September Weather in Monterosso al Mare, Italy

Last updated: March 24, 2025

In Monterosso al Mare, Italy, September offers a delightful mix of warm days and cooler evenings, making it a perfect time to explore this picturesque coastal town. With maximum temperatures reaching up to 29°C (85°F) and an average of 19°C (67°F), visitors can enjoy sun-drenched days, while the nights bring a refreshing coolness. However, be prepared for some rain, as the month sees an average of 116 mm (4.6 in) of precipitation over 10 days. The prevailing humidity of 74% can add a touch of stickiness to the air, but the beautiful scenery and vibrant atmosphere more than compensate for it. September in Monterosso al Mare is a unique blend of sunshine and occasional showers, making it a charming destination for travelers.

September Temperature in Monterosso al Mare

In Monterosso al Mare, September marks a delightful transition as summer gently yields to the crisp embrace of autumn. With minimum temperatures around 7°C (45°F) and averages resting at a comfortable 19°C (67°F), visitors can enjoy mild days ideal for exploring the charming coastal trails. The daytime highs can still reach up to 29°C (85°F), offering plenty of warmth for sunbathing and swimming. As the month progresses, the heat gradually tapers off, hinting at the cooler seasons ahead. This blend of warmth combined with the onset of fall creates perfect weather for those eager to savor the stunning landscapes and vibrant culture of this picturesque Italian gem.

September Weather in Monterosso al Mare: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Monterosso al Mare, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424548546068727466585144
Data source: Temperature data for Monterosso al Mare 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 Monterosso al Mare

In September, Monterosso al Mare experiences a moderate increase in precipitation, with 116 mm (4.6 in) of rainfall recorded over the course of 10 days. This marks a notable shift from the drier summer months, as the region transitions into the wetter autumn season. Comparatively, the rainfall in September is higher than the preceding months of July and August, which saw only 43 mm (1.7 in) and 52 mm (2.0 in), respectively. September's precipitation serves as an early indication of October's typically heavier rainfall, which averages 183 mm and often brings a refreshing change to the landscape. The increased rainfall not only supports the lush greenery of the Cinque Terre region but also enhances the picturesque charm of Monterosso, inviting visitors to experience its vibrant autumn atmosphere.

September Precipitation Trends in Monterosso al Mare

The chart displays monthly precipitation patterns in Monterosso al Mare, 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.
JanFebMarAprMayJunJulAugSepOctNovDec69135128117139574352117183198209
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Monterosso al Mare

September in Monterosso al Mare, Italy, marks a subtle return to higher humidity levels after the drier summer months. With an average humidity of 74%, this coastal gem experiences a slight uptick compared to August's low of 64%, signaling the transition towards the cooler autumn months. The trend highlights a refreshing, yet still comfortable, humidity that enhances the charm of this picturesque village, inviting visitors to enjoy the lush landscapes and vibrant local culture before the rainy season settles in. As October approaches, humidity forecasts a significant rise to 87%, further indicating the unique climatological rhythm of this beautiful Italian locale.

September Average Humidity in Monterosso al Mare

This chart illustrates the average monthly humidity levels in Monterosso al Mare, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%81%76%77%74%71%67%64%74%87%88%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Monterosso al Mare

In Monterosso al Mare, Italy, the September UV Index reflects a notable trend as summer wanes. With a UV Index of 7, categorized as high, sun-seekers should be cautious, as the burn time drops to 25 minutes. This marks a gradual decrease from the intense very high levels of 9 experienced during the peak summer months of June, July, and August. As autumn approaches, the risk of sunburn persists, although it's less severe than the scorching heights of summer. For safe sun exposure, it’s essential to stay vigilant, especially during midday hours. To explore more about the UV exposure in this beautiful coastal town, visit Monterosso al Mare UV Index.

Maximum UV Index Levels in Monterosso al Mare for September

The chart shows the monthly maximum UV Index (UVI) for Monterosso al Mare 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.
JanFebMarAprMayJunJulAugSepOctNovDec246789997532
Data source: Monterosso al Mare 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 Monterosso al Mare

As summer fades into autumn, September in Monterosso al Mare still carries the warmth of sun-soaked days, boasting an impressive 339 hours of sunshine. This month beautifully bridges the gap between the bustling summer season and the serene charm of fall, as daylight begins to wane yet remains abundant. Following the peak of July, with its breathtaking 429 hours, sunshine starts to gently decline, echoing the gradual transition of nature. Visitors in September can relish in the lingering warmth of earlier months while enjoying smaller crowds and a vibrant coastal landscape, making it a perfect time to explore this stunning Italian gem.

