Last updated: March 24, 2025
In September, Salerno, Italy, experiences a delightful transition into autumn, with maximum temperatures reaching up to 29°C (85°F) and an average of 21°C (71°F), creating ideal conditions for outdoor exploration. The climate remains relatively mild, with a minimum temperature of 12°C (54°F) ensuring comfortable evenings. However, this month also sees a total precipitation of 106 mm (4.2 in) spread across 11 days, hinting at the occasional showers typical of the season. With a humidity level of 65%, visitors can expect a refreshing yet slightly humid atmosphere, perfect for enjoying the scenic coastlines and rich cultural heritage of this charming Italian town.
In September, Salerno, Italy bids farewell to summer with a delightful blend of warmth and cool breezes. Temperatures begin to drop slightly from the scorching highs of August, yet still offer a pleasant climate for outdoor exploration. With minimums around 12°C (54°F), averages hitting 21°C (71°F), and maximums peaking at 29°C (85°F), this month strikes a perfect balance. Visitors can revel in sunny days and cooler evenings, ideal for savoring the region's breathtaking coastal views and vibrant culinary scene. As the month progresses, the gradual shift in temperatures hints at the approaching autumn, making it a fantastic time to experience the last whispers of summer in this enchanting Italian seaside town.
In September, Salerno experiences a notable shift in precipitation dynamics, receiving 106 mm (4.2 in) of rainfall over approximately 11 days. This marks a significant increase from the drier summer months, where July and August saw only 21 mm (0.8 in) and 28 mm (1.1 in), respectively. As the region transitions from the heat of summer to the cooler autumn months, the precipitation levels signal a return to wetter conditions, setting the stage for the more substantial rains that follow in October and November. Overall, September’s rainfall is a reminder of nature’s rhythm, as it prepares the landscape for the upcoming lushness of fall.
In September, Salerno experiences a noticeable uptick in humidity, averaging around 65%. This marks a shift from the drier summer months of July and August, which see humidity levels drop to a comfortable 57% and 53%, respectively. As summer gives way to autumn, the air retains more moisture, bridging the gap toward the more humid fall months. The trend is clear: while summer provides a reprieve from humidity, September signals the return of the wetter conditions that will persist through the autumn and into winter, where levels can rise to 81% or even 84% by the year’s end. Thus, visitors to Salerno in September can expect a slightly humid yet still pleasant atmosphere as the city transitions into the enchanting autumn season.
In September, Salerno experiences a decline in UV intensity compared to the peak summer months, but it remains in the very high exposure category with a UV Index of 8 and a burn time of just 15 minutes. This marks a slight decrease from the blistering highs of July and August, where the UV Index hit 10. As autumn approaches, the risk of overexposure is still significant, emphasizing the importance of sun protection even as temperatures begin to cool. For those venturing outdoors, it's crucial to be mindful of the sun's potent rays. For more detailed information, check out Salerno UV Index.
UV Risk Categories
As September unfolds in Salerno, Italy, the sun continues to shine brightly, offering a delightful 333 hours of sunlight. This captivating month maintains a strong position within the warm spectrum of the year, following the peak of July with its impressive 422 hours. Although sunlight hours begin to taper off as autumn approaches, September still basks in considerably bright days, showcasing a vibrant transition from the summer glow. The decrease from August’s 395 hours is gentle, reflecting a stunning seasonal shift while still inviting sunshine-lovers to indulge in outdoor adventures. As the warm days of summer gracefully give way to the crisp air of autumn, September remains a charming time for visitors and locals alike to soak up the last rays of summer.
In September, Salerno enjoys a 55% chance of sunny weather, making it a delightful month for visitors hoping to soak up the late summer sun. This figure positions September in the middle of the spectrum, indicating a transition from the hot, sun-drenched days of July and August, which boast impressive 78% probabilities of sunshine. As summer gives way to autumn, the likelihood of sunny days begins to taper off, with October dropping to 41%. However, September still offers a pleasant balance, allowing travelers to relish warm temperatures and favorable weather before the chillier months set in.
