more relaxed ambiance. With a steady descent leading into the cooler months, where October and November see fewer hours at 311 and 243 respectively, September stands as a breathtaking bridge—the perfect time to relish in the lingering warmth before autumn sets in.

Monthly Sunshine Duration in La Lucca: September Highlighted

The September sunshine duration represents the total number of hours La Lucca 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.
JanFebMarAprMayJunJulAugSepOctNovDec195h256h322h350h393h413h429h398h336h311h243h242h
Data source: La Lucca September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in La Lucca During September

As September rolls in, La Lucca, Italy, enjoys a 51% chance of sunny weather, making it one of the more favorable months for outdoor activities. This figure reflects a notable trend in the region's climate, where the summer months of July and August boast the highest abundance of sunshine, with probabilities soaring to 73% and 71% respectively. However, as autumn approaches, the likelihood of sunny days begins to decline slightly, mirroring the drop observed in October to 40%. Nevertheless, September's sunshine percentages indicate a transitional period, providing the perfect backdrop for enjoying the lingering warmth of early fall. Whether wandering through its picturesque streets or savoring local cuisine al fresco, visitors can expect a balanced mix of sunny days and comfortable temperatures in this charming Italian destination.

Percentage of Sunny Days in September in La Lucca

The chart illustrates the percentage of sunny days in La Lucca 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 La Lucca experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%53%51%35%43%57%73%71%51%40%28%46%
Data source: La Lucca September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in La Lucca in September

As summer fades, September in La Lucca, Italy, brings a gentle transition with approximately 12 hours of daylight. This decrease from the sun-soaked days of June, which boasts a peak of 15 hours, marks a gradual shift toward autumn. The month retains a balance between the lingering warmth of summer and the onset of cooler seasons, offering a delightful average that’s still significantly higher than the winter months. Following September, daylight hours continue to dwindle as October and November settle in, dropping to 11 hours and finally 9 hours, respectively. This rhythmic ebb and flow of daylight not only features seasonal changes but also highlights the charm of La Lucca as it prepares for the cozy embrace of fall.

Average Daylight Hours in La Lucca for September

The chart illustrates the variation in daylight duration in La Lucca throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 32m10h 36m11h 57m13h 21m14h 31m15h 7m14h 48m13h 45m12h 25m11h 2m9h 49m9h 12m
Data source: La Lucca daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in La Lucca

As summer fades into autumn, September in La Lucca, Italy, ushers in a gentle embrace of soft breezes, with an average wind speed of 1.3 m/s (about 3 mph). This marks the year's lowest wind velocities, reflecting a significant shift from the slightly more blustery summer months. The transition toward the cooler season is evident, as prevailing winds become less brisk, offering a serene ambience perfect for leisurely strolls through the charming streets. Comparatively, September's calmness is a delightful contrast to the stronger gusts of early winter, which are just around the corner, hinting at a delicate balance between warmth and the approaching chill. Overall, it’s a tranquil time, inviting visitors to enjoy the lingering warmth while savoring the serene tranquility that the winds of La Lucca bring.

Average September Wind Speed in La Lucca

The chart displays monthly wind speed patterns in La Lucca, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.61.61.51.61.41.51.61.3 m/s1.51.71.5
Data source: La Lucca September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in La Lucca Compares to Other Months

The weather in La Lucca changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in La Lucca and find detailed weather information for every month.

In September, temperatures range significantly from a chilly 7°C (44°F) in the early morning to a warm average of 20°C (69°F) and peak at a hot 32°C (90°F), creating a dynamic climate for outdoor activities. The month experiences approximately 99 mm (3.9 in) of precipitation over about 10 days, with humidity levels hovering around 65%. In contrast, January brings cold temperatures, with minimums dropping to -10°C (15°F) and an average of just 5°C (42°F), peaking at a milder 18°C (65°F). This winter month has slightly less precipitation at 85 mm (3.3 in) over 9 days, but the humidity levels rise to a high 84%, contributing to a damp and chilly atmosphere. For a detailed look at January weather, visit La Lucca weather in January.

September and February present stark contrasts in weather. September boasts a comfortable average temperature of 20°C (69°F), ranging from a mild 7°C (44°F) at night to a warm 32°C (90°F) during the day. Despite its higher temperatures, it experiences about 99 mm (3.9 in) of precipitation over 10 days, with humidity levels at 65%. In contrast, February is much colder, with an average temperature of just 7°C (46°F), dipping as low as -11°C (13°F) and peaking at 18°C (65°F). This month sees even more precipitation at 120 mm (4.7 in), also spread over 10 days, and comes with higher humidity at 76%. For details on February weather in a specific region, check out La Lucca weather in February.

September and March offer distinctly different weather experiences. In September, temperatures range from a cool 7°C (44°F) at night to a warm 32°C (90°F) during the day, with an average temperature of 20°C (69°F). The month sees approximately 99 mm (3.9 in) of rain over about 10 days and a relative humidity of 65%. In contrast, March is chillier, with temperatures dipping as low as -7°C (19°F) and peaking at 22°C (72°F), averaging 9°C (48°F). Rainfall is slightly higher at 111 mm (4.4 in) across 12 days, and the humidity rises slightly to 69%. For a more detailed look at March weather, visit La Lucca weather in March.

