September Weather in Castellabate, Italy

Last updated: March 24, 2025

September in Castellabate, Italy offers a delightful blend of warm temperatures and refreshing coastal breezes. With daytime maximums reaching 29°C (84°F) and an average temperature of 23°C (73°F), visitors can enjoy pleasant weather perfect for exploring the charming town. The nights cool down to a comfortable 14°C (58°F), providing a lovely contrast. However, travelers should be prepared for occasional rain, as the month experiences 89 mm (3.5 in) of precipitation over 9 days. Humidity hovers around 65%, making the warmth feel invigorating as the last days of summer transition into autumn. Embrace the beauty and tranquility of Castellabate this September!

September Temperature in Castellabate

September in Castellabate, Italy ushers in a delightful transition as summer waves goodbye. With minimum temperatures settling at a comfortable 14°C (58°F) and averages reaching a pleasant 23°C (73°F), days remain warm and inviting. The maximum temperatures peak at a delightful 29°C (84°F), offering a gentle warmth that allows for lingering outdoor activities. This month signals the gradual cooling down from the sweltering heat of August, where temperatures soared higher, and introduces a more moderate climate that is perfect for exploring the stunning Amalfi coastline without the summer crowds. As the days shorten and autumn approaches, September in Castellabate remains a captivating blend of warmth and charm, ideal for both relaxation and adventure.

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

The chart illustrates September temperature patterns in Castellabate, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505253586472777873666054
Data source: Temperature data for Castellabate 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 Castellabate

In September, Castellabate experiences a noticeable increase in precipitation, with a total of 89 mm (3.5 in) spread over 9 days. This marks a shift from the dry summer months of July and August, where rainfall was minimal, recorded at just 17 mm each month. The arrival of September brings a refreshing change, as the rain begins to pave the way for the lush autumn landscape. With October following closely behind, featuring 96 mm (3.8 in) of rainfall, it's clear that the region transitions into a wetter pattern, setting the stage for the significant deluge of 260 mm in November. This evolving climate rhythm underscores the delicate balance between the dry heat of summer and the nourishing rains of fall in this picturesque Italian locale.

September Precipitation Trends in Castellabate

The chart displays monthly precipitation patterns in Castellabate, 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.
JanFebMarAprMayJunJulAugSepOctNovDec12412410562601917178996260237
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Castellabate

In September, Castellabate experiences a moderate humidity level of 65%, marking a transition from the dryer summer months of July and August, which boast lows of 57% and 53%, respectively. This slight increase reflects the gradual shift towards the wetter autumn season, as humidity begins to rise again. Interestingly, the trend shows that while summer offers the most comfortable climates, the start of fall balances moderation with lingering warmth, setting the stage for the higher humidity levels characteristic of October (75%) and beyond. Overall, September serves as a bridge, gently ushering in the more humid months ahead while still retaining some of summer's charm.

September Average Humidity in Castellabate

This chart illustrates the average monthly humidity levels in Castellabate, 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 Castellabate

In September, the UV Index in Castellabate, Italy, stands at a significant 8, categorized as very high, which means that even a brief exposure can result in sunburn within just 15 minutes. This indicates a slight decrease from the peak summer months of July and June, which both record a UV Index of 10, yet still emphasizes the need for caution when enjoying the late summer sun. As autumn approaches, the UV levels gradually decline towards the more moderate ranges seen in October, but September remains a critical period for sun protection. For more detailed information on UV levels throughout the year, visit Castellabate UV Index.

Maximum UV Index Levels in Castellabate for September

The chart shows the monthly maximum UV Index (UVI) for Castellabate 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: Castellabate 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 Castellabate

In September, Castellabate, Italy, basks in a splendid 336 hours of sunshine, a delightful transition from the sun-soaked summer months. Following the peak of 422 hours in July, the sunny days linger into early autumn, offering a warm embrace as the crowds begin to thin. This month typically captures the essence of both summer and fall, a time when the beaches are still inviting, yet the air carries a hint of crispness. The reduction from August's 397 hours signals the subtle shift in seasons, but still provides plenty of golden moments for locals and visitors to enjoy the stunning coastal landscape. As the sunlight begins to wane, September remains a vibrant showcase of warm days and enchanting sunsets, ensuring that Castellabate continues to shine on the Italian coast.

Monthly Sunshine Duration in Castellabate: September Highlighted

The September sunshine duration represents the total number of hours Castellabate 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.
JanFebMarAprMayJunJulAugSepOctNovDec199h254h319h350h396h408h422h397h336h313h247h241h
Data source: Castellabate September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castellabate During September

In Castellabate, Italy, September offers a delightful bridge between the summer's warmth and the cooler autumn days, featuring a 60% chance of sunny weather. This stands in contrast to the peak of summer in July and August, which boast a remarkable 82% and 83% respectively, highlighting a gradual yet welcoming transition. As the month unfolds, the likelihood of sunny skies decreases slightly compared to the summer months, but September still holds its own against earlier months like April and May, which range between 49% and 54%. Thus, those seeking a charming blend of sun-soaked days and fewer crowds will find September in Castellabate an appealing choice, embracing both warmth and picturesque coastal beauty.

