September Weather in Giglio Porto, Italy

Last updated: March 24, 2025

In September, Giglio Porto offers a delightful climate characterized by warm temperatures and moderate humidity. With maximum highs reaching 27°C (81°F) and an average of 23°C (74°F), visitors can enjoy pleasant days ideal for outdoor activities. Nights cool down to a comfortable minimum of 16°C (61°F), perfect for cozy evenings. Though rainfall might occur on approximately 7 days, totaling 51 mm (2.0 in), the overall atmosphere remains inviting, thanks to a humidity level of 66%. This picturesque Italian destination combines warmth and charm, making it an ideal choice for early autumn exploration.

September Temperature in Giglio Porto

In Giglio Porto, Italy, September marks a delightful transition into early autumn, showcasing mild temperatures that invite outdoor exploration. With minimums around 16°C (61°F) and daily averages reaching 23°C (74°F), visitors can enjoy comfortably warm days perfect for strolling the picturesque coastline. The maximum temperatures of 27°C (81°F) still evoke the lingering warmth of summer, providing an excellent opportunity to bask in the sun or dine al fresco. As the month progresses, the weather gradually cools, hinting at the approaching autumn, yet remains inviting enough for a variety of activities, from hiking to savoring local cuisine. Overall, September in Giglio Porto presents a harmonious blend of warmth and ease, making it an ideal time for a visit.

September Weather in Giglio Porto: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Giglio Porto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec535455586471777873676156
Data source: Temperature data for Giglio Porto 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 Giglio Porto

In September, Giglio Porto experiences a noticeable increase in precipitation following the dry summer months. With 51 mm (2.0 in) of rain falling over 7 days, this transition marks a return to wetter conditions as autumn approaches. This rainfall is a slight uptick compared to the preceding months of June, July, and August, which saw record low precipitation levels, with only 4 mm (0.2 in) in August. The precipitation in September serves as a reminder of the changing seasons, foreshadowing the wetter months ahead, particularly October and November, which bring significantly higher rainfall totals. As such, September is often seen as a bridge between the arid summer and the increasingly damp fall, setting the stage for the lush landscapes that follow.

September Precipitation Trends in Giglio Porto

The chart displays monthly precipitation patterns in Giglio Porto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec55555345428104529316886
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Giglio Porto

September in Giglio Porto marks a transition as summer wanes, with humidity levels rising slightly to 66% after the drier months of July and August, which both recorded low points of 57% and 55%, respectively. This increase in humidity hints at the onset of autumn, as the atmosphere begins to hold more moisture in preparation for the cooler months ahead. Comparatively, January's humid climate — peaking at 84% — and October's return to higher humidity levels at 79% create a noticeable rhythm in Giglio Porto's year, showcasing a significant fluctuation that influences both the local weather and the overall feel of this charming coastal town. Thus, while September still enjoys the remnants of summer warmth, it subtly signals the return of more humid conditions typical of the autumn season.

September Average Humidity in Giglio Porto

This chart illustrates the average monthly humidity levels in Giglio Porto, 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%68%70%69%62%57%55%66%79%84%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Giglio Porto

As September unfolds in Giglio Porto, Italy, the UV Index settles at a moderate 7, indicating a high exposure category where caution is warranted. Compared to the peak summer months, where the Index reached a sizzling 10 in June and 9 in July and August, September offers a slight reprieve. However, the burn time remains significant at 25 minutes, urging sun-seekers to stay vigilant. This transition from summer's intense rays to the more manageable sunlight of early autumn reflects a broader trend throughout the year, where the UV Index starts at a low of 2 in January, escalates dramatically by mid-summer, and then gradually tapers off. For more insights and detailed data, check out the Giglio Porto UV Index.

Maximum UV Index Levels in Giglio Porto for September

The chart shows the monthly maximum UV Index (UVI) for Giglio Porto 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.
JanFebMarAprMayJunJulAugSepOctNovDec2457810997532
Data source: Giglio Porto 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 Giglio Porto

September in Giglio Porto, Italy, offers a delightful transition from the summer months, basking in a generous 341 hours of sunshine. This marks a gentle decline from the sun-drenched days of July, which typically sees the highest sun exposure at 432 hours. As summer gives way to fall, September's sunshine creates the perfect backdrop for exploring the island's timeless charm. While sun hours decrease, the warm weather remains inviting, continuing to attract visitors eager to enjoy the lingering summer vibe. This idyllic month effectively bridges the vibrant energy of August's 402 hours and the cooler, cozier days of October, setting the stage for a beautiful autumn experience in this enchanting Italian locale.

