September Weather in Livorno, Italy

Last updated: March 24, 2025

September in Livorno, Italy offers a delightful blend of warm weather and refreshing sea breezes. With maximum temperatures reaching up to 29°C (84°F) and an average of 22°C (73°F), the month provides a pleasant environment for outdoor activities. However, the region experiences 104 mm (4.1 in) of rainfall spread across 10 days, necessitating a flexible outdoor plan. Humidity hovers around 66%, adding a touch of warmth to the air. As summer gracefully transitions to autumn, Livorno beckons visitors to enjoy its vibrant coastal charm amidst its unique seasonal weather.

September Temperature in Livorno

In September, Livorno, Italy, experiences a delightful transition into autumn, with temperatures reflecting a cozy warmth that captures the essence of late summer. The minimum temperature hovers around 15°C (59°F), ensuring pleasant evenings, while the average elevates to a comfortable 22°C (73°F), perfect for exploring the city’s vibrant streets. As the month progresses, daytime highs can soar to 29°C (84°F), inviting sun-seekers to bask in the Italian sun a little longer. This gentle cooling signals a shift from the heat of July and August, making September an ideal time to enjoy the coastal beauty and rich culture of Livorno before the cooler months set in.

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

The chart illustrates September temperature patterns in Livorno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505253576472777872655853
Data source: Temperature data for Livorno 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 Livorno

In September, Livorno experiences a notable increase in precipitation, receiving 104 mm (4.1 in) of rain over 10 days. This surge marks a significant transition from the drier summer months, where August recorded a mere 26 mm (1.0 in) across only 4 days. As the city shifts into autumn, the rainfall not only replenishes the surrounding landscapes but also heralds a gradual preparation for the wetter months ahead, with October continuing this trend with 112 mm. This pattern underscores a clear seasonal shift in Livorno's climate, where September serves as a pivotal bridge between the warmth of summer and the impending rainier periods of fall and winter.

September Precipitation Trends in Livorno

The chart displays monthly precipitation patterns in Livorno, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6276587876333326104112171144
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Livorno

In September, Livorno, Italy experiences a noticeable shift in humidity, rising to 66% after the summer months, when levels reached their annual low of 55% in August. This transition marks the beginning of autumn, as humidity levels gradually climb again, mirroring the trend observed in previous years where humidity peaks in the winter months. As the weather cools, the increased moisture in the air can create a refreshing atmosphere, making September a comfortable time to enjoy the coastal beauty of Livorno before the wetter months set in. The overall trend reveals a steady decline in humidity from the start of the year until August, followed by a slight rebound in September, foreshadowing the return of the more humid conditions typical of the fall.

September Average Humidity in Livorno

This chart illustrates the average monthly humidity levels in Livorno, 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%68%70%69%62%57%55%66%79%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Livorno

As September arrives in Livorno, Italy, the UV Index settles at a high level of 7, with a burn time of 25 minutes. This marks a slight drop from the peak summer months, where the index soared to 10 in June, reflecting the very high exposure category that characterizes the intense sun of July and August. As the season transitions into autumn, the UV levels remain significant, reminding sun-seekers to remain vigilant, especially during midday hours. Those planning outdoor activities should ensure they’re adequately protected against UV rays to enjoy the beautiful early fall days. For detailed insights about the UV Index throughout the year, visit Livorno UV Index.

Maximum UV Index Levels in Livorno for September

The chart shows the monthly maximum UV Index (UVI) for Livorno 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.
JanFebMarAprMayJunJulAugSepOctNovDec2467810987532
Data source: Livorno 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 Livorno

As summer gracefully fades into autumn, September in Livorno, Italy, offers a delightful blend of warmth and tranquility. With 341 hours of sunshine, this month's golden rays herald the beginning of cooler days while still basking in the remnants of summer. Following the vibrant peaks of July and August, which boast 434 and 404 hours respectively, September's sunlight remains abundant but gently declines, reflecting the seasonal shift. Visitors can enjoy mild beach outings and scenic strolls along the picturesque coastline, as the fading summer warmth meets the crisp promise of fall. As the days grow shorter, Livorno's charm continues to shine, inviting both locals and travelers to savor every sunlit moment before autumn settles in.

Monthly Sunshine Duration in Livorno: September Highlighted

The September sunshine duration represents the total number of hours Livorno 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.
JanFebMarAprMayJunJulAugSepOctNovDec194h250h322h354h398h420h434h404h341h312h241h222h
Data source: Livorno September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Livorno During September

In September, Livorno, Italy enjoys a 59% chance of sunny weather, making it a delightful time to soak up the sun before autumn sets in. This month marks a slight dip from the summer peak in August, where residents and visitors revel in a 70% likelihood of sun. As the year progresses, the likelihood of sunny days begins to decline, transitioning from the high summer months to the milder fall climate. However, September still offers a pleasant balance, retaining more sun than the cooler months that follow, particularly as October brings a further decrease to 49%. This trend highlights September as an ideal time for outdoor activities and enjoying the lingering warmth of summer.

