September Weather in Pozzuoli, Italy

Last updated: March 24, 2025

Experience the charming September weather in Pozzuoli, Italy, where temperatures range from a pleasant 15°C (60°F) at night to a warm 28°C (82°F) during the day, averaging around 24°C (75°F). This month sees moderate humidity at 65%, creating a comfortable atmosphere for outdoor activities. However, be prepared for some rainfall, as 8 days may bring a total of 87 mm (3.4 in) of precipitation. Overall, September in Pozzuoli offers a delightful blend of warmth and refreshing breezes, perfect for exploring this beautiful coastal town.

September Temperature in Pozzuoli

September in Pozzuoli offers a delightful transition as summer wanes into autumn. With minimum temperatures around 15°C (60°F) and averages peaking at 24°C (75°F), the weather remains pleasantly warm. Days can reach a comfortable maximum of 28°C (82°F), making it an ideal time for outdoor explorations and seaside relaxation. This month showcases the lingering warmth of late summer, yet hints at the cooler days ahead, inviting visitors to enjoy the vibrant atmosphere before the temperatures begin to dip. As September unfolds, the mild climate encourages leisurely strolls through the city, with the gentle breeze adding to Pozzuoli's charm.

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

The chart illustrates September temperature patterns in Pozzuoli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec525455586572777974686256
Data source: Temperature data for Pozzuoli 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 Pozzuoli

In September, Pozzuoli experiences a notable transition in precipitation, with an average of 87 mm (3.4 in) falling over 8 days. This marks a significant increase from the drier summer months of June, July, and August, each with less than 20 mm of rainfall. As the warm days start to wane, September's rainfall hints at the onset of autumn, creating a refreshing balance between lingering summer warmth and the subsequent cooler weather. This trend of increased precipitation continues into October, illustrating the city's shift from the parched lull of summer to a wetter, more dynamic fall season. The rainfall in September prepares the region for the lushness of October and the arrival of November's much heavier downpours, further emphasizing the dramatic transformations the climate undergoes as the year progresses.

September Precipitation Trends in Pozzuoli

The chart displays monthly precipitation patterns in Pozzuoli, 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.
JanFebMarAprMayJunJulAugSepOctNovDec107977546521710108786262175
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pozzuoli

September in Pozzuoli, Italy, marks a subtle transition in humidity levels as summer wanes. After enjoying a peak low of 53% in August, September's humidity rises to 65%, signaling the onset of autumn. This increase reflects the gradual shift from the hot, dry months of summer back to the more humid conditions typical of the fall. While humidity levels remain moderate compared to the winter months, which can soar back to 84% in January and December, September offers a comfortable balance. The city’s humidity tends to follow a cyclical pattern, dropping significantly during the peak summer months and climbing as the year progresses, unveiling the charming shifts of Pozzuoli’s Mediterranean climate.

September Average Humidity in Pozzuoli

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

As summer transitions to autumn, September in Pozzuoli, Italy, showcases a UV Index of 8, indicating a very high exposure category. This marks a slight decline from the peak summer months, but with a burn time of just 15 minutes, caution is still essential. The trend throughout the warmer months reveals a steady escalation in UV levels, peaking at 10 in June and July, before tapering off slightly in August and September. Despite the drop, the need for sun protection remains critical as day-to-day exposure could lead to skin damage in a short time frame. As you soak in the beautiful sights of Pozzuoli, remember to stay vigilant against UV radiation. For detailed information on the UV Index, visit Pozzuoli UV Index.

Maximum UV Index Levels in Pozzuoli for September

The chart shows the monthly maximum UV Index (UVI) for Pozzuoli 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.
JanFebMarAprMayJunJulAugSepOctNovDec34679101098642
Data source: Pozzuoli 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 Pozzuoli

As summer gently transitions into autumn, September in Pozzuoli offers a delightful balance of sunshine, boasting 337 hours of radiant light. Following the peak brilliance of July, which shines with 424 hours, September retains a warmth that captures the essence of lingering summer days. The sunlight starts to ebb slightly, yet this month still enjoys significantly more hours than the darker months ahead, such as November and December, which see only 244 and 242 hours respectively. This subtle decline from the sizzling heights of summer invites locals and visitors alike to savor the mellow warmth, making it an ideal time for beach strolls and outdoor cafés, while also hinting at the cozy charm of fall on the horizon.

Monthly Sunshine Duration in Pozzuoli: September Highlighted

The September sunshine duration represents the total number of hours Pozzuoli 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.
JanFebMarAprMayJunJulAugSepOctNovDec195h259h319h351h395h409h424h397h337h312h244h242h
Data source: Pozzuoli September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pozzuoli During September

As September rolls into Pozzuoli, the likelihood of basking in sunny weather remains quite promising, with a 57% chance of sunshine. This month serves as a gentle transition from the peak summer bliss of July and August, which boast sun probabilities of 78% and 80%, respectively. While September’s sun exposure is a slight dip from the heights of summer, it still surpasses the sunniness of the earlier months, such as April and May, which hover around the 47% to 53% mark. This balance of comfortable warmth and moderate sunshine makes September a delightful time to enjoy the picturesque coastal views and charming streets of Pozzuoli.