Monthly Sunshine Duration in Giglio Porto: September Highlighted

The September sunshine duration represents the total number of hours Giglio Porto 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.
JanFebMarAprMayJunJulAugSepOctNovDec202h262h331h357h405h418h432h402h341h316h251h247h
Data source: Giglio Porto September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Giglio Porto During September

In Giglio Porto, September typically showcases a delightful blend of late-summer warmth and beautiful sunny days, with a 62% chance of sunshine. This trend follows the peak of summer, where August enjoys a robust 77% likelihood of clear skies, but September still holds its own as a pleasant month for outdoor activities. As the year progresses towards autumn, the chance of sun dips slightly, but compared to the cooler months ahead, September remains a lovely option for sun-seekers. With an average of more than half the days graced by sunshine, it’s the perfect time to embrace the lingering warmth of the season.

Percentage of Sunny Days in September in Giglio Porto

The chart illustrates the percentage of sunny days in Giglio Porto 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 Giglio Porto experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%60%66%56%54%62%71%77%62%50%39%51%
Data source: Giglio Porto September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Giglio Porto in September

As September arrives in Giglio Porto, Italy, the daylight begins to wane, offering about 12 hours of sunlight each day. This marks a transition from the sun-drenched warmth of summer, where July peaks at 14 hours of daylight, to the shorter, cooler days of autumn. The month follows an upward trend that starts in January with just 9 hours, gradually increasing until the summer solstice in June. Following this peak, daylight hours begin to dwindle, signaling the impending change of seasons. In September, the sun still graces the island with ample light, but a subtle shift towards early autumn hues is felt as daylight starts to retreat, making way for the cozy, intimate atmosphere of fall.

Average Daylight Hours in Giglio Porto for September

The chart illustrates the variation in daylight duration in Giglio Porto throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 27m10h 33m11h 57m13h 23m14h 36m15h 12m14h 53m13h 48m12h 26m11h 1m9h 45m9h 7m
Data source: Giglio Porto daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Giglio Porto

As summer transitions into autumn, September brings a gentle shift in the winds of Giglio Porto, Italy, with an average speed of 4.6 m/s (10 mph). This slight increase from August's calmer breezes allows for enjoyable days by the sea, creating an inviting atmosphere for leisurely strolls along the waterfront. Notably, September's winds are a precursor to the seasonal uptick in gusts, as the average speeds begin to rise again in October, reaching 6.4 m/s (14 mph). Throughout the year, the wind patterns reflect a dynamic dance, with the peak speeds occurring in the cooler months of November and December, but September offers a delightful balance—perfect for both relaxation and adventure amid the beautiful coastal scenery.

Average September Wind Speed in Giglio Porto

The chart displays monthly wind speed patterns in Giglio Porto, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.36.15.15.45.03.75.24.04.6 m/s6.47.06.3
Data source: Giglio Porto September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Giglio Porto Compares to Other Months

The weather in Giglio Porto 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 Giglio Porto and find detailed weather information for every month.

September and January exhibit stark contrasts in weather. In September, temperatures are milder, with minimums around 16°C (61°F) and maximums peaking at 27°C (81°F), making it a pleasant month with a moderate average of 23°C (74°F). Precipitation is relatively low at 51 mm (2.0 in) over about 7 days, and humidity sits at a comfortable 66%.

In contrast, January brings much cooler temperatures, with highs only reaching 17°C (63°F) and lows dropping to a brisk 3°C (37°F), resulting in a much lower average of 12°C (54°F). Precipitation also increases slightly to 55 mm (2.2 in) over roughly 8 days, accompanied by higher humidity at 84%. For more details on the January climate, visit Giglio Porto weather in January.

September and February present distinct contrasts in weather. In September, temperatures are notably warmer, with averages around 23°C (74°F) and maximums reaching up to 27°C (81°F), while February experiences much cooler conditions, averaging only 12°C (55°F) and peaking at 17°C (62°F). Precipitation levels are similar, with September receiving 51 mm (2.0 in) and February slightly higher at 55 mm (2.2 in), though both months see rain on about seven days. Additionally, February exhibits a higher humidity level at 76%, compared to September's 66%, contributing to a chillier feel during the winter month. For further details about February weather, you can check Giglio Porto weather in February.

In comparing the weather of September and March, one can observe notable differences in temperature and overall conditions. September boasts a more temperate climate, with average highs reaching 27°C (81°F) and a minimum of 16°C (61°F), creating an ideal environment for outdoor activities. In contrast, March presents a much cooler atmosphere, with temperatures averaging around 13°C (55°F), peaking at 17°C (63°F) and dipping as low as 2°C (37°F). Both months see similar precipitation levels, around 51 mm (2.0 in) in September and slightly higher at 53 mm (2.1 in) in March, with rainfall occurring on approximately seven days. Additionally, humidity levels are relatively close, at 66% in September and 68% in March. For more detailed weather insights, you can check Giglio Porto weather in March.

When comparing the weather in September and April, notable differences emerge in both temperature and precipitation. September typically enjoys milder conditions, with average highs around 23°C (74°F) and lows of 16°C (61°F), while April sees cooler temperatures, averaging only 15°C (58°F) with a minimum of 8°C (47°F). Both months experience similar levels of precipitation, with September slightly wetter at 51 mm (2.0 in) over about 7 days compared to April's 45 mm (1.8 in) over 6 days. Additionally, humidity levels are slightly higher in April at 70%, compared to September’s 66%. For more detailed information, you can check Giglio Porto weather in April.

