Last updated: March 24, 2025
In September, Posillipo, Italy, offers a delightful transition from summer to autumn, with average temperatures ranging around 23°C (74°F). The maximum highs can reach 28°C (83°F), providing ample opportunity for outdoor enjoyment, while the minimum temperatures dip to a comfortable 15°C (59°F) during the nights. However, with 96 mm (3.8 in) of rain falling over 9 days, visitors should be prepared for occasional showers amidst the predominantly pleasant weather. The humidity levels hover around 65%, adding a touch of warmth to the coastal breeze. This blend of conditions makes September an inviting time for both exploration and relaxation in this charming Italian locale.
In September, Posillipo, Italy, welcomes a delightful transition into fall with mild temperatures that invite both locals and visitors to enjoy the stunning coastal scenery. The month starts off with minimums around 15°C (59°F), gradually warming up to an average of 23°C (74°F), and peaking at a pleasant 28°C (83°F). This marks a notable shift from the sweltering summer months, making September an ideal time for outdoor activities, leisurely strolls, or simply soaking in the sun. As the heat of August fades, the balmy evenings and gentle breezes create a perfect atmosphere for relaxation, setting the stage for an enchanting exploration of this picturesque locale.
In September, Posillipo experiences a notable shift in precipitation, with an average rainfall of 96 mm (3.8 in) over 9 days. This marks an increase from the drier summer months, where July and August recorded only 12 mm of rain each. As the summer heat wanes, September serves as a transitional month, bridging the warm, arid spell with the upcoming wetter autumn season. The rainfall is substantial enough to prepare the region's lush landscapes for the more intense precipitation that follows in October, which typically brings 100 mm (3.9 in). Overall, September’s rainfall reflects a welcome return of moisture, contributing to the vibrant, green scenery characteristic of this charming Italian locale.
In September, Posillipo experiences a moderate humidity level of 65%, marking a transition from the drier summer months of July and August, which boast their lowest humidity rates at 57% and 53%, respectively. This slight increase reflects the onset of autumn, as humidity starts to rise again with October's 75%, bringing a more refreshing feel to the coastal air. Overall, throughout the year, humidity levels in Posillipo demonstrate a distinct pattern, peaking in winter months at around 84% in both January and December. The trend reveals a notable decrease during the summer, highlighting the region's enjoyable Mediterranean climate, yet September holds a balanced position, offering a perfect blend of warmth and comfort as summer wanes into fall.
In September, Posillipo, Italy experiences a very high UV Index of 8, making sun protection essential as the burn time shortens to just 15 minutes. This marks a slight decline from the peak of summer, where July and June both peaked at 10, yet still indicates the strong sun during this month. As summer transitions into autumn, September remains vibrant, maintaining a high exposure risk reflective of the season's lingering warmth. It's crucial to stay vigilant and protect your skin, as the sun's rays can still be intense. For detailed insights on UV levels, visit Posillipo UV Index.
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September in Posillipo, Italy, shines with 336 hours of sunlight, marking a gentle transition from the vibrant long days of summer to the softer light of autumn. Following a peak in July with 424 hours, the month begins to reflect a gradual decline in daylight hours, echoing nature's rhythm as it prepares for the cooler months ahead. This slight dip in sunshine, compared to 397 hours in August, offers a serene backdrop for leisurely strolls along the picturesque coastline and enjoying the bounties of the harvest season. As summer's warmth lingers just a little longer, September invites both locals and travelers to bask in the mellow afternoon glow, appreciating the beauty of transition in this charming coastal haven.
As summer fades, September in Posillipo, Italy, still holds a respectable 56% chance of sunny weather, marking a transition from the peak sunshine months of July and August, which boast impressive probabilities of 79% and 80% respectively. The likelihood of sun decreases as autumn approaches, but September still outshines the earlier spring and winter months, making it an inviting time for visitors. With a greater chance of pleasant weather compared to the more temperate months of April and May, this time offers a balanced blend of warmth and the serene beauty of early fall. Whether you're soaking up the last rays of summer or enjoying the mild ambiance, September remains a charming choice for enjoying Posillipo's picturesque landscapes.
