September Weather in Castellammare del Golfo, Italy

Last updated: March 24, 2025

In September, Castellammare del Golfo, Italy experiences a delightful blend of warm temperatures and refreshing coastal breezes. With maximum highs reaching 34°C (94°F) and average temperatures around 24°C (76°F), the climate is inviting for outdoor activities. However, nighttime can bring cooler air, dipping to a minimum of 13°C (56°F). This month sees a moderate precipitation total of 54 mm (2.1 in) across 8 days, contributing to the lush Mediterranean landscape. Humidity levels hover around 71%, adding a touch of moisture to the warm air, making it a perfect time to explore this beautiful coastal town.

September Temperature in Castellammare del Golfo

As summer gracefully gives way to autumn, September in Castellammare del Golfo, Italy showcases a delightful climate that remains pleasantly warm. With minimum temperatures hovering around 13°C (56°F), the season offers a cozy start to fall, while the average peaks at a comfortable 24°C (76°F). Sun-seekers can still relish in the warmth, as the maximum temperatures reach a delightful 34°C (94°F), reminiscent of the hotter months. The transition marks a gradual cooling trend compared to the blazing heights of August, yet September maintains an inviting atmosphere, perfect for enjoying the stunning coastal views and exploring local culture without the summer crowds. Overall, this month serves as a captivating bridge, retaining the essence of summer while gently embracing the cooler days ahead.

September Weather in Castellammare del Golfo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Castellammare del Golfo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505254606777828276676053
Data source: Temperature data for Castellammare del Golfo 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 Castellammare del Golfo

September marks a transition in Castellammare del Golfo’s climate, with a notable increase in precipitation compared to the drier summer months. Receiving 54 mm (2.1 in) of rain over approximately 8 days, September’s weather strikes a balance between lingering summer warmth and the onset of autumn. This uptick in rainfall is a precursor to the wetter months ahead, as the following months of October and November often see significantly higher totals of 92 mm (3.6 in) and 98 mm (3.8 in), respectively. As the landscape begins to rejuvenate with the nurturing rains, September serves as a vital bridge, ushering in the change while still allowing for enough sunshine to enjoy the rich beauty of this coastal gem.

September Precipitation Trends in Castellammare del Golfo

The chart displays monthly precipitation patterns in Castellammare del Golfo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec39608051381973254929872
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Castellammare del Golfo

September in Castellammare del Golfo brings a refreshing shift in humidity, maintaining a comfortable 71%. This marks a slight rebound from the drier summer months, where humidity levels dipped to 66% in August and 67% in July. As the warmer season gradually transitions into autumn, the humidity begins to rise again, reflecting a pattern seen in the surrounding months. From a peak of 75% in January and December, Castellammare’s humidity demonstrates a gentle ebb and flow throughout the year, with September striking a perfect balance that enhances the region's pleasant early fall ambiance.

September Average Humidity in Castellammare del Golfo

This chart illustrates the average monthly humidity levels in Castellammare del Golfo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%74%73%69%67%66%71%73%74%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castellammare del Golfo

As summer fades in Castellammare del Golfo, the UV Index in September remains notably high at 8, signaling a very high exposure category. With a burn time of just 15 minutes, it’s crucial for sun seekers to stay vigilant and protect their skin. Following the peak of 10 in July and August, the slight dip offers a reminder that even as the season transitions, sun safety should remain a priority. The UV Index will gradually decline through October, foreshadowing a return to more moderate levels in the cooler months. For detailed insights into the local UV conditions, visit Castellammare del Golfo UV Index.

Maximum UV Index Levels in Castellammare del Golfo for September

The chart shows the monthly maximum UV Index (UVI) for Castellammare del Golfo 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.
JanFebMarAprMayJunJulAugSepOctNovDec356891010108743
Data source: Castellammare del Golfo 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 Castellammare del Golfo

As summer gradually transitions to autumn, September in Castellammare del Golfo offers a delightful 338 hours of sunshine, making it an ideal time for those seeking pleasant weather without the peak season crowds. The sun-drenched days follow a high point in July, which boasts the year’s most abundant sunshine at 421 hours, and while a slight decline occurs in August, September maintains a robust brightness that invites exploration of this stunning coastal town. The month stands out not only for its gentle warmth but also for hints of the waning summer light that soften the days, crafting a picturesque backdrop for leisurely walks along the Mediterranean shores and savoring local cuisine. Just as sunshine hours dip in October to 317, September serves as a beautiful bridge, encapsulating the essence of late summer charm in this Sicilian gem.

Monthly Sunshine Duration in Castellammare del Golfo: September Highlighted

The September sunshine duration represents the total number of hours Castellammare del Golfo 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.
JanFebMarAprMayJunJulAugSepOctNovDec218h275h333h353h395h402h421h394h338h317h265h267h
Data source: Castellammare del Golfo September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castellammare del Golfo During September

As summer gradually transitions to autumn, September in Castellammare del Golfo retains a delightful charm with a 61% chance of sunshine. This month is a continuation of the sunny streak that's prominent in the peak summer months of July and August, both boasting a striking 91% likelihood of clear skies. While September may not quite reach those heights, it comfortably sits above the overall average and outshines the cooler months that follow, such as October with only 38% chance of sun. This trend showcases September's unique position as a perfect blend of summer warmth and the onset of a more tranquil fall atmosphere, ensuring visitors can still bask in beautiful sunny days before the weather changes.

