September Weather in Vietri sul Mare, Italy

Last updated: March 24, 2025

Experience the enchanting September weather in Vietri sul Mare, Italy, where the Mediterranean charm thrives. This month boasts a maximum temperature of 29°C (85°F) and a comfortable average of 21°C (71°F), providing the perfect backdrop for exploration and relaxation. While the minimum temperature dips to 12°C (54°F), the pleasant warmth invites outdoor activities. Expect 106 mm (4.2 in) of rainfall over 11 days, characteristic of the region's transition to autumn, coupled with a humidity level of 65% that enhances the coastal atmosphere. Embrace vibrant days and mild evenings in this picturesque seaside town, making September an ideal time to visit.

September Temperature in Vietri sul Mare

In September, Vietri sul Mare basks in a delightful transition from the sweltering summer heat, offering a refreshing Mediterranean climate. With minimum temperatures around 12°C (54°F) and averages reaching 21°C (71°F), it’s a perfect month to enjoy outdoor activities. The maximum temperature can peak at an inviting 29°C (85°F), making beach days and scenic hikes particularly enjoyable. As the month progresses, a gentle coolness begins to replace the summer warmth, hinting at the autumn months ahead. This trend showcases September as a harmonious blend of warm sun and pleasant breezes, ideal for soaking in the beauty of this coastal gem.

September Weather in Vietri sul Mare: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Vietri sul Mare, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec464950556271757770635750
Data source: Temperature data for Vietri sul 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 Vietri sul Mare

September in Vietri sul Mare sees a notable shift in precipitation patterns, with 106 mm (4.2 in) of rainfall that marks a transition into the wetter autumn months. This month experiences around 11 rainy days, similar to the earlier months of the year like January and March, signaling a break from the typically dry summer. As the last vestiges of summer linger, September's rainfall begins to pave the way for the significantly wetter months ahead, such as November, which often brings 278 mm (10.9 in) of rain. This increase not only enriches the lush landscapes but also highlights a cyclical trend of rising precipitation that accompanies the changing seasons in this picturesque coastal region.

September Precipitation Trends in Vietri sul Mare

The chart displays monthly precipitation patterns in Vietri sul 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.
JanFebMarAprMayJunJulAugSepOctNovDec1361531276885302128106116278245
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vietri sul Mare

As summer transitions into autumn, September in Vietri sul Mare brings a noticeable shift in humidity levels, averaging a comfortable 65%. This marks a modest rise from the drier months of July and August, which reported 57% and 53% respectively. The lingering warmth of summer still influences the climate, yet it gradually gives way to the increased humidity of the fall months. Following September, humidity climbs again in October to 75%, reflecting the region's natural rhythm as it prepares for the wetter winter months. Overall, September's humidity strikes a balance, offering a pleasant reprieve while hinting at the wetter days ahead.

September Average Humidity in Vietri sul Mare

This chart illustrates the average monthly humidity levels in Vietri sul 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.
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 Vietri sul Mare

In September, Vietri sul Mare experiences an UV Index of 8, placing it in the very high exposure category. With a burn time of only 15 minutes, it's crucial for residents and visitors alike to take precautions against sun exposure. Following the summer months, where UV levels peaked at 10, September signals a slight decrease, yet the intensity remains significant just before autumn sets in. This trend showcases the need for continued sun safety measures, reminding everyone to stay vigilant and protected while enjoying the stunning coastal views. For more detailed information, visit Vietri sul Mare UV Index.

Maximum UV Index Levels in Vietri sul Mare for September

The chart shows the monthly maximum UV Index (UVI) for Vietri sul 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.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Vietri sul 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 Vietri sul Mare

September in Vietri sul Mare, Italy, offers a delightful balance of sunshine, basking in 333 hours of golden rays. As summer gradually transitions into autumn, the sun-drenched days in September remain abundant, although slightly less intense than the peak summer months of July and August, which boast 422 and 395 hours, respectively. This gentle decline, however, is far from disappointing; instead, it sets a picturesque stage for leisurely strolls along the stunning Amalfi coast or quiet afternoons at the beach, as the crowds begin to dwindle. Following the vibrant summer, September gives way to a tranquil charm, still filled with warmth, making it a perfect time to embrace the lingering sunshine before autumn fully takes hold.

Monthly Sunshine Duration in Vietri sul Mare: September Highlighted

The September sunshine duration represents the total number of hours Vietri sul 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.
JanFebMarAprMayJunJulAugSepOctNovDec183h237h306h347h384h404h422h395h333h305h230h226h
Data source: Vietri sul Mare September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vietri sul Mare During September

In Vietri sul Mare, September presents a promising outlook for sunny weather, with a 55% chance of sunshine. This marks a slight decline from the peak summer months of July and August, which boast a robust 78% chance of sunny days. However, it remains a significant improvement over the earlier months, such as April and May, where the chances hover around the mid-40s. As summer transitions into autumn, September strikes a balance, offering pleasant sunny days while hinting at the cooler, cloudier months ahead. For those looking to enjoy the beautiful Amalfi Coast in early fall, September is a delightful option that still carries the essence of summer.

