September Weather in La Spezia, Italy

Last updated: March 24, 2025

September in La Spezia, Italy offers a delightful blend of warmth and refreshing coastal breezes. With maximum temperatures reaching 28°C (83°F) and an average of 22°C (72°F), this month provides ideal weather for exploring the region's stunning landscapes. The evenings cool down pleasantly to a minimum of 16°C (60°F). While visitors can expect precipitation of about 129 mm (5.1 in) over 10 days, it adds to the lush greenery surrounding this picturesque town. With humidity levels around 70%, September invites both relaxation and adventure, making it a perfect time to soak in the beauty of La Spezia.

September Temperature in La Spezia

In September, La Spezia basks in a delightful transition from the warmth of summer to the cooler embrace of autumn. The temperatures are quite inviting, with minimums around 16°C (60°F) and averages peaking at 22°C (72°F), making it an ideal time for outdoor exploration. As days gradually shorten, highs can reach a pleasant 28°C (83°F), offering plenty of sunshine to enjoy the stunning coastal scenery. This month marks a sweet spot, where the lingering warmth meets the crispness of the forthcoming season, creating a perfect backdrop for enjoying the vibrant local culture and breathtaking landscapes.

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

The chart illustrates September temperature patterns in La Spezia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec515253586372767872665954
Data source: Temperature data for La Spezia generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in La Spezia

In September, La Spezia experiences a notable increase in precipitation, with 129 mm (5.1 in) of rainfall over 10 days. This marks a significant rise compared to the preceding summer months, where rainfall totals dipped to as low as 37 mm in July. The shift signals the onset of autumn, as the city's weather transitions from the dry warmth of summer to more frequent and intense showers reminiscent of the wetter months ahead. Interestingly, the trend shows that precipitation starts climbing again after a dip during the summer, setting the stage for the even heavier rains of October, which typically exceeds 200 mm. This persistent pattern highlights September as a pivotal month in La Spezia's climatology, bridging the seasonal divide with its increased rainfall.

September Precipitation Trends in La Spezia

The chart displays monthly precipitation patterns in La Spezia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89124113112110483750129204207205
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in La Spezia

September in La Spezia, Italy, wraps up the summer season with an average humidity of 70%, marking a slight increase from the drier months of July and August, which hovered around 69% and 68%, respectively. This gentle rise hints at the transition into autumn, where humidity levels gradually climb again, peaking at 80% by November. Over the year, humidity in La Spezia showcases a notable pattern: it generally remains on the higher side, with winter months often exceeding 75%. The gradual fluctuation from the summer’s lower humidity towards the winter’s richer moisture creates a dynamic climate that defines this picturesque coastal city.

September Average Humidity in La Spezia

This chart illustrates the average monthly humidity levels in La Spezia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%72%69%74%75%72%69%68%70%77%80%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in La Spezia

In September, La Spezia experiences a high UV Index of 7, indicating that while the sun is still strong, the peak of summer intensity has passed. With a burn time of 25 minutes, it's essential to remain cautious and protect your skin during outdoor activities. This month marks a transition from the very high UV levels seen in July and August, where readings reached 9. As autumn approaches, the index gradually declines to a moderate 5 by October, but until then, September continues to offer ample sunshine. Enjoy the beautiful coastal views, but don't forget your sunscreen! For a comprehensive look at UV Index trends throughout the year, visit La Spezia UV Index.

Maximum UV Index Levels in La Spezia for September

The chart shows the monthly maximum UV Index (UVI) for La Spezia 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.
JanFebMarAprMayJunJulAugSepOctNovDec236789987532
Data source: La Spezia 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 Spezia

September in La Spezia, Italy, offers a delightful blend of warmth and sunshine, with 342 hours of radiant daylight to enjoy. As summer begins to fade, this month still reflects the lingering vibrancy of July's peak sunshine at 432 hours, while gently transitioning towards the softer glow of autumn. The sunshine in September is a marked decline from the summer's intensity, yet it remains significantly brighter than the cooler months ahead, creating an inviting atmosphere for visitors to explore the charming coastal scenery and rich cultural heritage of the region. As days grow shorter, the beauty of La Spezia becomes increasingly enchanting, making it a perfect destination for those seeking a taste of the lingering summer sun.

Monthly Sunshine Duration in La Spezia: September Highlighted

The September sunshine duration represents the total number of hours La Spezia 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.
JanFebMarAprMayJunJulAugSepOctNovDec194h244h318h351h394h417h432h401h342h307h238h219h
Data source: La Spezia September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in La Spezia During September

As summer fades and autumn approaches, La Spezia experiences a favorable shift in weather, with September boasting a respectable 58% chance of sunny days. This figure represents a slight dip from the sunniest months of August and July, which both enjoy 65% sunshine, yet remains significantly higher than the earlier months of the year. With a vibrant Mediterranean climate, September offers a delightful blend of warmth and clear skies, making it an ideal time for outdoor activities and exploration. The likelihood of sunny weather sets the perfect backdrop for enjoying the picturesque landscapes and historic charm of this beautiful Italian coastal town.

