Last updated: March 24, 2025
September in Castellammare di Stabia, Italy presents a delightful blend of warmth and mildness, with maximum temperatures reaching a balmy 29°C (85°F) and an inviting average of 22°C (72°F). Visitors can expect refreshing evenings with lows around 13°C (56°F). The month brings about 96 mm (3.8 in) of precipitation over 10 days, adding a touch of greenery to the stunning coastal landscape. With humidity hovering at 65%, the weather remains pleasantly temperate, making it an ideal time to explore this charming seaside town.
As summer gracefully transitions to autumn, Castellammare di Stabia experiences delightful September temperatures that embody the essence of Mediterranean warmth. The month welcomes mild mornings with a minimum of 13°C (56°F), providing a comfortable start to the day, while afternoons heat up to a pleasing 29°C (85°F), making it ideal for outdoor adventures. The average temperature settles at a pleasant 22°C (72°F), striking a perfect balance that encourages both exploration and relaxation. As the days grow shorter, the warmth gradually adjusts, hinting at the cooler months ahead, yet September remains a picturesque time to bask in the sun-kissed beauty of this charming Italian coastal town.
In September, Castellammare di Stabia experiences a noticeable uptick in precipitation, with 96 mm (3.8 in) of rain over approximately 10 days. This marks a shift from the drier summer months, where July and August typically see just 16 mm (0.6 in) and 21 mm (0.8 in) respectively. The increase in rainfall serves as a precursor to the more substantial deluges of autumn, as the city braces for October's average of 104 mm (4.1 in). This trend highlights September as a transitional month, bridging the sunny summer with the wetter, more generous rainy season that follows, making it a pivotal time for local agriculture and the rejuvenation of the region’s lush landscapes.
As the summer heat wanes, September in Castellammare di Stabia brings a noticeable shift in humidity levels, settling at a comfortable 65%. This marks a gradual increase from the drier months of July and August, which see humidity levels dip to their annual lows of 57% and 53%, respectively. The transition into autumn rejuvenates the atmosphere, steering humidity upwards but still keeping it relatively moderate compared to the winter months, where levels spike again, reaching 84% by December. Overall, September serves as a bridge between the dry, warm summer and the more humid, cooler fall and winter seasons, providing a pleasant environment for residents and visitors alike.
In September, Castellammare di Stabia enjoys a UV Index of 8, indicating a very high level of solar radiation. This marks a slight decrease from the summer months of July and August, which both peaked at an Index of 10. With a burn time of just 15 minutes, it's crucial for residents and visitors alike to remain vigilant about sun safety. As the season transitions into fall, the UV Index gradually begins to decline, hinting at more moderate exposure in the coming months. Nevertheless, September still calls for protective measures to ensure enjoyable outdoor experiences. For a detailed understanding of UV levels and safety tips, visit Castellammare di Stabia UV Index.
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As summer gives way to autumn, September in Castellammare di Stabia offers a delightful blend of sunny days, boasting an impressive 336 hours of sunshine. This month marks a gentle transition, sitting comfortably between the high of 424 hours in July and the ebbs of light seen in October with 310 hours. As the sweltering heat starts to wane, September's golden rays create a perfect backdrop for exploration and relaxation along the stunning coast. The gradual decrease in sunshine from the height of summer invites a pleasant chill in the air, enhancing the charm of this coastal gem. September emerges as a sweet spot for visitors seeking to enjoy warmer days without the summer crowds.
In Castellammare di Stabia, Italy, September marks a transitional period in weather patterns, boasting a 56% chance of sunny days. As summer wanes, the likelihood of sun slightly decreases from the peak months of July and August, where the sun graces the town with over 78% and 79% chances, respectively. However, September still maintains a better chance of sunshine compared to the cooler months that follow, such as October's 42% and November's 30%. This makes it an ideal time for visitors to enjoy the lingering warmth of summer while experiencing the beautiful coastal scenery, as the golden hues of early autumn provide a captivating backdrop.