When comparing the weather in September and April, it's evident that both months exhibit distinctive characteristics. September tends to be warmer, with average temperatures ranging from a cool 7°C (44°F) at night to a warm 32°C (90°F) during the day, whereas April exhibits much cooler temperatures, with lows of -3°C (28°F) and highs reaching only 27°C (80°F). Precipitation is similar in both months, with September receiving 99 mm (3.9 in) over approximately 10 days, while April sees slightly less at 90 mm (3.6 in) across 12 days. Additionally, humidity levels are higher in April at 70%, compared to September's 65%. For a deeper look at April weather specifics, you can explore La Lucca weather in April.

September typically offers warmer temperatures compared to May, with averages reaching around 20°C (69°F) and maximums peaking at 32°C (90°F), while May experiences cooler averages at 16°C (62°F) and maximums of 31°C (88°F). Although both months see a fair amount of rainfall, September has slightly higher precipitation at 99 mm (3.9 in) over 10 days, compared to May’s 91 mm (3.6 in) spread across 13 days. Humidity levels are also notable, with September averaging 65% and May slightly higher at 70%. For a closer examination of the weather conditions in May, you can visit La Lucca weather in May.

When comparing the weather in September and June, both months exhibit mild temperatures, but September tends to be slightly warmer on average. September sees minimum temperatures around 7°C (44°F) and maximums reaching 32°C (90°F), while June has minimums of 8°C (47°F) and maximums of 33°C (92°F). Precipitation is more prevalent in September, with 99 mm (3.9 in) of rain over about 10 days, compared to June's 57 mm (2.2 in) spread over 8 days. Additionally, humidity levels are relatively similar, with September at 65% and June at 61%. For a detailed look at June weather in a specific location, check out La Lucca weather in June.

In comparing the weather of September and July, September offers a wider range of temperatures, with a minimum of 7°C (44°F) and a maximum of 32°C (90°F), leading to an average of 20°C (69°F). In contrast, July is noticeably warmer, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 34°C (94°F), averaging 24°C (76°F). Additionally, September experiences more precipitation, totaling 99 mm (3.9 in) over approximately 10 days, whereas July sees only 35 mm (1.4 in) over about 5 days. Humidity levels are also higher in September at 65%, compared to July's 57%. For a closer look at July weather specifically, visit La Lucca weather in July.

September's weather shows a noticeable shift compared to August. While August boasts warmer temperatures with a minimum of 14°C (57°F) and a maximum of 37°C (99°F), September cools down significantly, with temperatures dropping to a minimum of 7°C (44°F) and peaking at 32°C (90°F). Additionally, September experiences more frequent rain, with 99 mm (3.9 in) of precipitation over 10 days, in stark contrast to August's drier conditions of only 20 mm (0.8 in) over 5 days. The humidity also rises in September to 65%, compared to August's 53%. For a closer look at August weather specifically in La Lucca, check out La Lucca weather in August.

September and October showcase a notable transition in weather patterns. In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 32°C (90°F), with a comfortable average of 20°C (69°F). This month experiences 99 mm (3.9 in) of precipitation over 10 days, combined with 65% humidity. In contrast, October sees cooler temperatures, with a minimum of 4°C (40°F), an average of 15°C (59°F), and a maximum of 26°C (79°F). Precipitation increases slightly to 116 mm (4.6 in) over the same number of days, while humidity rises to 75%. These changes indicate that October is generally cooler and wetter than September. For more detailed information, visit La Lucca weather in October.

September and November present starkly contrasting weather conditions. In September, temperatures range from a mild 7°C (44°F) at night to a warm 32°C (90°F) during the day, with an average of 20°C (69°F). Rainfall is relatively moderate, totaling 99 mm (3.9 in) over about 10 days, and the humidity sits at a comfortable 65%. In contrast, November sees a notable drop in temperature, with nighttime lows plunging to -2°C (28°F) and daytime highs reaching only 22°C (71°F). The average temperature in November is significantly cooler at 11°C (53°F), and the month experiences much heavier rainfall at 263 mm (10.3 in) spread over 16 days, coupled with increased humidity of 81%. For more details on November weather patterns, check out La Lucca weather in November.

September typically offers a much warmer and more pleasant climate compared to December. With average temperatures around 20°C (69°F) and highs reaching up to 32°C (90°F), September is characterized by mild to hot weather. In contrast, December brings a significant drop in temperatures, with averages around 7°C (45°F) and maximums only reaching 17°C (63°F). Additionally, December sees higher precipitation levels at 199 mm (7.8 in) over 13 days, whereas September experiences 99 mm (3.9 in) across 10 days. The humidity also rises in December, reaching 84% compared to September's 65%. For more details on December weather, visit La Lucca weather in December.

Compare La Lucca's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in La Lucca

September in La Lucca marks a transition from the heat of summer to the more temperate conditions of autumn, creating a delightful atmosphere for visitors. With average temperatures hovering around 20°C (69°F) and maximums reaching 32°C (90°F), the month offers a pleasant balance for outdoor activities. While occasional rain, totaling about 99 mm across roughly 10 days, introduces a refreshing change, the humidity levels remain manageable at 65%. This blend of warmth and mild unpredictability makes September a unique and inviting month to explore the charming landscapes of La Lucca. For a deeper insight into the seasonal variations and weather patterns throughout the year, visit La Lucca Climate.