Monthly Sunshine Duration in Monterosso al Mare: September Highlighted

The September sunshine duration represents the total number of hours Monterosso al Mare 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.
JanFebMarAprMayJunJulAugSepOctNovDec188h232h311h348h385h415h429h399h339h299h227h211h
Data source: Monterosso al Mare September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Monterosso al Mare During September

In Monterosso al Mare, Italy, September stands out with a 52% chance of sunny weather, making it one of the more promising months for sun-seekers. This month enjoys a favorable position in the annual weather pattern, as it follows the sunnier days of August, which boasts a 59% likelihood of sunshine. Interestingly, while the sun peaks in late summer, it’s notable that September's chance remains relatively high compared to the earlier months of the year, providing a delightful transition into the fall. As autumn approaches, tourists can still revel in the warmth and beauty of this coastal gem, reflecting the lingering charm of summer.

Percentage of Sunny Days in September in Monterosso al Mare

The chart illustrates the percentage of sunny days in Monterosso al Mare 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 Monterosso al Mare experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%42%58%44%34%54%54%59%52%49%34%42%
Data source: Monterosso al Mare September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Monterosso al Mare in September

As September unfolds in Monterosso al Mare, daylight begins to wane, transitioning from the summer's peak brightness to the more subdued autumn months. With 12 hours of daylight, this coastal gem retains a generous amount of sun, though it's noticeably less than the 15 hours enjoyed during the height of summer in June and July. The gradual decrease serves as a gentle reminder of the changing seasons, as daylight hours linger just two hours longer than the earlier winter months. Following a vibrant summer, September invites residents and visitors alike to relish in the lingering warmth and beauty, while also heralding the crispness of fall on the horizon.

Average Daylight Hours in Monterosso al Mare for September

The chart illustrates the variation in daylight duration in Monterosso al Mare throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 16m10h 27m11h 56m13h 28m14h 46m15h 26m15h 5m13h 55m12h 27m10h 56m9h 36m8h 54m
Data source: Monterosso al Mare daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Monterosso al Mare

As the summer fades into autumn in Monterosso al Mare, September greets us with a gentle average wind speed of 1.6 m/s (4 mph), marking a notable shift from the warmth of the preceding months. While typically, the winds begin to pick up in October and November, September's breezy whispers create a serene atmosphere, perfect for leisurely strolls along the coastline. This gradual decline in wind intensity, observed since the peak month of May, suggests a tranquil transition as the region prepares for the cooler months ahead. Visitors can relish in the soft caress of the September breeze, the air infused with the scents of the sea and the promise of a picturesque Italian fall.

Average September Wind Speed in Monterosso al Mare

The chart displays monthly wind speed patterns in Monterosso al Mare, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.32.01.92.31.61.91.91.6 m/s2.42.81.9
Data source: Monterosso al Mare September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Monterosso al Mare Compares to Other Months

The weather in Monterosso al Mare 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 Monterosso al Mare and find detailed weather information for every month.

September and January present contrasting weather conditions. In September, temperatures range from a mild 7°C (45°F) at night to a warm 29°C (85°F) during the day, with an average temperature of 19°C (67°F). The month experiences relatively high humidity at 74% and considerable precipitation of 116 mm (4.6 in) over about 10 days. In stark contrast, January brings much colder temperatures, with a minimum of -4°C (25°F) and a maximum of 14°C (58°F), averaging just 6°C (43°F). Although January features lower precipitation at 69 mm (2.7 in) over 9 days, it has higher humidity levels at 88%. For a more detailed look at January weather, visit Monterosso al Mare weather in January.

September and February present contrasting weather patterns in Monterosso al Mare. September boasts a milder min temperature of 7°C (45°F) and an average of 19°C (67°F), with highs reaching up to 29°C (85°F). Conversely, February sees much colder conditions, with minimum temperatures dropping to -6°C (21°F) and an average of just 7°C (46°F), peaking at 18°C (64°F).

Precipitation is more frequent in February, totaling 135 mm (5.3 in) over 12 days, compared to September’s 116 mm (4.6 in) over 10 days. Additionally, humidity is slightly higher in February at 81%, compared to 74% in September. For a closer look at February's weather specifics, you can explore Monterosso al Mare weather in February.

In September, the weather is typically warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F) and an average of 19°C (67°F). The month experiences substantial rainfall, with 116 mm (4.6 in) of precipitation spread over 10 days and humidity levels around 74%. In contrast, March brings cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 20°C (69°F), averaging at 9°C (48°F). This month sees slightly higher precipitation at 128 mm (5.0 in) over 11 days, accompanied by a humidity level of 76%. These differences highlight the transition from the warmth of late summer in September to the chill of early spring in March. For more details on March weather specifically, you can check Monterosso al Mare weather in March.

When comparing the weather in September and April, notable differences emerge. September generally showcases warmer temperatures, with averages around 19°C (67°F) and maximums reaching up to 29°C (85°F), whereas April tends to be cooler, with averages of 12°C (54°F) and max temperatures peaking at 25°C (77°F). Both months receive similar amounts of precipitation, around 116 mm (4.6 in), spread over approximately 10 days; however, September is slightly less humid at 74%, compared to April’s higher humidity levels of 77%. To explore more about April's weather characteristics, visit Monterosso al Mare weather in April.