Percentage of Sunny Days in September in Castellabate

The chart illustrates the percentage of sunny days in Castellabate 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 Castellabate experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%58%60%49%54%66%82%83%60%44%31%48%
Data source: Castellabate September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castellabate in September

In September, Castellabate, Italy, experiences a delightful transition in daylight duration, with approximately 12 hours of sunlight on average. This month marks a subtle decrease from the peak summer brightness, as daylight tapers from the 14 hours of June, July, and August. The gradual shift signals the onset of autumn, where daylight slips away quicker, bringing a cozy ambiance to this coastal paradise. As the sun sets a little earlier each day, the enchanting colors of the evening sky harmonize beautifully with the tranquil atmosphere, making September a perfect time to savor the lingering warmth and stunning scenery of this charming Mediterranean locale.

Average Daylight Hours in Castellabate for September

The chart illustrates the variation in daylight duration in Castellabate throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 39m10h 40m11h 57m13h 17m14h 24m14h 58m14h 40m13h 41m12h 24m11h 5m9h 56m9h 20m
Data source: Castellabate daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Castellabate

As summer fades and September rolls in, Castellabate experiences a gentle shift in its winds, with average speeds dropping to 2.1 m/s (5 mph). This marks the calmest wind month of the year, a stark contrast to the brisk breezes of January at 4.5 m/s (10 mph). The transition from the vibrant winds of spring and early summer is palpable, as the atmosphere grows still and serene. The breeze remains pleasant, inviting leisurely strolls along the stunning coast, while setting the perfect backdrop for enjoying the tranquil beauty of this charming Italian village. As autumn approaches, the subtle shift in wind speed hints at the changing seasons, creating a soothing ambiance that envelops Castellabate.

Average September Wind Speed in Castellabate

The chart displays monthly wind speed patterns in Castellabate, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.53.43.43.22.72.22.42.42.1 m/s3.23.94.2
Data source: Castellabate September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Castellabate Compares to Other Months

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

September and January offer stark contrasts in weather conditions. In September, temperatures range from a mild 14°C (58°F) at night to a warm average of 23°C (73°F), reaching a peak of 29°C (84°F) during the day. The month sees moderate rainfall with 89 mm (3.5 in) spread over about 9 days and a humidity level of 65%. In contrast, January experiences much cooler temperatures, with lows dipping to 0°C (32°F) and an average of just 10°C (50°F), maxing out at 18°C (64°F). This winter month has more precipitation, totaling 124 mm (4.9 in) across approximately 12 days, coupled with higher humidity at 84%. For a more detailed look at January weather, you can check Castellabate weather in January.

September and February exhibit distinctly different weather patterns. In September, temperatures are milder, with minimums around 14°C (58°F) and averages peaking at 23°C (73°F), making it a comfortable month for outdoor activities. By contrast, February experiences much cooler weather, with lows dropping to 2°C (36°F) and averages hovering around 11°C (52°F).

Precipitation levels also differ; September sees 89 mm (3.5 in) of rain over about 9 days, while February has a slightly higher precipitation of 123 mm (4.9 in) over 10 days. Additionally, February tends to be more humid with a relative humidity of 76%, compared to September's 65%. For a deeper dive into February's weather specifics, you can visit Castellabate weather in February.

When comparing the weather between September and March, we see notable differences in both temperature and precipitation patterns. September enjoys milder conditions with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 29°C (84°F), accompanied by an average temperature of 23°C (73°F). In contrast, March experiences cooler temperatures, with a minimum of 3°C (37°F), an average of 12°C (53°F), and a maximum of 19°C (66°F). Precipitation levels are slightly higher in March at 105 mm (4.1 in), occurring over 11 days, compared to September's 89 mm (3.5 in) over 9 days. Additionally, March has a higher humidity level of 69%, compared to September's 65%. For those interested in more specific conditions during this time, you can check out the details at Castellabate weather in March.

When comparing September and April weather, a noticeable contrast emerges in temperature and overall climate. September boasts a warmer average temperature of 23°C (73°F), with highs reaching up to 29°C (84°F), while April's temperatures are significantly cooler, with an average of 14°C (58°F) and a maximum of 25°C (78°F). In terms of precipitation, September experiences more rainfall at 89 mm (3.5 in) over 9 days, compared to April's 62 mm (2.4 in) over 10 days. Both months have relatively high humidity, with September at 65% and April slightly higher at 70%. For a more detailed look at April weather, check out Castellabate weather in April.

