Last updated: March 24, 2025
September in Pompei, Italy offers a delightful blend of mild temperatures and occasional rain, making it an ideal time to explore the ancient ruins. With a maximum temperature reaching 29°C (85°F) and an average of 22°C (72°F), the weather is pleasantly warm, perfect for outdoor activities. The minimum temperature dips to 13°C (56°F) during the cooler evenings. Visitors should be prepared for 96 mm (3.8 in) of precipitation over about 10 days, adding a refreshing touch to the atmosphere. The humidity level stands at 65%, contributing to the region's lush beauty and vibrant landscape. Overall, September provides a compelling mix of comfortable warmth and scenic charm, inviting exploration and discovery.
September in Pompeii presents a delightful transition from the sweltering summer months to the pleasant autumn climate. With temperatures ranging from a mild 13°C (56°F) at night to a comfortable 22°C (72°F) during the day, visitors can enjoy the city’s historical sites without the intense heat. The maximum temperatures reach a warm 29°C (85°F), perfect for exploring the ancient ruins or savoring a gelato in the shade. This month marks a shift in warmth, as the region gradually begins to cool down from the peak summer heat, making it an ideal time for tourists to experience the vibrant culture and rich history of Pompeii in a more temperate setting.
In September, Pompei experiences a noticeable increase in precipitation, receiving about 96 mm (3.8 in) over 10 days. This marks a significant uptick from the drier summer months, where rainfall dipped to a mere 16 mm in July and 21 mm in August. As the region transitions into autumn, September's rains pave the way for the wetter months ahead, foreshadowing the dramatic surge in precipitation that will culminate in November, where averages soar to a striking 258 mm (10.2 in). This shift not only highlights the changing seasons but also refreshes the landscape, inviting vibrant hues and life back into the historic surroundings of Pompei after a languid summer.
As summer gives way to autumn, September in Pompei experiences a notable uptick in humidity, rising to 65% after the drier months of July and August, which boast humidity levels of 57% and 53% respectively. This increase signals a gradual return to the higher moisture levels typical of the fall season, as October's humidity reaches 75% and continues the trend towards the wetter months ahead. Notably, September serves as a transitional month, marking a shift from the dryness of summer back to the more humid conditions seen from late autumn through winter, with December peaking at 84%. Thus, visitors to Pompei in September can expect a refreshing blend of warm weather and a comfortable, albeit slightly more humid, atmosphere.
In September, Pompei, Italy experiences a UV Index of 8, categorizing the sun exposure as very high and resulting in a burn time of just 15 minutes. This indicates a slight decrease from the peak summer months of July and August, which both hit a UV Index of 10, but still demands caution when enjoying the outdoors. The trend shows that as the sun begins to recede into autumn, the UV levels remain significant, emphasizing the importance of sun protection throughout the month. With the historical context of a rising UV Index from the moderate levels of January through April, September continues to highlight the need for awareness as summer wanes. For more insights on sun safety, visit Pompei UV Index.
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In Pompei, Italy, September shines with 336 hours of sunlight, a delightful dip from the peak of summer but still a welcome embrace of warmth. As summer transitions into autumn, the days gradually shorten from July's 424 hours to September's bright yet mellow glow. The gradual decrease in sunlight hours mirrors the arrival of fall, inviting visitors to enjoy the historical sites in a more comfortable climate. This month softly wraps up the sunny season, allowing for pleasant afternoons and enchanting evenings, with a generous amount of sunshine before October's arrival brings even shorter days at 310 hours. September stands as a beautiful bridge between the vibrancy of summer and the cozy allure of autumn, making it an ideal time to explore the cultural riches of this ancient city.
In September, Pompei, Italy, enjoys a 56% chance of sunny weather, marking a delightful transition from the peak summer months. Following the high summer averages of 78% in July and 79% in August, the probability of sunshine dips but remains relatively robust. This trend reflects the shifting seasons, where the sun still graces the region, providing ample opportunities for outdoor exploration and cultural experiences against the backdrop of the iconic ruins. As autumn approaches, visitors can appreciate the charm of Pompei with a pleasant blend of sunshine and cooler temperatures, making September a particularly inviting time to visit.