Percentage of Sunny Days in September in Vietri sul Mare

The chart illustrates the percentage of sunny days in Vietri sul 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 Vietri sul Mare experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%53%54%45%47%60%78%78%55%41%28%43%
Data source: Vietri sul Mare September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vietri sul Mare in September

As summer transitions into autumn in Vietri sul Mare, Italy, September brings a gentle decline in daylight, with 12 hours of sunlight illuminating the charming coastal town. Following the peak of 15 hours in June, daylight gradually tapers off, marking a shift in the rhythm of daily life. While the nights grow longer, the days still retain a substantial glow, reminiscent of the vibrant warmth that lingers from the previous months. This pattern of diminishing light continues into October, where daylight further shrinks to 11 hours, signaling the closeness of winter. As autumn continues to unfold, the gradual reduction in daylight invites an enchanting ambiance, perfect for savoring the beauty of the changing season.

Average Daylight Hours in Vietri sul Mare for September

The chart illustrates the variation in daylight duration in Vietri sul 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 36m10h 38m11h 57m13h 18m14h 27m15h 1m14h 43m13h 42m12h 25m11h 4m9h 54m9h 17m
Data source: Vietri sul Mare daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Vietri sul Mare

As September unfolds in Vietri sul Mare, Italy, the coastal breeze begins to ease, with average wind speeds dipping to 2.2 m/s (5 mph). This gentle wind creates a serene atmosphere, perfect for leisurely strolls along the picturesque shoreline. Following the summer months, which saw slightly stronger breezes, September presents a transition into a calmer autumn environment. The gradual decrease in wind speeds throughout the summer and into early fall reflects a tranquil ambiance, inviting both locals and travelers to enjoy the breathtaking views and lingering warmth of the Mediterranean sun. As October approaches, the winds pick up again to 3.3 m/s (7 mph), hinting at the seasonal shift ahead while still preserving the charm of late summer in this enchanting coastal village.

Average September Wind Speed in Vietri sul Mare

The chart displays monthly wind speed patterns in Vietri sul 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.23.23.33.12.52.02.12.42.2 m/s3.33.53.7
Data source: Vietri sul Mare September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Vietri sul Mare Compares to Other Months

The weather in Vietri sul 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 Vietri sul Mare and find detailed weather information for every month.

September and January present strikingly different weather patterns. In September, temperatures range from a mild 12°C (54°F) at night to a warm 29°C (85°F) during the day, with an average of 21°C (71°F). The month experiences moderate precipitation, totaling 106 mm (4.2 in) over about 11 days, and has a humidity level of 65%, creating a comfortable yet slightly humid atmosphere.

In contrast, January is much colder, with temperatures dipping as low as -4°C (25°F) at night and reaching a maximum of 18°C (65°F) during the day, averaging only 8°C (47°F). Precipitation increases slightly to 136 mm (5.3 in) over 12 days and the humidity rises to 84%, making the winter months feel much wetter and chillier. For more detailed information, you can check out Vietri sul Mare weather in January.

September and February present strikingly different weather patterns. In September, temperatures range from a mild 12°C (54°F) at night to a warm 29°C (85°F) during the day, with an average of 21°C (71°F). The month also sees moderate rainfall with 106 mm (4.2 in) spread over 11 days and humidity around 65%. In contrast, February is significantly cooler, with temperatures dropping to a minimum of -2°C (29°F) and a maximum of 17°C (63°F), averaging just 9°C (49°F). This month experiences even higher precipitation, totaling 153 mm (6.0 in) and also stretching across 11 days, while the humidity rises to 76%. For a more detailed look at February weather, you can check Vietri sul Mare weather in February.

In comparing the weather between September and March, notable differences emerge. September boasts a milder climate with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (85°F), while March experiences considerably cooler temperatures, with lows dropping to -4°C (26°F) and highs reaching only 19°C (66°F). Despite September having slightly less precipitation at 106 mm, it rains on about 11 days, compared to March’s 127 mm over 12 days. Additionally, humidity levels are slightly higher in March at 69%, compared to September's 65%. For a more detailed look at March weather conditions, you can check out Vietri sul Mare weather in March.

When comparing the weather in September and April, it’s clear that September is generally warmer and wetter. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 29°C (85°F), with an average temperature of 21°C (71°F). The month sees significant precipitation, totaling 106 mm (4.2 inches) over 11 days, while the humidity sits around 65%. In contrast, April experiences cooler temperatures, with a minimum of 3°C (38°F) and an average of 13°C (56°F), peaking at 26°C (79°F). Precipitation in April is lower, at 68 mm (2.7 inches) over the same number of rainy days, though the humidity is slightly higher at 70%. For more detailed weather information, you can visit Vietri sul Mare weather in April.