Percentage of Sunny Days in September in Castellammare del Golfo

The chart illustrates the percentage of sunny days in Castellammare del Golfo 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 Castellammare del Golfo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec43%56%55%47%59%61%91%91%61%38%43%49%
Data source: Castellammare del Golfo September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castellammare del Golfo in September

As summer fades into autumn, September in Castellammare del Golfo, Italy, sees a gentle decline in daylight hours, offering 12 hours of sunlight. This marks a transition from the peak of sunlit abundance, where June, July, and August basked in a full 14 hours of daylight, to the cozy warmth of early fall. Following the vibrant days of summer, September’s shorter days invite a comforting embrace of the season's changing ambiance, signaling the gradual approach of autumn's arrival. As the daylight dims, there's a unique beauty in the soft light of early evenings, perfect for savoring the lingering warmth while it lasts.

Average Daylight Hours in Castellammare del Golfo for September

The chart illustrates the variation in daylight duration in Castellammare del Golfo throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 50m10h 46m11h 58m13h 12m14h 14m14h 45m14h 28m13h 33m12h 23m11h 10m10h 5m9h 33m
Data source: Castellammare del Golfo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Castellammare del Golfo

As summer gracefully transitions into autumn, September in Castellammare del Golfo experiences a subtle shift in its character, reflected in the average wind speed of 2.2 m/s (5 mph). This gentle breeze is a continuation of the relatively calm winds that have graced the region through the warmer months, peaking in July and August at 2.5 m/s (6 mph) and 2.4 m/s (5 mph) respectively. However, as the air begins to cool, September's winds signal a softening from the lively summer gusts, marking a prelude to the more invigorating winds that October brings, averaging 2.5 m/s (6 mph). This trend emphasizes Castellammare del Golfo's pleasant coastal climate, where even as the warmth fades, the comforting whispers of the wind continue to beckon locals and travelers alike to embrace the serene beauty of the Mediterranean.

Average September Wind Speed in Castellammare del Golfo

The chart displays monthly wind speed patterns in Castellammare del Golfo, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.52.92.42.62.62.12.52.42.2 m/s2.52.83.1
Data source: Castellammare del Golfo September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Castellammare del Golfo Compares to Other Months

The weather in Castellammare del Golfo 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 del Golfo and find detailed weather information for every month.

September and January offer starkly contrasting weather experiences. In September, temperatures range from a pleasant minimum of 13°C (56°F) to a warm maximum of 34°C (94°F), with an average temperature of 24°C (76°F). This month sees about 54 mm (2.1 in) of rainfall over approximately 8 days, with humidity levels at 71%. On the other hand, January presents much cooler conditions, where the temperature can dip to as low as 0°C (33°F) and peak at 19°C (67°F), averaging just 10°C (50°F). Rainfall is slightly lower at 39 mm (1.5 in) over 9 days, with a higher humidity of 75%. For more detailed insights, check out Castellammare del Golfo weather in January.

September and February present notably different weather patterns. In September, temperatures range from a mild 13°C (56°F) at night to a warm 34°C (94°F) at the peak of the day, with an average of 24°C (76°F). The month sees approximately 54 mm (2.1 in) of precipitation spread over 8 days, all while maintaining a consistent humidity level of 71%.

In contrast, February offers a cooler climate, with minimum temperatures dipping to -1°C (31°F) and maximums reaching 23°C (73°F), averaging around 11°C (52°F). The precipitation slightly increases to 60 mm (2.3 in) but occurs over just 7 days, with the same humidity level of 71%. For a closer look at what February weather looks like, you can visit Castellammare del Golfo weather in February.

September and March present strikingly different weather patterns. In September, temperatures range from a low of 13°C (56°F) to a warm high of 34°C (94°F), with an average of 24°C (76°F). This month experiences 54 mm (2.1 in) of precipitation over about 8 days, all while maintaining a consistent humidity level of 71%. In contrast, March sees much cooler temperatures, with a minimum of 1°C (35°F), an average of 12°C (54°F), and a maximum of 23°C (74°F). Precipitation increases to 80 mm (3.2 in) over 12 days, yet the humidity also remains at 71%. For a more detailed look, you can explore Castellammare del Golfo weather in March.

September and April present distinct weather patterns that reflect the transition from summer to autumn and winter to spring, respectively. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 34°C (94°F), averaging at 24°C (76°F). The month experiences an average humidity of 71% and approximately 54 mm (2.1 in) of precipitation over 8 days. In contrast, April has cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 29°C (84°F), averaging 15°C (60°F). Although precipitation levels are similar at around 51 mm (2.0 in) over 9 days, April has slightly higher humidity at 74%. For a closer look at April's weather in this area, visit Castellammare del Golfo weather in April.

