September Weather in Ponza, Italy

Last updated: March 24, 2025

Experience the stunning September weather in Ponza, Italy, where the charm of early autumn beckons. With a maximum temperature reaching 28°C (82°F) and an inviting average of 24°C (75°F), the island offers a delightful climate for exploration. Although occasional showers may occur, with 83 mm (3.3 in) of rain over about 7 days, the humidity remains a comfortable 65%, ensuring warm and pleasant days. Ideal for outdoor activities, Ponza in September is a perfect blend of sunshine and a gentle sea breeze, making it an unforgettable getaway destination.

September Temperature in Ponza

In September, Ponza, Italy, experiences a delightful transition as summer begins to wane, bringing mild temperatures that create the perfect atmosphere for exploration. With minimums around 15°C (60°F) and averages peaking at 24°C (75°F), the island is pleasantly warm but not overly hot, making it ideal for outdoor activities. Highs reach up to 28°C (82°F), allowing for those last sunny beach days before autumn sets in. This month marks a noticeable shift from the sweltering heat of July and August, as the island's climate becomes more temperate, inviting visitors to soak in the stunning views without the summer crowds. Overall, September in Ponza offers a wonderful blend of warmth and comfort, perfect for enjoying the island's natural beauty and charm.

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

The chart illustrates September temperature patterns in Ponza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545555596572777975686357
Data source: Temperature data for Ponza 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 Ponza

In September, Ponza experiences a significant uptick in precipitation, with an average of 83 mm (3.3 in), following a notably dry summer. This month stands out with 7 rainy days, marking a transition from the parched conditions of August, which recorded only 7 mm (0.3 in) across the entire month. The increased rainfall in September signals the onset of the autumn season, as the island prepares for a more consistent pattern of wet weather leading into October, which sees a similar amount of 81 mm (3.2 in). Overall, September serves as a bridge between the dry summer months and the wetter fall, providing vital moisture to the landscapes of this picturesque Italian island.

September Precipitation Trends in Ponza

The chart displays monthly precipitation patterns in Ponza, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9577654045131188382234138
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ponza

As summer transitions into autumn, September in Ponza, Italy, brings a noticeable shift in humidity levels, averaging 65%. This marks a rise from the notably dry conditions of August, which recorded a mere 53% humidity. The trend reveals a gradual increase in moisture as the year progresses, with humidity reaching its peak in the winter months—84% in January and December. Overall, September serves as a bridge, where the lingering warmth of summer begins to meld with the cooler, more humid vibes of the approaching fall, providing a comfortable atmosphere for both locals and visitors alike.

September Average Humidity in Ponza

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

In September, Ponza, Italy, experiences a very high UV Index of 8, which indicates that sun exposure can lead to skin damage in a mere 15 minutes of unprotected contact. This trend demonstrates a continuation of the peak summer conditions, where UV levels have been notably elevated—hovering at 9 in August and reaching their highest at 10 in June and July. As autumn approaches, the UV Index begins to gradually decline, yet September still demands caution and protection against harmful rays. With the sun still strong, it’s essential to stay vigilant when enjoying the beautiful beaches and outdoor activities in this stunning locale. For detailed insights on UV levels throughout the year, visit the Ponza UV Index for up-to-date information.

Maximum UV Index Levels in Ponza for September

The chart shows the monthly maximum UV Index (UVI) for Ponza 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.
JanFebMarAprMayJunJulAugSepOctNovDec34579101098642
Data source: Ponza 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 Ponza

As summer gracefully transitions into autumn, September in Ponza, Italy, offers a delightful blend of warmth and sunlight, boasting 338 hours of sunshine throughout the month. While this is a dip from the sun-soaked days of July, which enjoys a peak of 429 hours, it still captures the essence of late summer charm. The sun's embrace lingers longer than in the brisk October, which sees a further decline to 315 hours. This gradual decrease in sunlight reflects a beautiful shift in the island’s atmosphere—ideal for enjoying the stunning landscapes and tranquil beaches without the peak tourist crowds. September paints Ponza in softer light, making it a perfect time for leisurely exploration and relaxation amidst the fading summer glow.

Monthly Sunshine Duration in Ponza: September Highlighted

The September sunshine duration represents the total number of hours Ponza 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.
JanFebMarAprMayJunJulAugSepOctNovDec202h263h328h354h401h414h429h398h338h315h246h247h
Data source: Ponza September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ponza During September

September in Ponza, Italy, enjoys a promising 57% chance of sunny weather, making it a delightful time for visitors seeking a warm escape. While this figure is lower than the summer months of July and August, which boast impressive probabilities of 76% and 79% respectively, it still stands out favorably compared to the changing seasons ahead. As autumn sets in, the likelihood of sunshine dips in October to 41%, signaling that September is a golden window for enjoying the sun-soaked vistas and vibrant atmosphere of this charming island before cooler weather takes hold. Whether lounging on the beach or exploring local treasures, September offers an inviting blend of warmth and fading summer brilliance.