In comparing the weather of September and May, September tends to be warmer overall, with average temperatures reaching 21°C (71°F) compared to May's average of 17°C (62°F). While both months share the same number of rainy days at 11, September experiences slightly higher precipitation levels at 106 mm (4.2 in) versus May's 85 mm (3.3 in). Additionally, humidity levels are slightly elevated in May at 70%, compared to 65% in September. For a detailed look at May weather, you can check out Vietri sul Mare weather in May.

When comparing the weather in September and June, both months share a similar average temperature of 21°C (71°F), making them quite comfortable. However, September tends to be slightly warmer with maximum temperatures reaching 29°C (85°F), compared to June's peak of 30°C (87°F). Rainfall also differs significantly, with September experiencing 106 mm (4.2 in) over 11 days, while June enjoys much drier conditions with only 30 mm (1.2 in) spread across 5 days. Additionally, humidity levels in September are a bit higher at 65%, compared to June's 61%. For those interested in more detailed information, check Vietri sul Mare weather in June.

When comparing the weather in September and July, notable differences emerge. September sees cooler temperatures with a minimum of 12°C (54°F) and an average of 21°C (71°F), whereas July offers warmer conditions, featuring a minimum of 18°C (64°F) and an average of 24°C (76°F). Additionally, July typically experiences less precipitation, with only 21 mm (0.8 in) over 3 days, compared to September's 106 mm (4.2 in) spread over 11 days. While July enjoys lower humidity at 57%, September's humidity is higher at 65%, contributing to a different overall feel. For more detailed insights on July weather, check out Vietri sul Mare weather in July.

In comparing the weather between September and August, September experiences cooler temperatures with a minimum of 12°C (54°F) and an average of 21°C (71°F), whereas August boasts higher temperatures, reaching a minimum of 18°C (64°F) and an average of 25°C (77°F). Additionally, September sees significantly more rainfall, with 106 mm (4.2 inches) of precipitation over 11 days, compared to August’s mild 28 mm (1.1 inches) over just 5 days. The humidity also rises in September to 65%, contrasting with August's lower humidity level of 53%. For more details about August weather specifically, you can visit Vietri sul Mare weather in August.

September and October exhibit noticeable shifts in weather patterns as the seasons transition. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 29°C (85°F), with an average of 21°C (71°F). The month includes 11 days of precipitation, totaling 106 mm (4.2 in) and a humidity level of 65%. In contrast, October sees a slight decrease in temperatures, with lows of 10°C (50°F) and highs reaching 25°C (78°F), resulting in a cooler average of 17°C (63°F). While October has a similar number of wet days (10), it experiences slightly increased precipitation at 116 mm (4.6 in) and a rise in humidity to 75%. For more details on specific conditions, check Vietri sul Mare weather in October.

September's weather is notably warmer, with average temperatures reaching up to 21°C (71°F) and maximums climbing to 29°C (85°F). The humidity is moderate at 65%, and while September sees 106 mm (4.2 in) of precipitation over 11 days, it still feels relatively pleasant. In contrast, November brings a significant drop in temperatures, with an average of 14°C (57°F) and minimums dipping to 3°C (38°F). The month is much wetter, experiencing 278 mm (10.9 in) of precipitation across 16 days and higher humidity at 81%. For more detailed insights, you can visit Vietri sul Mare weather in November.

In September, the weather is generally warm and pleasant, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (85°F) and an average of 21°C (71°F). The month experiences moderate rainfall of 106 mm (4.2 in) over about 11 days, accompanied by a humidity level of 65%. In contrast, December brings significantly cooler temperatures, with a minimum of 2°C (36°F), an average of 10°C (50°F), and a maximum of only 17°C (62°F). This month also sees an increase in precipitation, totaling 245 mm (9.6 in) over 16 days, alongside higher humidity levels of 84%. The shift from the warmth of September to the chill of December highlights the seasonal transition in weather patterns. For more insights on the December climate in this region, you can check out Vietri sul Mare weather in December.

Compare Vietri sul Mare's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Vietri sul Mare

As summer bids farewell, September in Vietri sul Mare brings a delightful transition characterized by mild temperatures and occasional rain. With average highs around 21°C, the warmth of summer lingers but gives way to cooler evenings, making it a comfortable time to explore this beautiful coastal town. While humidity stays moderate, the likelihood of rain increases slightly, resulting in about 11 days of precipitation. This shift not only refreshes the landscape but also offers a balance between sunshine and shorter, soothing showers. For those looking to understand the full range of weather patterns throughout the year, visit Vietri sul Mare Climate.