When comparing the weather in September and May, notable differences emerge despite their similar maximum temperatures of 34°C (94°F). September boasts warmer average and minimum temperatures, with averages around 24°C (76°F) and a minimum of 13°C (56°F), while May's averages are cooler, at 20°C (68°F) and a minimum of 6°C (43°F). Additionally, September experiences slightly more precipitation, totaling 54 mm (2.1 in), compared to May's 38 mm (1.5 in), though both months see a comparable number of rainy days. Humidity is also slightly higher in September at 71% versus 73% in May, making September feel a bit more muggy. For more detailed insights, check out Castellammare del Golfo weather in May.

In comparing the weather of September and June, we see that both months feature a minimum temperature around 13°C (55-56°F), but June tends to be slightly warmer overall, with an average temperature of 25°C (77°F) compared to September’s 24°C (76°F). June can reach maximum temperatures as high as 40°C (105°F), significantly warmer than September's peak of 34°C (94°F). Additionally, September experiences more rain, with 54 mm (2.1 in) of precipitation spread over 8 days, whereas June sees considerably less rain at just 19 mm (0.8 in) over 3 days. Humidity levels are relatively similar, with September at 71% and June slightly lower at 69%. For a more detailed insight into Castellammare del Golfo weather in June, the climate dynamics become even clearer.

In comparing the weather of September and July, September tends to be milder with an average temperature of 24°C (76°F), whereas July experiences hotter conditions with an average of 28°C (82°F). July also sees higher maximum temperatures, peaking at 38°C (101°F), in contrast to September’s maximum of 34°C (94°F). Additionally, September receives more precipitation, with 54 mm (2.1 in) over 8 days, compared to July’s minimal 7 mm (0.3 in) over only 2 days. Interestingly, humidity is slightly higher in September at 71%, compared to July’s 67%. For more detailed information, you can check Castellammare del Golfo weather in July.

In comparison to August, September experiences more moderate temperatures, with a minimum of 13°C (56°F) and an average of 24°C (76°F), compared to August's warmer minimum of 19°C (66°F) and average of 28°C (83°F). While September has a higher maximum temperature of 34°C (94°F) than August's peak of 42°C (107°F), it also sees more precipitation, with 54 mm (2.1 in) falling over 8 days, compared to August's 32 mm (1.3 in) over just 4 days. Additionally, September tends to be slightly more humid, averaging 71% humidity versus 66% in August. For more detailed information, you can check the Castellammare del Golfo weather in August.

September and October present a notable shift in weather patterns. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 34°C (94°F), with an average of 24°C (76°F) and relatively moderate humidity at 71%. In contrast, October sees cooler temperatures, with a minimum of 9°C (49°F) and a maximum of 30°C (86°F), leading to an average of 19°C (67°F). Additionally, October experiences increased precipitation, totaling 92 mm (3.6 in) over 12 days, compared to September’s 54 mm (2.1 in) over 8 days, coupled with slightly higher humidity at 73%. For more detailed weather statistics, check Castellammare del Golfo weather in October.

In comparing the weather between September and November, September offers warmer temperatures, with a minimum of 13°C (56°F) and an average high of 34°C (94°F), while November cools down significantly, presenting a minimum of 7°C (45°F) and an average maximum of 24°C (75°F). Precipitation also increases in November, with 98 mm (3.8 in) spread over 12 days, compared to September's 54 mm (2.1 in) over just 8 days. Humidity remains relatively similar between the two months, with September at 71% and November slightly higher at 74%. For more detailed information, you can check Castellammare del Golfo weather in November.

In September, the weather is comparatively warm, with temperatures ranging from a low of 13°C (56°F) to a high of 34°C (94°F) and an average of 24°C (76°F). This month experiences about 54 mm (2.1 in) of precipitation over approximately 8 days, accompanied by a humidity level of 71%. In contrast, December brings a significant drop in temperature, with a minimum of -1°C (30°F), an average of 12°C (53°F), and a maximum of 20°C (68°F). While December sees slightly more rainfall at 72 mm (2.8 in) over 11 days and a marginally higher humidity of 75%, the overall feel of the two months is quite different. For more detailed insights, you can check out Castellammare del Golfo weather in December.

Compare Castellammare del Golfo's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Castellammare del Golfo

As summer gently shifts into autumn, September in Castellammare del Golfo offers a delightful transition, with temperatures comfortably ranging around a pleasant average of 24°C (76°F). While you can still expect warm days, the sizzling peaks of earlier summer months begin to wane, providing a more enjoyable climate for outdoor activities. With approximately 54 mm of rainfall spread over 8 days, this month brings just enough moisture to refresh the landscape without dampening the spirit of exploration. The humidity level settles at a moderate 71%, making the air feel crisp yet comfortable. For a more detailed understanding of the seasonal shifts in weather, visit Castellammare del Golfo Climate.