Percentage of Sunny Days in September in Pozzuoli

The chart illustrates the percentage of sunny days in Pozzuoli 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 Pozzuoli experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%53%59%47%53%62%78%80%57%44%34%52%
Data source: Pozzuoli September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pozzuoli in September

As summer transitions to autumn, September in Pozzuoli, Italy, offers a delightful balance of daylight, with approximately 12 hours illuminating the day. This month marks a gradual decline from the sun-drenched days of July and August, each boasting 14 and 13 hours respectively. From the crisp clear of March, which welcomes 11 hours, to April’s 13 hours and May’s peak of 14 hours, the daylight duration progressively builds, reaching its zenith in the bright month of June with 15 hours. As September unfolds, the days become shorter, signaling the approach of fall, yet still providing ample sunlight to savor the warm early autumn atmosphere before the daylight dips further to 11 hours in October. The gentle ebb of daylight in September not only highlights the cyclical rhythm of seasons but also invites residents and visitors to relish every golden hour as summer's warmth begins to fade.

Average Daylight Hours in Pozzuoli for September

The chart illustrates the variation in daylight duration in Pozzuoli 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 2m14h 44m13h 43m12h 25m11h 4m9h 53m9h 17m
Data source: Pozzuoli daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Pozzuoli

As the vibrant summer days begin to wane in Pozzuoli, Italy, September welcomes slightly calmer breezes, with an average wind speed of 3.1 m/s (7 mph). This gentle shift contrasts with the stronger currents felt earlier in the year, particularly in January when winds reach 6.3 m/s (14 mph). Over the months, a notable decline in wind velocity occurs, peaking in winter where speeds rebound to around 5.0 m/s (11 mph) in December. The pattern reveals the Mediterranean climate's soothing progression from brisk winter winds to the softer caresses of autumn, inviting both locals and visitors to savor the enchanting coastal atmosphere at this time of year.

Average September Wind Speed in Pozzuoli

The chart displays monthly wind speed patterns in Pozzuoli, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.34.54.44.33.82.83.33.63.1 m/s4.65.65.0
Data source: Pozzuoli September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Pozzuoli Compares to Other Months

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

September and January present contrasting weather conditions. In September, temperatures are more moderate, with minimums around 15°C (60°F) and averages peaking at 24°C (75°F), while rainfall is relatively low at 87 mm (3.4 in) over 8 days. The humidity sits at a comfortable 65%. In stark contrast, January experiences cooler conditions, with a minimum temperature of just 2°C (35°F) and an average of 11°C (53°F). Precipitation increases to 107 mm (4.2 in) over 10 days, alongside a higher humidity of 84%. For more details on January weather, check out Pozzuoli weather in January.

September and February present distinct weather contrasts. In September, temperatures range from a mild 15°C (60°F) at night to a warm 28°C (82°F) during the day, making it ideal for outdoor activities. The average monthly temperature is a comfortable 24°C (75°F) with 87 mm (3.4 in) of precipitation over about 8 rainy days, and humidity hovers around 65%. In contrast, February experiences much cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 16°C (62°F). The average temperature dips to 12°C (54°F), accompanied by slightly higher precipitation levels of 97 mm (3.8 in) spread across approximately 10 days and increased humidity at 76%. For more details, you can explore Pozzuoli weather in February.

September and March present quite distinct weather patterns. September boasts warmer temperatures with a minimum of 15°C (60°F) and an average of 24°C (75°F), peaking at 28°C (82°F). In contrast, March feels much cooler, starting at a minimum of 4°C (39°F) and averaging just 13°C (55°F), while the maximum only reaches 17°C (63°F). Rainfall in September totals 87 mm (3.4 in) over 8 days, slightly higher than March's 75 mm (3.0 in) across 9 days. Additionally, humidity levels are slightly lower in September at 65%, compared to March's 69%. For a more detailed look at March's weather, you can check Pozzuoli weather in March.

September and April showcase distinct differences in weather patterns. In September, the temperatures are generally warmer, with averages around 24°C (75°F) and maximums reaching up to 28°C (82°F), compared to the cooler April, which sees an average of just 15°C (59°F) and maximums of 22°C (72°F). While both months experience rainfall for about 8 days, September receives almost double the precipitation at 87 mm (3.4 in) versus April’s 46 mm (1.8 in). Additionally, humidity levels in September are slightly lower at 65%, compared to April’s 70%. To explore more about the weather in April, you can visit Pozzuoli weather in April.