Percentage of Sunny Days in September in Livorno

The chart illustrates the percentage of sunny days in Livorno 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 Livorno experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%51%66%51%50%60%65%70%59%49%37%48%
Data source: Livorno September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Livorno in September

September in Livorno, Italy, marks a gentle transition as daylight begins to wane after the vibrant summer months. With approximately 12 hours of daylight, the city enjoys a balance between the sun-drenched days of July and August, which each boast 15 hours of light. This gradual decrease, leading into autumn, reflects nature's rhythm, as daylight hours diminish steadily from the early highs of spring and summer — starting from 11 hours in March and peaking at 15 hours in June and July before receding to 10 hours by October. As the days shorten, Livorno's picturesque landscape takes on a different charm, inviting locals and visitors alike to savor its slower-paced, sun-kissed afternoons.

Average Daylight Hours in Livorno for September

The chart illustrates the variation in daylight duration in Livorno throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 20m10h 29m11h 57m13h 26m14h 42m15h 21m15h13h 53m12h 27m10h 58m9h 39m8h 59m
Data source: Livorno daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Livorno

As September rolls into Livorno, Italy, the average wind speed settles at a gentle 3.3 m/s (7 mph), mirroring the calm breezes of August. This marks a notable decline from the more robust winds of earlier months, creating a serene atmosphere as the summer gradually wanes. Throughout the year, Livorno experiences its peak winds in January and November, reaching 5.0 m/s (11 mph) and 5.4 m/s (12 mph), respectively, while the summer months languish with the lightest gusts, notably June at just 2.8 m/s (6 mph). As the city transitions into autumn, the wind picks up again in October, hinting at a return to the brisk air. Overall, September offers a tranquil breath of wind, inviting visitors and locals alike to relish the lingering warmth of summer days in this picturesque coastal town.

Average September Wind Speed in Livorno

The chart displays monthly wind speed patterns in Livorno, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.04.43.83.84.42.83.43.33.3 m/s4.35.43.7
Data source: Livorno September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Livorno Compares to Other Months

The weather in Livorno 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 Livorno and find detailed weather information for every month.

September and January present a stark contrast in weather conditions. In September, temperatures range from a mild 15°C (59°F) at night to a warm 29°C (84°F) during the day, with an average temperature of 22°C (73°F). Although it's generally pleasant, the month experiences 104 mm (4.1 in) of precipitation over about 10 days, accompanied by a humidity level of 66%. In contrast, January brings much cooler weather, with temperatures dipping as low as 2°C (35°F) and peaking at 16°C (60°F), averaging around 10°C (50°F). Precipitation is lower at 62 mm (2.5 in) over 9 days, but humidity rises to 84%, contributing to a colder and often damp atmosphere. For more detailed information, you can check Livorno weather in January.

September and February present a striking contrast in weather patterns. In September, temperatures range from a mild 15°C (59°F) at night to a warm average of 22°C (73°F) during the day, peaking at a high of 29°C (84°F). The month also experiences 104 mm (4.1 in) of precipitation over about 10 days, accompanied by a humidity level of 66%. In contrast, February is much cooler, with minimum temperatures dropping to -1°C (31°F) and a daytime average of only 11°C (52°F), reaching a maximum of 16°C (61°F). Despite a slightly lower precipitation total of 76 mm (3.0 in) spread over 9 days, February's humidity is higher at 76%. For a more detailed look at February weather in Livorno, check out Livorno weather in February.

In comparing the weather between September and March, it is clear that September experiences warmer temperatures, with an average of 22°C (73°F) and maximums reaching up to 29°C (84°F), while March sees much cooler conditions, averaging just 12°C (53°F) and peaking at 18°C (64°F). Precipitation levels are higher in September, totaling 104 mm (4.1 in) over about 10 days, compared to March's 57 mm (2.3 in) across 8 days. Interestingly, while September has a lower humidity of 66%, March's humidity is slightly higher at 68%. For a more detailed look at March weather in Livorno, you can visit Livorno weather in March.

In September, the weather typically features warmer temperatures, with averages around 22°C (73°F) and maximums reaching up to 29°C (84°F). This month sees an average of 104 mm (4.1 in) of precipitation over about 10 days, contributing to a relatively humid atmosphere at 66%. In contrast, April experiences cooler conditions, with an average temperature of 14°C (58°F) and highs of 21°C (70°F). Precipitation is lower in April, totaling 78 mm (3.1 in) over 8 days, alongside slightly higher humidity at 70%. For more detailed insights, check out Livorno weather in April.