When comparing the weather in September and May, both months exhibit mild temperatures with similar maximums reaching up to 29°C (85°F). However, September typically has a slightly higher average temperature of 19°C (67°F) compared to May's 16°C (60°F). Rainfall is more frequent in May, with precipitation recorded on 15 days and a total of 139 mm (5.5 in), surpassing September's 116 mm (4.6 in) across 10 days. Humidity remains consistent at 74% for both months, creating a humid atmosphere throughout. For more specific details about May weather, you can check Monterosso al Mare weather in May.

In comparing the weather of September and June, September tends to be slightly cooler with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), while June sees slightly warmer conditions, with temperatures from a minimum of 10°C (51°F) to a maximum of 31°C (89°F). Precipitation is noticeably higher in September, accumulating to 116 mm (4.6 in) over 10 days, compared to June's 57 mm (2.2 in) over just 9 days. Despite the higher rainfall in September, humidity levels are somewhat comparable, with September at 74% and June at 71%. For more specifics on June's climate, you can check out Monterosso al Mare weather in June.

In comparison to July, September presents a notable shift in weather patterns. While July features warmer temperatures, with a minimum of 14°C (57°F) and a maximum of 33°C (92°F), September sees cooler ranges, with temperatures dropping to a minimum of 7°C (45°F) and peaking at 29°C (85°F). Precipitation also increases significantly in September, averaging 116 mm (4.6 in) over about 10 days, compared to July's lighter rainfall of 43 mm (1.7 in) spread over just 6 days. Additionally, humidity levels are higher in September at 74%, while July maintains a relatively lower humidity of 67%. For those interested in a detailed breakdown of July weather, you can explore Monterosso al Mare weather in July.

In comparing the weather between August and September, it becomes clear that September sees a drop in temperature, with minimums averaging 7°C (45°F) compared to August's warmer lows of 13°C (56°F). The average temperature in September is 19°C (67°F), cooler than August's 23°C (74°F), while maximums also decrease from 32°C (90°F) in August to a high of 29°C (85°F) in September. Additionally, September is wetter, experiencing 116 mm (4.6 in) of precipitation over 10 days, whereas August has only 52 mm (2.0 in) of rain over 6 days. Humidity is higher in September at 74%, compared to 64% in August. For more insights on August weather in this region, visit Monterosso al Mare weather in August.

September and October present a notable shift in weather patterns. In September, temperatures range from a minimum of 7°C (45°F) to a pleasant average of 19°C (67°F), peaking at 29°C (85°F). This month sees an average of 116 mm (4.6 in) of precipitation over about 10 days, with a humidity level of 74%. In contrast, October experiences cooler conditions, with minimum temperatures dropping to 5°C (42°F) and an average of 15°C (59°F), while the maximum temperature reaches 23°C (74°F). Precipitation increases significantly to 183 mm (7.2 in) over approximately 12 days, accompanied by higher humidity at 87%. For more detailed insights, you can explore Monterosso al Mare weather in October.

September and November present distinctly different weather patterns. In September, temperatures range from a mild 7°C (45°F) at night to a warm 29°C (85°F) during the day, with an average of 19°C (67°F). The month experiences some rainfall, totaling 116 mm (4.6 in) over about 10 days, while humidity sits at 74%. In contrast, November brings much cooler temperatures, with lows dropping to 1°C (33°F) and an average of 10°C (51°F), peaking at 18°C (65°F). This month sees an increase in precipitation, averaging 198 mm (7.8 in) over 14 days, and higher humidity levels at 88%. For a detailed look at how the weather unfolds in November, check out Monterosso al Mare weather in November.

September and December present contrasting weather patterns in Monterosso al Mare. In September, temperatures are milder, with a minimum of 7°C (45°F) and an average of 19°C (67°F), peaking at 29°C (85°F). Precipitation is moderate at 116 mm (4.6 in) over about 10 days, with humidity at 74%. In stark comparison, December experiences much colder temperatures, with a minimum of -1°C (31°F) and an average of 7°C (45°F), reaching a maximum of only 16°C (61°F). The month is also significantly wetter, receiving 209 mm (8.2 in) of rain over 16 days and higher humidity at 85%. For a deeper look into December's weather, visit Monterosso al Mare weather in December.

Compare Monterosso al Mare's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Monterosso al Mare

As summer draws to a close, September in Monterosso al Mare offers a delightful transition with warm days and cooler evenings. Unlike the peak summer months, when temperatures often soar, September features a more moderate average temperature, allowing visitors to enjoy the stunning coastal views without the intense heat. However, with about ten days of precipitation, this month can be a bit wetter compared to the dryness of July and August. The humidity remains relatively high, creating a comfortable atmosphere for both locals and tourists. For more information about the weather patterns and trends in this charming coastal village, check out Monterosso al Mare Climate.