Percentage of Sunny Days in September in La Spezia

The chart illustrates the percentage of sunny days in La Spezia 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 Spezia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%45%65%48%46%59%59%65%58%52%36%46%
Data source: La Spezia September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in La Spezia in September

As summer transitions into autumn, September in La Spezia, Italy, offers a delightful balance of daylight with approximately 12 hours of sunshine. This marks a gentle decline from the sun-drenched days of July and June, which bask in 15 hours of light, while still eclipsing the shorter days that follow in October. The month showcases a gradual shift in daylight, reflecting the changing seasons and inviting residents and visitors alike to savor the lingering warmth, vibrant sunsets, and the early hints of fall. As the days shorten, September maintains a welcoming glow, bridging the vibrant summer months with the cozy autumn ahead.

Average Daylight Hours in La Spezia for September

The chart illustrates the variation in daylight duration in La Spezia throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 17m10h 27m11h 56m13h 28m14h 45m15h 25m15h 4m13h 55m12h 27m10h 57m9h 37m8h 55m
Data source: La Spezia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in La Spezia

In September, La Spezia experiences a gentle breeze, with an average wind speed of 2.9 m/s (6 mph), continuing the subtle decline observed throughout the summer months. This softer wind contrasts with the more robust currents seen in the early part of the year, where speeds peaked at 4.6 m/s (10 mph) in January. As the season shifts towards autumn, the wind starts to pick up slightly again in October, hinting at the impending climatic changes. Overall, September ushers in a tranquil transition, offering a serene atmosphere perfect for enjoying the picturesque coastal views, while the town prepares for the brisker breezes to follow.

Average September Wind Speed in La Spezia

The chart displays monthly wind speed patterns in La Spezia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.63.93.43.23.72.53.12.82.9 m/s3.74.93.2
Data source: La Spezia September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in La Spezia Compares to Other Months

The weather in La Spezia 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 Spezia and find detailed weather information for every month.

In September, the weather is notably warmer with average temperatures ranging from a minimum of 16°C (60°F) to a maximum of 28°C (83°F), while January offers a significant drop, with averages between 4°C (39°F) and 16°C (61°F). September also experiences higher precipitation levels at 129 mm (5.1 in) over approximately 10 days, compared to January’s 89 mm (3.5 in) spread across 9 days. Additionally, the humidity is slightly lower in September at 70%, while January sees a higher humidity level of 80%. For more specific details on January weather, you can check La Spezia weather in January.

September weather in La Spezia is typically warm and inviting, with average temperatures ranging from 16°C (60°F) at night to a maximum of 28°C (83°F) during the day. The month experiences significant rainfall with around 129 mm (5.1 in) over about 10 days, alongside a humidity level of 70%, making the atmosphere feel quite muggy.

In contrast, February brings much cooler temperatures, with nightly lows of -1°C (31°F) and daytime highs reaching just 16°C (61°F). Although precipitation is slightly lower at 124 mm (4.9 in) spread over approximately 12 days, the humidity remains high at 72%. This stark difference in temperatures and overall atmospheric conditions showcases the transition from late summer warmth to winter's chill. For more detailed insights, you can visit La Spezia weather in February.

When comparing the weather in September and March, it's clear that there are notable differences. September typically enjoys milder temperatures, with averages around 22°C (72°F) and highs reaching up to 28°C (83°F), while March sees much cooler conditions, with average temperatures only at 12°C (54°F) and highs peaking at 19°C (66°F). Precipitation levels are somewhat similar, with September receiving 129 mm (5.1 in) over about 10 days compared to March's 113 mm (4.4 in) over 11 days. Humidity is slightly higher in September at 70%, compared to 69% in March, contributing to a more comfortable feel in the early autumn month. For more details about the weather during March, visit La Spezia weather in March.

Comparing the weather in September and April reveals distinct seasonal differences. In September, temperatures range from a minimum of 16°C (60°F) to a maximum of 28°C (83°F), with an average of 22°C (72°F), making it significantly warmer than April, where the temperatures hover between 7°C (45°F) and 21°C (71°F) with an average of 14°C (58°F). Although September experiences more rainfall at 129 mm (5.1 in) over 10 days compared to April's 111 mm (4.4 in) over 8 days, the humidity is slightly lower in September at 70% versus April's 74%. For more detailed insights, check out La Spezia weather in April.