As summer fades into autumn, September in Pompei, Italy offers a gentle transition with approximately 12 hours of daylight. This month sees a noticeable decline from the sun-soaked days of June, which boasted 15 hours, yet still retains a comfortable brightness compared to the shorter days of winter. After basking in 14 hours of sunlight in May and 13 hours in August, the slight decrease in daylight feels natural as the region prepares for the cooler months ahead. This rhythmic ebb and flow of daylight not only marks the seasonal change but also enhances the charm of Pompei, inviting visitors to explore its ancient wonders beneath a warm, autumnal sun.
As September unfolds in Pompei, Italy, the winds begin to soften, reflecting the transition from the bustling summer months to the gentle embrace of autumn. With an average wind speed of 2.5 m/s (6 mph), this month experiences a slight dip compared to the summer's breezy moments, where July and August lingered around 2.4 to 2.7 m/s (5 to 6 mph). This gradual decrease is a prelude to the more invigorating gusts of October, which see a resurgence to 3.7 m/s (8 mph). Overall, September's calm breezes add a tranquil charm to Pompei, inviting both locals and visitors to savor the fading warmth of summer while hinting at the cooler days ahead.
The weather in Pompei 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 Pompei and find detailed weather information for every month.
September and January present stark contrasts in weather. In September, temperatures range from a pleasant 13°C (56°F) at night to a warm 29°C (85°F) during the day, complemented by moderate humidity of 65%. The month experiences about 96 mm (3.8 in) of precipitation over 10 days, making it relatively wet but still warm. In contrast, January is much colder, with temperatures dipping as low as -2°C (29°F) and averaging only 9°C (49°F). This winter month sees higher humidity at 84% and greater precipitation of 114 mm (4.5 in) over 11 days, contributing to a chillier and more damp environment. For more details, you can visit Pompei weather in January.
September and February present distinctly different weather conditions. In September, temperatures range from a mild 13°C (56°F) to a warm 29°C (85°F), with an average of 22°C (72°F), making it a pleasant month for outdoor activities. However, it also sees considerable precipitation, totaling 96 mm (3.8 in) over about 10 days, with humidity hovering around 65%. In contrast, February is much cooler, with temperatures ranging from a chilly 1°C (34°F) to a moderate 17°C (63°F), and an average of just 10°C (51°F). This month experiences even higher precipitation at 125 mm (4.9 in) over the same number of days, coupled with increased humidity at 76%. For more specific insights on February weather, you can check Pompei weather in February.
In comparing the weather of September and March, September tends to be much warmer, boasting average temperatures around 22°C (72°F) with maximums reaching up to 29°C (85°F). In contrast, March experiences a cooler climate with an average temperature of only 11°C (52°F) and maximums that peak at 19°C (67°F). Both months see a fair amount of precipitation, with September recording 96 mm (3.8 in) over 10 days, while March has slightly higher precipitation at 102 mm (4.0 in) across 11 days. Additionally, March has a bit more humidity at 69% compared to September’s 65%. For more detailed weather insights, you can check Pompei weather in March.
September and April showcase a distinct contrast in weather conditions. In September, temperatures range from a mild 13°C (56°F) at night to a warm 29°C (85°F) during the day, with an average of 22°C (72°F). The month also brings more precipitation, totaling 96 mm (3.8 in) over about 10 days, accompanied by a humidity level of 65%. In contrast, April experiences cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 25°C (78°F) and an average of 14°C (57°F). Precipitation is less frequent in April, amounting to 57 mm (2.2 in) over the same number of days but with slightly higher humidity at 70%. For a closer look at conditions during this time, you can refer to Pompei weather in April.
September generally offers warmer temperatures compared to May, with average highs reaching up to 29°C (85°F) versus May's 27°C (81°F). While September's minimum temperature is slightly higher at 13°C (56°F) compared to May's 9°C (48°F), both months experience a fair amount of humidity, with September at 65% and May at 70%. Additionally, September tends to be wetter, receiving 96 mm (3.8 in) of precipitation over about 10 days, whereas May has a total of 70 mm (2.7 in) over 8 days. For more specific details about the weather in May, you can visit Pompei weather in May.