As September unfolds in Castellammare di Stabia, Italy, daylight begins to taper off, offering an inviting balance between the warmth of summer and the chill of autumn. With 12 hours of daylight, this month marks a subtle decline from the vibrant 14 hours of May and 15 hours of June, signaling the transition into cooler days ahead. Following the peak summer months, September's light is a gentle reminder of nature's rhythm, where longer evenings invite leisurely strolls along the coast. As October approaches, daylight will continue to wane, prompting locals and visitors alike to savor these lingering hours of sunshine before they dwindle further into the winter months.
As September arrives in Castellammare di Stabia, Italy, the coastal breeze begins to mellow, with an average wind speed of 2.5 m/s (6 mph). This gentle wind is characteristic of late summer, providing a soft, refreshing touch after the hotter months. Notably, it follows a gradual decline in wind intensity from the previous months of August and July, which recorded slightly higher averages of 2.7 m/s and 2.4 m/s, respectively. As the season transitions into autumn, wind speeds pick up again in October, hinting at the upcoming seasonal shifts that bring back the invigorating gusts of late fall. Thus, September serves as a tranquil bridge, allowing visitors and locals alike to enjoy the calmness of the sea air while anticipating the lively winds that are just around the corner.
The weather in Castellammare di Stabia 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 Castellammare di Stabia and find detailed weather information for every month.
September and January present contrasting weather conditions in Castellammare di Stabia. In September, temperatures range from a mild 13°C (56°F) at night to a warm 29°C (85°F) during the day, with an average of 22°C (72°F). The month sees around 96 mm (3.8 in) of precipitation over approximately 10 days, accompanied by a humidity level of 65%. In stark contrast, January experiences much colder temperatures, with nighttime lows plummeting to -2°C (29°F) and daytime highs reaching only 18°C (64°F), averaging at 9°C (49°F). This winter month is wetter, receiving about 114 mm (4.5 in) of rain across 11 days and higher humidity at 84%. For a detailed look at January weather, check out Castellammare di Stabia weather in January.
In comparison to February, September enjoys a significantly warmer climate, with average temperatures peaking at 22°C (72°F) compared to February's cooler average of only 10°C (51°F). While September experiences a comfortable range, from a minimum of 13°C (56°F) to a maximum of 29°C (85°F), February’s temperatures can drop as low as 1°C (34°F), making it a much chillier month. Additionally, while both months see precipitation over 10 days, February tends to be wetter with 125 mm (4.9 in) compared to September's 96 mm (3.8 in), and the higher humidity levels in February at 76% contribute to a more pronounced dampness in the air. For a detailed look at February's weather, you can check Castellammare di Stabia weather in February.
When comparing the weather in September and March, September generally features milder temperatures, with average highs of 22°C (72°F) and a maximum reaching 29°C (85°F). In contrast, March starts off much cooler, with average highs only reaching 11°C (52°F) and minimum temperatures frequently dipping to -1°C (31°F). Both months experience considerable precipitation—September sees about 96 mm (3.8 in) over roughly 10 days, while March records slightly higher at 102 mm (4.0 in) over 11 days. Humidity levels are relatively similar, with September at 65% and March slightly higher at 69%. For more insights on the climate in March, check out the Castellammare di Stabia weather in March.
When comparing the weather in September and April, it's clear that September tends to be warmer and more humid. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 29°C (85°F), with an average of 22°C (72°F), whereas April’s temperatures are cooler, with a minimum of 5°C (41°F) and a maximum of 25°C (78°F), averaging just 14°C (57°F). Additionally, while both months experience precipitation on about 10 days, September receives significantly more rainfall (96 mm or 3.8 in) compared to April (57 mm or 2.2 in). The humidity levels are fairly close, with April slightly higher at 70% compared to September’s 65%. For a detailed look at April's weather, you can visit Castellammare di Stabia weather in April.
September generally offers warmer temperatures compared to May, with daily averages reaching 22°C (72°F) and maximums soaring to 29°C (85°F), while May sees cooler conditions with an average of 17°C (64°F) and a max of 27°C (81°F). Although September experiences higher precipitation at 96 mm (3.8 in) over approximately 10 days, May is not far behind with 70 mm (2.7 in) across 8 days. Interestingly, September's humidity is slightly lower at 65% compared to May's 70%, making September feel a touch more comfortable despite its warmth. For more specific details, you can refer to Castellammare di Stabia weather in May.