When comparing the weather in September and May, one can observe notable differences in both temperature and precipitation patterns. September enjoys warmer temperatures, with averages around 22°C (72°F) and highs reaching up to 28°C (83°F), while May sees cooler averages of 17°C (64°F) and highs of 26°C (80°F). Although September is generally warmer, it experiences a higher level of precipitation, totaling 129 mm (5.1 in) over about 10 days, compared to May, which records 110 mm (4.3 in) across 12 days. Additionally, humidity levels are slightly higher in May at 75%, compared to 70% in September. For a detailed look at how May weather impacts the region, you can check out La Spezia weather in May.

In comparing the weather between September and June, we find some similarities and differences. Both months share a minimum temperature of around 16°C (60-61°F) and an average of 22°C (72°F). However, June typically reaches a higher maximum temperature of 30°C (86°F), while September peaks at 28°C (83°F). Precipitation levels also differ significantly; September sees 129 mm (5.1 in) of rain over about 10 days, making it much wetter than June, which experiences only 48 mm (1.9 in) over 6 days. Humidity levels are relatively close, with September at 70% and June slightly higher at 72%. For more detailed insights, you can visit La Spezia weather in June.

When comparing the weather in September and July, several notable differences emerge. September experiences slightly cooler temperatures, with averages around 22°C (72°F) compared to July's warmer average of 24°C (76°F). July sees higher maximum temperatures of 30°C (86°F), while September peaks at 28°C (83°F). Additionally, September tends to be wetter, receiving 129 mm (5.1 in) of precipitation over about 10 days, in contrast to July's relatively dry climate, which records only 37 mm (1.5 in) over 6 days. Humidity levels are quite similar, averaging 70% in September and 69% in July. For more details about July weather, you can visit La Spezia weather in July.

In comparing the weather between August and September, we see a noticeable transition. August tends to be warmer, with average temperatures reaching 25°C (78°F) and maximums hitting 30°C (86°F), while September sees a slight cooldown with averages of 22°C (72°F) and maximums of 28°C (83°F). Additionally, September experiences increased rainfall, recording 129 mm (5.1 in) over 10 days compared to August's more moderate 50 mm (2.0 in) across just 4 days. Humidity levels are relatively similar, with September at 70% and August slightly lower at 68%. For more details, you can check La Spezia weather in August.

In September, temperatures in La Spezia range from a mild 16°C (60°F) to a warm 28°C (83°F), with an average of 22°C (72°F). The month experiences around 129 mm (5.1 in) of precipitation over approximately 10 days, and humidity levels sit at 70%. In contrast, October brings cooler temperatures, with minimums of 13°C (56°F) and maximums of 24°C (76°F), averaging 19°C (66°F). This month sees an increase in rainfall, accumulating 204 mm (8.0 in) over 11 days, and humidity rises slightly to 77%. For more detailed information on October weather, visit La Spezia weather in October.

September and November exhibit notable differences in weather patterns. In September, temperatures are milder, with averages around 22°C (72°F) and a maximum of 28°C (83°F), while November sees cooler conditions, with average temperatures dropping to 15°C (59°F) and a maximum of 21°C (69°F). Additionally, September experiences about 129 mm (5.1 in) of precipitation over 10 days, compared to November's increased rainfall of 207 mm (8.1 in) spread over 16 days. Humidity levels also rise slightly in November, reaching 80%, compared to 70% in September. For more insights into November's weather, you can explore La Spezia weather in November.

September and December present markedly different weather conditions. In September, temperatures range from a pleasant minimum of 16°C (60°F) to a maximum of 28°C (83°F), with an average of 22°C (72°F). The month sees about 129 mm (5.1 in) of precipitation over roughly 10 days, while humidity hovers around 70%. In contrast, December brings cooler temperatures, with a minimum of 7°C (45°F), an average of 12°C (54°F), and a maximum of 17°C (63°F). This month is also wetter, with 205 mm (8.1 in) of precipitation spread over 16 days, and humidity rises to 76%. For more specifics on conditions this time of year, you can check out La Spezia weather in December.

Compare La Spezia's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in La Spezia

September in La Spezia ushers in a gentle transition from the warmth of summer to the cooler embrace of autumn. With average temperatures hovering around 22°C (72°F), it offers a perfect balance for outdoor exploration, unlike the scorching heat experienced in July and August. While precipitation is relatively moderate, with around 10 days of rain, the overall humidity sits comfortably at 70%, making the air feel fresh and invigorating. This month is ideal for those looking to enjoy pleasant weather without the bustling crowds of peak summer. For a deeper dive into La Spezia’s atmospheric patterns, explore La Spezia Climate.