When comparing the weather in September and May, we find some distinct differences. September generally experiences warmer temperatures, with a minimum of 15°C (59°F), an average of 22°C (73°F), and a maximum of 29°C (84°F). In contrast, May is cooler, with temperatures ranging from a minimum of 10°C (49°F) to a maximum of 26°C (80°F) and an average of 18°C (64°F). September also sees slightly more precipitation, totaling 104 mm (4.1 in) over about 10 days, while May has 76 mm (3.0 in) over 11 days. Humidity levels are comparable, with September at 66% and May at 69%. For more details on May weather, you can refer to this link: Livorno weather in May.

In comparing the weather of September and June, we notice that September experiences slightly cooler temperatures overall, with a minimum of 15°C (59°F) and a maximum of 29°C (84°F), while June has a similar average of 22°C (72°F) but peaks at 30°C (86°F). Precipitation levels reveal a significant contrast; September sees 104 mm (4.1 in) of rain over about 10 days, making it a wetter month compared to June, which has only 33 mm (1.3 in) of rain over just 4 days. Humidity also differs slightly, with September at 66% and June at 62%, contributing to a more humid feel in September. For a closer look at the specifics of June weather, you can visit Livorno weather in June.

In comparing the weather between September and July, we can see some notable differences. September generally features milder temperatures, with a minimum of 15°C (59°F) and an average of 22°C (73°F), while July tends to be warmer, with temperatures ranging from a minimum of 20°C (68°F) to an average of 25°C (77°F). July also has slightly higher maximum temperatures, peaking at 30°C (86°F), compared to September's maximum of 29°C (84°F). However, September experiences significantly more rainfall, with 104 mm (4.1 in) over approximately 10 days, contrasting with July's 33 mm (1.3 in) spread across only 4 days. Additionally, September features higher humidity levels at 66%, compared to July's 57%. For more details on July's weather, you can visit Livorno weather in July.

In September, the weather begins to cool slightly, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 29°C (84°F), compared to August, which boasts higher average temperatures of 20°C (67°F) to 30°C (87°F). While September has an average temperature of 22°C (73°F), it is also marked by increased precipitation, totaling 104 mm (4.1 inches) over around 10 days, compared to just 26 mm (1.0 inch) over 4 days in August. Additionally, humidity levels rise in September to 66%, making it feel a bit muggy compared to the more comfortable 55% humidity in August. For a detailed look at the August weather, visit Livorno weather in August.

In comparing the weather of September and October, one can observe a noticeable shift in temperature and humidity. September boasts warmer conditions with average temperatures around 22°C (73°F), peaking at 29°C (84°F), while October cools down slightly with an average temperature of 19°C (66°F) and a maximum of 24°C (75°F). Both months experience significant rainfall, though October sees a slight increase in precipitation at 112 mm (4.4 in) over 11 days, compared to September's 104 mm (4.1 in) over 10 days. Additionally, October tends to be more humid, with humidity levels reaching 79%, up from September's 66%. For a more detailed overview of October weather, you can visit Livorno weather in October.

In September, the weather is mild and warm, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 29°C (84°F). This month experiences around 104 mm (4.1 in) of precipitation spread over approximately 10 days, alongside a moderate humidity level of 66%. In contrast, November brings cooler temperatures, with averages ranging from 8°C (46°F) to 20°C (68°F). The month is significantly wetter, recording 171 mm (6.7 in) of precipitation over 16 days and higher humidity at 84%. For a more detailed look at typical conditions, check out Livorno weather in November.

In September, the weather is generally warm with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 29°C (84°F) and an average of 22°C (73°F). This month experiences moderate rainfall, with about 104 mm (4.1 in) spread over 10 days and a humidity level of 66%. In contrast, December brings a significant drop in temperatures, averaging only 12°C (53°F) with a minimum of 6°C (42°F) and a maximum of 16°C (62°F). The precipitation also increases to 144 mm (5.7 in) over 15 days, accompanied by higher humidity at 83%. For a more detailed look at December weather in Livorno, check out Livorno weather in December.

Compare Livorno's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Livorno

As summer transitions into fall, September in Livorno brings a delightful mix of warm temperatures and refreshing breezes, making it a perfect time to explore the coastal beauty of Tuscany. With maximum averages around 29°C (84°F), days are still pleasantly warm, yet the evenings cool down to a comfortable 15°C (59°F), inviting outdoor activities without the heat of midsummer. Although there's some rainfall with about 10 days of precipitation, it contributes to the lush scenery rather than dampening the spirit of exploration. This month finds a sweet spot in terms of humidity – at 66%, it's manageable and allows for enjoyable experiences along the coast. For more detailed insights on the weather patterns throughout the year, visit Livorno Climate.