In September, the weather typically presents milder temperatures with a minimum of 16°C (61°F) and an average high of 27°C (81°F), fostering a warm and pleasant atmosphere. In contrast, May experiences cooler temperatures, where the minimum is 11°C (51°F) and the average high reaches 24°C (76°F). While September has slightly higher precipitation at 51 mm over 7 days compared to May’s 42 mm also over 7 days, the humidity levels remain somewhat similar, with September at 66% and May at 69%. Overall, September tends to feel warmer and drier than May, making it an inviting time for outdoor activities. For more details on May weather, you can check Giglio Porto weather in May.

When comparing the weather in September and June, we observe some notable differences. September tends to be slightly warmer, with average temperatures around 23°C (74°F) compared to June’s average of 22°C (72°F). However, June experiences a marginally lower minimum temperature and a slightly higher maximum temperature, reaching up to 28°C (82°F). Precipitation is significantly higher in September, with 51 mm (2.0 in) over 7 days, while June enjoys drier conditions, registering only 8 mm (0.3 in) over just 2 days. Humidity levels are also slightly higher in September at 66%, compared to June’s 62%. For a more detailed look, you can check Giglio Porto weather in June.

In comparing the weather between September and July, we see notable differences in temperature and precipitation. September temperatures range from a minimum of 16°C (61°F) to a maximum of 27°C (81°F), with an average temperature of 23°C (74°F). In contrast, July typically experiences warmer conditions, with a minimum of 21°C (71°F), an average of 25°C (77°F), and a peak of 28°C (82°F). Additionally, September brings more rain, with 51 mm (2.0 in) of precipitation over 7 days, compared to just 10 mm (0.4 in) over a single day in July. Humidity levels are also higher in September at 66%, while July maintains a lower humidity of 57%. For a closer look at the July weather specifics, you can check Giglio Porto weather in July.

In comparing the weather between August and September, we see notable differences. August tends to be warmer with minimum temperatures around 21°C (70°F) and an average of 26°C (78°F), while September cools down slightly with a minimum of 16°C (61°F) and an average of 23°C (74°F). Additionally, August is relatively dry, recording only 4 mm (0.2 in) of precipitation over the month, whereas September experiences increased rainfall, with 51 mm (2.0 in) and rain spread over 7 days. Humidity levels also rise from 55% in August to 66% in September, contributing to a noticeable shift in the overall comfort of the weather. For more insights on August weather, visit Giglio Porto weather in August.

In September, the weather tends to be warmer with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 27°C (81°F), accompanied by a moderate level of humidity at 66%. The month experiences a total precipitation of 51 mm (2.0 in) over about 7 days. In contrast, October brings cooler temperatures, with averages dropping to a minimum of 14°C (58°F) and a maximum of 24°C (75°F). Precipitation increases significantly to 93 mm (3.6 in), while humidity rises to 79%, indicating a more humid atmosphere. For a detailed look at the weather in October, check out Giglio Porto weather in October.

In September, the weather is generally warm and pleasant, with average temperatures around 23°C (74°F) and maximums reaching up to 27°C (81°F). The month also experiences moderate humidity at 66% and relatively low precipitation levels of 51 mm (2.0 in) over about 7 days. In contrast, November brings much cooler temperatures, with averages dropping to 16°C (61°F) and maximums peaking at 21°C (69°F). The month is characterized by significantly higher precipitation, totaling 168 mm (6.6 in) over 16 days, and an increase in humidity to 84%. For a detailed look at the conditions you can expect during this time, check out the Giglio Porto weather in November.

September offers a pleasant transition into autumn, with average temperatures around 23°C (74°F) and relatively low humidity at 66%. It's characterized by warm days, peaking at 27°C (81°F), but it also sees some rainfall, averaging 51 mm (2.0 in) over 7 days. In contrast, December brings cooler weather, with an average temperature of just 14°C (57°F) and a noticeable drop in maximum temperatures to 17°C (63°F). The month is wetter, with precipitation totaling 86 mm (3.4 in) spread across 12 days, and humidity rises to 83%, making it feel chillier than September. For a detailed look at what to expect, check out Giglio Porto weather in December.

Compare Giglio Porto's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Giglio Porto

As summer fades, September in Giglio Porto offers a delightful transition with its warm yet moderate temperatures and a refreshing coastal breeze. This month stands out with comfortably warm days and cooler evenings, making it ideal for both exploration and relaxation. Although September experiences some rainfall, it's much lighter than in the earlier summer months, providing a pleasant backdrop for outdoor activities. With an average humidity of 66%, the air remains pleasantly crisp without the oppressive heaviness often found in peak summer. For a detailed understanding of what to expect year-round, check out the Giglio Porto Climate.