In comparing the weather of September and May, September tends to be warmer with an average temperature of 24°C (75°F) and maximum highs reaching 28°C (82°F), while May has a cooler average of 18°C (65°F) and maximum temperatures of 25°C (77°F). Despite September's higher temperatures, it experiences more precipitation, totaling 87 mm (3.4 in) over 8 days, compared to May's 52 mm (2.0 in) over just 7 days. Additionally, May has a slightly higher humidity level at 70%, while September holds steady at 65%. For those interested in the specific weather patterns, you can find more details here: Pozzuoli weather in May.

In comparing the weather of September and June, September tends to be slightly warmer, with average temperatures reaching 24°C (75°F) compared to June's average of 22°C (73°F). However, June experiences a higher maximum temperature of 29°C (84°F) versus September's peak at 28°C (82°F). Rainfall differs significantly between the two months; September sees considerably more precipitation at 87 mm (3.4 in) over 8 days, while June is much drier with only 17 mm (0.7 in) occurring over just 2 days. Additionally, humidity levels are slightly higher in September at 65%, compared to June's 61%. For more specific details on June weather, visit Pozzuoli weather in June.

When comparing the weather between July and September, notable differences emerge. July typically enjoys warmer conditions with minimum temperatures around 21°C (71°F) and averages peaking at 25°C (78°F), alongside high humidity levels of 57%. In contrast, September features a cooler minimum temperature of 15°C (60°F) and an average of 24°C (75°F), while still reaching similar maximum temperatures of 28°C (82°F). Additionally, September experiences a significantly higher level of precipitation, with 87 mm (3.4 in) spread over about 8 days, compared to July's mere 10 mm (0.4 in) over just 2 days, resulting in a more humid atmosphere at 65%. For more specifics on July weather, visit Pozzuoli weather in July.

In comparing the weather between September and August, September tends to be slightly cooler, with morning temperatures dropping to a minimum of 15°C (60°F) compared to August's minimum of 21°C (70°F). The average temperature in September is also lower at 24°C (75°F), whereas August enjoys a higher average of 26°C (79°F) and can peak at 30°C (87°F). Additionally, September experiences significantly more rainfall, with 87 mm (3.4 in) recorded over 8 days, unlike August, which only sees 10 mm (0.4 in) over just 1 day. Humidity levels also rise in September to an average of 65%, compared to a more comfortable 53% in August. For more details on the weather in August, you can check Pozzuoli weather in August.

September and October exhibit notable differences in weather patterns. In September, temperatures start to cool down from summer, with a minimum of 15°C (60°F) and an average of 24°C (75°F), reaching a maximum of 28°C (82°F). The month sees about 87 mm (3.4 in) of precipitation spread over 8 days, accompanied by a humidity level of 65%. In contrast, October experiences cooler temperatures, with a minimum of 14°C (58°F), an average of 20°C (68°F), and a maximum of 25°C (77°F). While the precipitation remains relatively similar at 86 mm (3.4 in) over the same number of days, the humidity rises to 75%, making October feel a bit more humid and chillier. For more detailed information, you can check out Pozzuoli weather in October.

September offers a warm and relatively pleasant climate, with average temperatures around 24°C (75°F) and maximums reaching 28°C (82°F). Humidity levels are moderate at 65%, and the month experiences around 87 mm (3.4 in) of precipitation over approximately 8 days. In contrast, November brings cooler temperatures, with an average of 17°C (62°F) and highs peaking at 22°C (72°F). This month is notably wetter, recording a substantial 262 mm (10.3 in) of precipitation over 17 days, and the humidity increases to 81%. For a detailed look at November weather, you can visit Pozzuoli weather in November.

In September, the weather is typically warm with average temperatures around 24°C (75°F), reaching up to a maximum of 28°C (82°F) on pleasant days. The month sees moderate precipitation, with about 87 mm (3.4 in) spread over 8 days, and humidity levels hovering around 65%. In contrast, December brings a significant cooling, with average temperatures dropping to 14°C (57°F) and maximums reaching only up to 18°C (65°F). The month is much wetter, with total precipitation of 175 mm (6.9 in) occurring over 15 days, and humidity rising to 84%. For a detailed look at the December weather specifics, visit Pozzuoli weather in December.

Compare Pozzuoli's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Pozzuoli

As summer fades in Pozzuoli, September ushers in a gentle transition, offering delightful warmth with average temperatures around 24°C (75°F), making it a perfect time for outdoor adventures. While the humidity hovers at a comfortable 65%, the month also sees an increase in rainfall, with about 8 days experiencing precipitation. This slight uptick in moisture, totaling 87 mm (3.4 in), sets September apart from the typically drier summer months, enhancing the lush landscape in and around this charming coastal town. For a more comprehensive look at how the weather unfolds throughout the year, check out Pozzuoli Climate.