Percentage of Sunny Days in September in Ponza

The chart illustrates the percentage of sunny days in Ponza 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 Ponza experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%53%60%49%53%61%76%79%57%42%35%51%
Data source: Ponza September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ponza in September

As September unfolds in Ponza, Italy, the island enjoys 12 hours of daylight, a slight decline from the sun-drenched heights of summer. This month marks a gentle transition from the vibrant warmth of July and August, with their 14 and 13 hours of daylight respectively, toward the cooler, shorter days of autumn. The increasing dusk is a reminder of nature’s rhythm, as September gracefully balances between the lingering brightness of summer and the encroaching shadow of October’s 11 hours. This gradual shift enhances the beauty of Ponza’s landscapes, inviting visitors to savor the island’s charm in the softer light that blankets the shores.

Average Daylight Hours in Ponza for September

The chart illustrates the variation in daylight duration in Ponza throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 35m10h 38m11h 57m13h 19m14h 28m15h 3m14h 44m13h 43m12h 25m11h 4m9h 53m9h 16m
Data source: Ponza daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ponza

As summer fades into autumn, September winds in Ponza, Italy offer a gentle transition, with an average speed of 3.6 m/s (8 mph). This marks a notable decrease from the breezy summer months of July and August, which both hover around 4.2 m/s (9 mph). The calming winds create a serene atmosphere, perfect for those seeking to enjoy the island's natural beauty without the often blustery conditions of the preceding months. As temperatures cool and winter approaches, wind speeds begin to rise again in October, hinting at the seasonal shifts that characterize Ponza's unique climate. This harmonious flow not only enhances the charm of September but also sets the stage for the more robust winds that follow.

Average September Wind Speed in Ponza

The chart displays monthly wind speed patterns in Ponza, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.84.94.44.64.33.14.24.23.6 m/s4.46.45.5
Data source: Ponza September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ponza Compares to Other Months

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

In September, the weather is generally warm and pleasant, with average temperatures around 24°C (75°F) and a maximum of 28°C (82°F), making it ideal for outdoor activities. However, the month sees about 83 mm (3.3 in) of precipitation over approximately 7 days, contributing to a humidity level of 65%. In contrast, January brings cooler temperatures, with an average of just 12°C (54°F) and a maximum of 17°C (62°F). This month experiences slightly higher precipitation at 95 mm (3.8 in) over 11 days, along with increased humidity at 84%. For detailed insights into January's weather specifically, you can visit Ponza weather in January.

September and February present contrasting weather conditions. In September, the temperatures are generally warmer, with an average of 24°C (75°F), peaking at 28°C (82°F), while February is much cooler, averaging just 13°C (55°F) and reaching a maximum of 17°C (63°F). The humidity in February is slightly higher at 76%, whereas September experiences a moderate humidity level of 65%. Additionally, both months have comparable precipitation, with September receiving 83 mm (3.3 in) over 7 days and February slightly less at 77 mm (3.0 in) over 9 days. For a detailed look at February weather, check out Ponza weather in February.

September and March present quite contrasting weather characteristics. In September, temperatures are generally milder with averages around 24°C (75°F), peaking at a comfortable 28°C (82°F). This month experiences 83 mm (3.3 in) of precipitation over 7 days, with a humidity level of 65%, creating a warm and somewhat humid atmosphere. In contrast, March sees significantly cooler temperatures, with a maximum of only 16°C (62°F) and an average of 13°C (56°F). Although it experiences slightly less precipitation at 65 mm (2.6 in) over 8 days, the humidity is slightly higher at 69%. For more specific details on March weather, you can check Ponza weather in March.

September generally presents warmer weather compared to April, with average temperatures soaring to around 24°C (75°F) and maximums reaching up to 28°C (82°F). In contrast, April's air is cooler, with average temperatures around 15°C (59°F) and maximums only hitting 21°C (70°F). Both months experience similar levels of precipitation, with September receiving 83 mm (3.3 in) and April 40 mm (1.6 in), though the humidity in April is slightly higher at 70% compared to September's 65%. For more details on the weather in April, you can visit Ponza weather in April.