As summer fades, September in Posillipo, Italy, marks a subtle transition in daylight hours. With approximately 12 hours of daylight, the month gently bridges the long days of summer—where July boasts up to 14 hours—and the shorter, cooler days of autumn. This reduction reflects a gradual shift that began in August, emphasizing the rhythmic dance of seasons. From the 9 hours of daylight in the heart of winter, the progression becomes evident as the year unfolds, showcasing the rich tapestry of light that characterizes this enchanting coastal locale. September proves to be a perfect time to enjoy the lingering warmth while savoring the slow embrace of autumn.
As summer fades, September in Posillipo, Italy welcomes a gentle breeze, with an average wind speed of 2.9 m/s (7 mph), indicating a notable decline in wind activity compared to the bustling summer months. This calming transition sets the stage for a more serene atmosphere as the communities prepare for the autumn. Following a peak in wind speeds earlier in the year, there’s a consistent drop from May through September, highlighting a trend towards tranquility that continues into October, where winds begin to pick up once again. The serene September winds invite leisurely strolls along the coast, giving both locals and visitors the chance to enjoy the picturesque views without the summer's brisk gusts.
The weather in Posillipo 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 Posillipo and find detailed weather information for every month.
In September, the weather is generally warm and pleasant, with average temperatures around 23°C (74°F) and maximum highs reaching up to 28°C (83°F). The humidity is moderate at 65%, and while there is some rainfall, averaging 96 mm over about 9 days, it typically doesn't detract from outdoor activities. In contrast, January presents a much cooler climate, with average temperatures dropping to 11°C (52°F) and maximums of 17°C (63°F). This month experiences higher humidity at 84% and slightly more precipitation, amounting to 116 mm over approximately 11 days. For more detailed insights, you can check Posillipo weather in January.
September and February present quite contrasting weather conditions. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 28°C (83°F), with an average of 23°C (74°F). The month sees about 96 mm (3.8 in) of precipitation over 9 days and a humidity of 65%, making it feel relatively warm and pleasant. In contrast, February experiences much cooler temperatures, with a minimum of 2°C (37°F) and a maximum of 16°C (62°F), averaging around 12°C (53°F). Although February receives slightly more precipitation at 113 mm (4.5 in) over 10 days, the humidity is higher at 76%, contributing to a colder and more damp atmosphere. For a detailed look at February weather, you can visit Posillipo weather in February.
In September, the weather is generally warmer with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 28°C (83°F), making it an ideal time for outdoor activities. The month sees an average precipitation of 96 mm (3.8 in) over about 9 days, coupled with a relative humidity of 65%. In contrast, March experiences cooler temperatures, with minimums dipping to 3°C (38°F) and maximums reaching only 17°C (63°F). Despite a slightly lower average precipitation of 88 mm (3.4 in) across 10 days, humidity remains relatively high at 69%. This significant temperature difference illustrates the transition from the warmth of late summer into the briskness of early spring. For a detailed look at March's weather specifically, you can visit Posillipo weather in March.
In comparing the weather between September and April, September generally offers warmer temperatures, with averages ranging from a minimum of 15°C (59°F) to a maximum of 28°C (83°F). In contrast, April exhibits cooler conditions, featuring a minimum of 7°C (46°F) and an average high of 23°C (74°F). Additionally, while September experiences more rainfall at 96 mm (3.8 in) over 9 days, April’s precipitation is lower at 51 mm (2.0 in), also over 9 days. Humidity is slightly higher in April at 70%, compared to 65% in September. For more detailed insights, you can check Posillipo weather in April.
September typically enjoys warmer temperatures compared to May, with averages around 23°C (74°F) and maximums reaching 28°C (83°F), while May's averages settle at a cooler 18°C (65°F) and max temperatures of 26°C (79°F). Additionally, September tends to be slightly wetter, experiencing 96 mm (3.8 in) of precipitation over 9 days, in contrast to May, which receives only 57 mm (2.2 in) over 7 days. Humidity levels are comparable, with September at 65% and May slightly higher at 70%. For a deeper look into the weather specifics for May, you can check out Posillipo weather in May.