In comparing the weather of September and June, both months showcase similar average temperatures around 22°C (72°F). However, September tends to be slightly warmer with maximum temperatures reaching up to 29°C (85°F), while June peaks at 30°C (86°F). Precipitation levels differ significantly, as September experiences about 96 mm (3.8 in) over 10 days, making it much wetter compared to June's minimal 27 mm (1.1 in) over just 4 days. Additionally, humidity levels are slightly higher in September at 65% compared to 61% in June. For more details on the specific conditions during this month, you can visit Pompei weather in June.
Comparing the weather between September and July reveals notable differences in temperature, precipitation, and humidity. In July, the minimum temperature averages around 19°C (67°F), with a higher average of 25°C (77°F) and a maximum reaching 31°C (88°F), making it the warmer month. In contrast, September experiences cooler temperatures, with a minimum of 13°C (56°F) and an average of 22°C (72°F), peaking at 29°C (85°F). Additionally, September sees significantly more precipitation, accumulating 96 mm (3.8 in) over 10 days, whereas July is much drier with just 16 mm (0.6 in) over 2 days. Humidity is also slightly higher in September at 65% compared to July's 57%. For more detailed information about July weather in the region, check out Pompei weather in July.
In comparing the weather between August and September, we see a notable shift in conditions. August typically experiences warmer temperatures, with a minimum of 19°C (66°F), an average of 26°C (79°F), and a maximum reaching 32°C (90°F). In contrast, September cools down significantly, featuring a minimum temperature of 13°C (56°F) and an average of 22°C (72°F), peaking at 29°C (85°F). Additionally, September sees a considerable increase in precipitation, with 96 mm (3.8 in) over 10 days, compared to just 21 mm (0.8 in) across 3 days in August. Humidity levels also rise in September to 65%, compared to the lower 53% in August. For more detailed information on August weather, you can visit Pompei weather in August.
September tends to be warmer than October, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 29°C (85°F), averaging around 22°C (72°F). In contrast, October sees slightly cooler weather, with minimum temperatures of 12°C (53°F) and maximums reaching 25°C (78°F), resulting in a lower average of 18°C (65°F). Both months experience about 10 days of precipitation, but October has a bit more rainfall at 104 mm (4.1 in) compared to September's 96 mm (3.8 in), and the humidity increases in October to 75% from September's 65%. For more detailed weather information, you can check out Pompei weather in October.
In September, the weather tends to be warm with average temperatures around 22°C (72°F) and maximums reaching up to 29°C (85°F). However, it also experiences about 96 mm (3.8 in) of precipitation over roughly 10 days, accompanied by a humidity level of 65%. In contrast, November presents a sharper decline in temperatures, with an average of 15°C (59°F) and maximums around 22°C (71°F), but minimum temperatures can drop to as low as 5°C (41°F). The rainfall significantly increases, totaling 258 mm (10.2 in) spread over approximately 17 days, and humidity rises to 81%. For more specific insights into this month, you can check Pompei weather in November.
September and December present quite distinct weather patterns. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 29°C (85°F), with an average of 22°C (72°F). The month experiences around 96 mm (3.8 in) of precipitation over approximately 10 days, coupled with a moderate humidity level of 65%. In contrast, December witnesses a significant drop in temperatures, with a minimum of 3°C (38°F) and a maximum of 17°C (64°F), averaging 11°C (53°F). This month is wetter, accumulating about 200 mm (7.9 in) of rainfall across 15 days, and the humidity rises to 84%. For more detailed information, you can check Pompei weather in December.
As summer transitions to autumn, September in Pompei offers a delightful change in weather that sets it apart from other months. Visitors can enjoy moderately warm temperatures, averaging around 22°C (72°F), making outdoor exploration pleasant and inviting. While occasional rainfall occurs, with about 10 days of precipitation, the humidity remains comfortable at 65%, ensuring a fresh atmosphere. This balance of warmth and cooler breezes allows for a unique experience that blends the last whispers of summer with the first hints of autumn. For a deeper understanding of what to expect throughout the year, explore the detailed Pompei Climate.