In comparing the weather of September and June, we see some notable similarities and differences. Both months have an average temperature around 22°C (72°F), but June tends to be slightly warmer with a maximum of 30°C (86°F) compared to September’s maximum of 29°C (85°F). Precipitation is significantly higher in September with 96 mm (3.8 in) over about 10 days, while June is much drier, experiencing only 27 mm (1.1 in) over about 4 days. Humidity levels are relatively close, with September slightly more humid at 65% compared to June's 61%. For additional insights, you can check Castellammare di Stabia weather in June.
When comparing the weather in July to that of September, it becomes clear that July is generally warmer and drier. July boasts minimum temperatures of 19°C (67°F) and averages around 25°C (77°F), reaching highs of 31°C (88°F). In contrast, September experiences a lower range, with minimum temperatures of 13°C (56°F) and an average of 22°C (72°F), peaking at 29°C (85°F). Additionally, July sees significantly less precipitation, with only 16 mm (0.6 in) over just 2 days, while September is much wetter, receiving 96 mm (3.8 in) across 10 days. Humidity levels are slightly higher in September at 65% compared to 57% in July. For more specifics on July weather, you can visit Castellammare di Stabia weather in July.
The weather in September is noticeably cooler than in August, with minimum temperatures dropping to 13°C (56°F) compared to August's milder minimum of 19°C (66°F). The average temperature in September is 22°C (72°F), which is lower than August's average of 26°C (79°F), and the maximum temperature also sees a decline, peaking at 29°C (85°F) in September versus 32°C (90°F) in August. Additionally, September experiences significantly more precipitation, totaling 96 mm (3.8 in) over 10 days, while August is much drier, with only 21 mm (0.8 in) over just 3 days. Humidity levels are also higher in September at 65%, compared to August's 53%. For more detailed information, you can visit Castellammare di Stabia weather in August.
In September, the weather typically features warmer temperatures, with averages around 22°C (72°F) and highs reaching 29°C (85°F), while October sees a noticeable drop, averaging 18°C (65°F) with a maximum of 25°C (78°F). Both months experience similar rainfall patterns, with September receiving 96 mm (3.8 in) and October slightly increasing to 104 mm (4.1 in), and both months seeing precipitation on about 10 days. However, October tends to be more humid, with levels rising to 75%, compared to September's 65%. For a detailed overview of the weather conditions in October, you can visit Castellammare di Stabia weather in October.
September and November present distinct contrasts in weather. In September, temperatures are generally milder with a minimum of 13°C (56°F) and an average of 22°C (72°F), peaking at 29°C (85°F). This month experiences moderate rainfall, totaling 96 mm (3.8 in) over approximately 10 days, while humidity levels hover around 65%. In contrast, November sees a significant drop in temperatures, with a minimum of 5°C (41°F) and an average of 15°C (59°F), only reaching a maximum of 22°C (71°F). Rainfall is notably heavier at 258 mm (10.2 in) across 17 days, contributing to increased humidity levels at 81%. For more details on the specific weather patterns, check out Castellammare di Stabia weather in November.
September and December present distinctly different weather patterns. In September, temperatures range from a mild 13°C (56°F) at night to a warm average of 22°C (72°F) during the day, peaking at 29°C (85°F). The month experiences 96 mm (3.8 in) of precipitation over about 10 days, with a humidity level of 65%, creating a comfortable yet slightly moist atmosphere. In contrast, December brings cooler conditions, with temperatures dropping significantly, ranging from a minimum of 3°C (38°F) to a maximum of 17°C (64°F), and averaging around 11°C (53°F). The month is significantly wetter, with 200 mm (7.9 in) of rain spread over 15 days and higher humidity at 84%. For more detailed information, check out Castellammare di Stabia weather in December.
As summer gives way to autumn, September weather in Castellammare di Stabia shows a delightful shift, marked by a comfortable average temperature that invites both locals and visitors to enjoy the outdoors. While you can still bask in sunny days, the humidity settles at a manageable level, making it ideal for outdoor activities. However, be prepared for occasional rainfall, as this month averages a handful of wet days, contrasting with the drier summer months. Overall, September strikes a perfect balance between warmth and the refreshing onset of fall, providing a unique atmosphere for exploring this beautiful coastal area. For more detailed information, check out the Castellammare di Stabia Climate.