When comparing the weather in September and June, we can observe some notable differences. September typically has a slightly wider temperature range, with minimums around 15°C (59°F) and maximums reaching up to 28°C (83°F), averaging 23°C (74°F). In contrast, June has a minimum temperature of 16°C (60°F) and peaks at 29°C (84°F), with an average of 22°C (73°F). Additionally, September tends to be wetter, receiving 96 mm (3.8 in) of precipitation over 9 days, compared to June’s 21 mm (0.8 in) across just 2 days. Both months boast relatively high humidity levels, with September at 65% and June at 61%. For more detailed information on June weather, you can visit Posillipo weather in June.
When comparing the weather in September to that of July, significant differences emerge. September experiences a broader range of temperatures, with a minimum of 15°C (59°F) and an average of 23°C (74°F), peaking at 28°C (83°F). In contrast, July maintains warmer temperatures, with a minimum of 21°C (71°F), an average of 25°C (77°F), and a maximum of 29°C (84°F). Additionally, September is considerably wetter, receiving 96 mm (3.8 in) of rain over 9 days, compared to July's mere 12 mm (0.5 in) across just 2 days. Humidity levels are also slightly higher in September at 65% versus July's 57%. For more specific details, you can check Posillipo weather in July.
In comparing the weather between August and September, it's clear that September brings cooler temperatures, with averages ranging from a minimum of 15°C (59°F) to a maximum of 28°C (83°F), compared to August's warmer range from 21°C (70°F) to 31°C (88°F). Additionally, September experiences significantly more rainfall, totaling 96 mm (3.8 in) over 9 days, in contrast to August, which sees only 12 mm (0.5 in) over just 1 day. The humidity also rises in September to 65%, compared to 53% in August, making it feel more humid as the summer winds down. For a more detailed look at August weather in the area, visit Posillipo weather in August.
September and October exhibit noticeable differences in weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 28°C (83°F), with an average of 23°C (74°F), while October sees a slight drop, with lows of 14°C (57°F) and highs of 25°C (77°F), averaging 19°C (67°F). Both months experience a similar amount of precipitation, with September recording 96 mm (3.8 in) over 9 days and October slightly increasing to 100 mm (3.9 in) over 10 days. Additionally, October experiences higher humidity at 75%, compared to September's 65%. For more detailed insights, check out the weather specifics Posillipo weather in October.
September and November present quite different weather experiences. In September, temperatures usually range from a mild 15°C (59°F) to a warm 28°C (83°F), with an average of 23°C (74°F). The month sees moderate rainfall, with about 96 mm (3.8 in) over approximately 9 days and a humidity level of 65%, creating a pleasant atmosphere. In contrast, November brings cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 22°C (72°F), averaging 16°C (62°F). The month is also much wetter, recording 285 mm (11.2 in) of precipitation over 17 days, and the humidity rises to 81%. For a closer look at November's weather specifics, check out Posillipo weather in November.
September typically enjoys a warmer climate, with average temperatures reaching 23°C (74°F) and highs of 28°C (83°F). The month experiences moderate rainfall, totaling 96 mm (3.8 in) over about 9 days, coupled with a comfortable humidity level of 65%. In contrast, December brings a significant drop in temperatures, averaging just 13°C (56°F) and peaking at 18°C (64°F). This winter month sees increased precipitation, with 206 mm (8.1 in) spread across approximately 16 days, along with higher humidity levels of 84%. For more detailed information, you can refer to Posillipo weather in December.
As summer transitions to autumn, September in Posillipo brings a delightful blend of warmth and freshness, with temperatures averaging a comfortable 23°C (74°F). Unlike the sweltering heights of July and August, this month offers a more moderate climate, perfect for enjoying outdoor activities. However, while the heat begins to ease, September also sees a rise in precipitation, with about nine days of rain scattered throughout the month, adding a refreshing quality to the air. The humidity hovers at a balanced 65%, allowing for pleasant strolls along the coastal views. For more detailed insights on the weather throughout the year, visit Posillipo Climate.