In comparing the weather of September and May, September tends to be warmer with average temperatures reaching 24°C (75°F), peaking at a maximum of 28°C (82°F), compared to May's average of 18°C (65°F) and a maximum of 25°C (76°F). While both months see precipitation on about 7 days, September experiences significantly more rainfall, totaling 83 mm (3.3 in) compared to May's 45 mm (1.8 in). Additionally, humidity levels are relatively similar, with September at 65% and May slightly higher at 70%. For a more detailed look at the weather specifics in May, you can visit Ponza weather in May.

In comparing the weather between September and June, we observe that September features a slightly broader temperature range, with a minimum of 15°C and an average of 24°C, peaking at 28°C. In contrast, June starts off warmer with minimum temperatures of 17°C and an average of 22°C, also reaching up to 28°C. September experiences significantly higher precipitation, totaling 83 mm over 7 days, while June sees only 13 mm of rain in just 1 day, resulting in a drier period overall. Additionally, humidity levels are slightly higher in September at 65%, compared to June's 61%. For more details on the weather in June, you can refer to Ponza weather in June.

In comparing the weather of September and July, September generally has a milder temperature profile, with a minimum of 15°C (60°F) and an average of 24°C (75°F), compared to July's warmer range, which starts at a minimum of 22°C (72°F) and averages 25°C (78°F). Both months reach similar maximum temperatures of around 28°C (82°F to 84°F). However, September experiences significantly higher precipitation, with 83 mm (3.3 in) over about 7 days, while July is much drier, receiving just 11 mm (0.4 in) over 2 days. Additionally, September has a higher humidity level at 65%, compared to July's 57%. For more specific details on July weather patterns, you can check Ponza weather in July.

In comparing the weather between September and August, we see notable differences. September experiences cooler temperatures with a minimum of 15°C (60°F) and an average of 24°C (75°F), whereas August remains warmer, starting at a minimum of 22°C (71°F) and averaging 26°C (79°F). Additionally, September is noticeably wetter, with a total precipitation of 83 mm (3.3 in) spread over 7 days, compared to a dry August that records only 7 mm (0.3 in) of rain without any rainy days. Humidity also increases in September to 65%, up from August's 53%. For those interested in detailed weather patterns, you can find more about August's conditions here: Ponza weather in August.

September and October showcase a gradual transition in weather patterns. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 28°C (82°F), with an average of 24°C (75°F), while precipitation is about 83 mm (3.3 inches) over 7 days. The humidity sits at a comfortable 65%.

In contrast, October sees a slight decline in overall temperatures, with a minimum of 15°C (59°F) and a maximum of 25°C (76°F), leading to an average of 20°C (69°F). Precipitation remains similar at 81 mm (3.2 inches) but occurs over 9 days, and humidity increases to 75%. This shift indicates a cooler and slightly wetter month. For more details, check out Ponza weather in October.

September typically brings warmer temperatures with a minimum of 15°C (60°F) and an average high of 28°C (82°F), making it a pleasant time to enjoy outdoor activities. However, this month also sees some rainfall, averaging 83 mm (3.3 in) over about 7 days, alongside a humidity level of 65%. In contrast, November experiences cooler conditions, with temperatures dipping to a minimum of 10°C (49°F) and averaging 17°C (63°F). This month is also significantly wetter, receiving about 234 mm (9.2 in) of precipitation over 18 days, and a rise in humidity to 81%. For a detailed look at what to expect, check out Ponza weather in November.

September and December present distinctly different weather patterns. In September, temperatures are milder, with an average of 24°C (75°F), peaking at 28°C (82°F) during the day, while enjoying relatively lower humidity at 65%. However, this month experiences some rainfall, with 83 mm (3.3 in) over about 7 days. In contrast, December brings cooler weather, where the average temperature drops to 14°C (58°F), with daytime highs reaching only 18°C (65°F). This month sees significantly more rainfall, totaling 138 mm (5.4 in) spread over 16 days, along with a rise in humidity to 84%. For a detailed look at what to expect from Ponza's winter climate, check out Ponza weather in December.

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Conclusion: What to Expect From September Weather in Ponza

As summer fades, September in Ponza offers a delightful transition with warm temperatures averaging around 24°C (75°F), punctuated by maximums reaching 28°C (82°F). Unlike the scorching highs of July and August, this month provides a more temperate climate, making it ideal for enjoying outdoor activities while avoiding the peak season crowd. However, be prepared for its occasional rain, as it sees about 83 mm (3.3 in) of precipitation spread over roughly 7 days. With a comfortable humidity level at 65%, September presents a pleasant blend of warmth and refreshing breezes. For more insights on the weather patterns throughout the year, visit Ponza Climate.