In comparing the weather between September and May, we see distinct differences in temperature and precipitation. September boasts a higher average temperature of 23°C (73°F), with maximum highs reaching 29°C (84°F), making it pleasantly warm. In contrast, May has a cooler average temperature of 18°C (64°F), with a maximum of 28°C (82°F). While both months experience similar precipitation levels, September receives slightly more rain at 89 mm (3.5 in) over 9 days compared to May's 60 mm (2.4 in) over 8 days. Additionally, humidity is generally higher in May at 70%, compared to 65% in September. For a more detailed look at May weather specifically, you can check Castellabate weather in May.

In comparing the weather of September and June, September tends to be slightly warmer with average temperatures reaching around 23°C (73°F), while June averages at 22°C (72°F). However, June can experience higher maximum temperatures, soaring to 31°C (88°F) compared to September's peak of 29°C (84°F). Precipitation also differs significantly, with September receiving 89 mm (3.5 in) over 9 days, making it much wetter than June, which has only 19 mm (0.7 in) over 3 days. Additionally, humidity levels are fairly similar, with September at 65% and June slightly lower at 61%. For more specific details about June weather, check out Castellabate weather in June.

When comparing the weather between September and July, there are some noticeable differences. July typically experiences higher temperatures, with minimums around 20°C (68°F) and maximums reaching up to 31°C (88°F), while September's temperatures are slightly cooler, averaging between 14°C (58°F) and 29°C (84°F). Additionally, July has significantly less rainfall, with only 17 mm (0.6 in) of precipitation across just 2 days, compared to September, which sees 89 mm (3.5 in) over 9 days, indicating a wetter climate. Humidity levels are also higher in September at 65%, compared to July's 57%. For more detailed insights into July weather, you can check Castellabate weather in July.

In comparing the weather between September and August, September tends to be cooler and wetter. The minimum temperature in September is 14°C (58°F), contrasting with August's milder minimum of 19°C (67°F), while the average temperature in September is 23°C (73°F), compared to 26°C (79°F) in August. Additionally, September sees more rainfall, with 89 mm (3.5 in) over 9 days, whereas August experiences only 17 mm (0.7 in) across 4 days. The humidity level also increases in September to 65%, compared to 53% in August, adding to the overall perception of a cooler, damp month. For more details, check out Castellabate weather in August.

In comparing the weather of September and October, we see a gradual decline in temperatures as autumn sets in. September features a minimum temperature of 14°C (58°F) and an average of 23°C (73°F), whereas October brings cooler conditions with a minimum of 12°C (54°F) and an average of 19°C (66°F). While both months experience similar precipitation levels, with September receiving 89 mm (3.5 in) and October slightly higher at 96 mm (3.8 in), October's humidity levels rise to 75%, compared to September's 65%. For those looking to understand the October climate in detail, check out the complete overview at Castellabate weather in October.

September typically enjoys warmer temperatures, with daily averages around 23°C (73°F) and maximums reaching up to 29°C (84°F). In contrast, November experiences cooler temperatures, averaging around 16°C (60°F) and peaking at 24°C (75°F). Additionally, September sees less rainfall, averaging 89 mm (3.5 in) over 9 days, compared to November's much wetter climate, which can bring about 260 mm (10.2 in) of precipitation across 15 days. Humidity levels also rise in November, reaching 81% compared to September's 65%. For more detailed information, check out Castellabate weather in November.

September and December present strikingly different weather patterns. In September, temperatures range from a pleasant minimum of 14°C (58°F) to a maximum of 29°C (84°F), with an average of 23°C (73°F), and the month enjoys relatively low precipitation of 89 mm (3.5 in) over about 9 days. In contrast, December sees a noticeable drop in temperatures, with a minimum of 5°C (40°F) and a maximum of only 18°C (65°F), averaging at 12°C (54°F). Additionally, December is marked by significantly higher precipitation, totaling 237 mm (9.3 in) across approximately 15 days, coupled with increased humidity at 84%. For a detailed look at December weather patterns, you can check Castellabate weather in December.

Compare Castellabate's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Castellabate

September in Castellabate offers a delightful transition from the summer heat, as temperatures begin to cool while still providing warm days perfect for outdoor exploration. With an average temperature around the pleasant mid-20s°C, visitors can enjoy the vibrant landscapes without the sweltering heat typical of July and August. Although rainfall is more frequent, with nearly a third of the month experiencing some precipitation, the humidity remains manageable, creating a comfortable atmosphere to savor the scenery. This month stands out as a perfect time to experience Castellabate’s charm, where the summer crowds begin to wane and autumn's beauty emerges. For a deeper dive into the region's weather patterns throughout the year, visit Castellabate Climate.