As September arrives in Salerno, the daylight duration begins to subtly shift, offering about 12 hours of sunlight each day. This marks a gentle decline from the peak of 15 hours experienced in June, as the days gradually shorten with the approach of autumn. Following the vibrant and long days of summer, September serves as a transitional month, still basking in plenty of light but hinting at the cooler, darker days ahead. The sunlight lingers longer than in October and November, creating a perfect backdrop for enjoying the last warm days before winter sets in. With each passing month, Salerno naturally ebbs from the brilliance of summer towards the cozy embraces of fall.
As summer gracefully transitions into autumn, September in Salerno brings a gentle breeze, with an average wind speed of 2.2 m/s (5 mph). While this is slightly calmer than the previous months, it reflects a consistent seasonal pattern where wind speeds gradually decline throughout the summer, peaking at 4.2 m/s (9 mph) in January and fluctuating to reach an early autumn lull. Following September, the winds begin to pick up again in October, hinting at the coming chill of winter. This serene September atmosphere, characterized by soft winds and warm temperatures, offers a perfect backdrop for leisurely strolls along the scenic coastline, allowing visitors to fully embrace the transition into fall.
The weather in Salerno 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 Salerno and find detailed weather information for every month.
September and January showcase strikingly different weather patterns. In September, temperatures range from a mild 12°C (54°F) at night to a warm 29°C (85°F) during the day, with an average of 21°C (71°F). The month also experiences moderate rainfall, accumulating 106 mm (4.2 in) over about 11 days, accompanied by a comfortable humidity level of 65%. In contrast, January brings much cooler conditions, with temperatures dipping to a minimum of -4°C (25°F) and peaking at 18°C (65°F), averaging around 8°C (47°F). Precipitation is slightly higher at 136 mm (5.3 in) spread over 12 days, and the humidity rises to 84%, creating a noticeably damp atmosphere. For more details on January weather, check out Salerno weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a mild 12°C (54°F) at night to a warm 29°C (85°F) during the day, with an average of 21°C (71°F). The month experiences around 106 mm (4.2 in) of precipitation across 11 days and a humidity level of 65%. In stark contrast, February sees much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 17°C (63°F), averaging just 9°C (49°F). This winter month also features higher rainfall, averaging 153 mm (6.0 in) over 11 days, and increased humidity at 76%. For those interested in more specifics about February weather, you can visit this link: Salerno weather in February.
When comparing the weather conditions of September and March, notable differences emerge. September typically enjoys warmer temperatures, with a minimum of 12°C (54°F) and an average of 21°C (71°F), compared to March’s lower range of -4°C (26°F) to an average of 10°C (50°F). However, March experiences slightly more precipitation, averaging 127 mm (5.0 in) over 12 days, whereas September sees 106 mm (4.2 in) across 11 days. Humidity levels are also a bit higher in March at 69%, compared to 65% in September. For more detailed insights on March weather, check out Salerno weather in March.
In comparing the weather of September and April, September tends to be significantly warmer with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (85°F). In contrast, April experiences cooler conditions, with temperatures varying from a low of 3°C (38°F) to a high of 26°C (79°F). While September has more precipitation, totaling 106 mm (4.2 in) over 11 days, April sees less at 68 mm (2.7 in) with the same number of rainy days. Additionally, humidity levels are slightly higher in April at 70%, compared to 65% in September. This makes April feel a bit more damp despite being cooler overall. For a detailed look at what to expect, visit Salerno weather in April.
When comparing the weather in September and May, September generally offers warmer temperatures with an average of 21°C (71°F) and daily highs reaching up to 29°C (85°F), contrasted with May's cooler average of 17°C (62°F) and maximum temperatures around 28°C (82°F). While both months experience precipitation on about 11 days, September sees a higher total rainfall of 106 mm (4.2 in) compared to May's 85 mm (3.3 in). Additionally, September tends to be less humid, with an average humidity of 65%, compared to May's slightly higher humidity at 70%. For more detailed information, you can check Salerno weather in May.
In comparing September and June weather, both months feature an average temperature of 21°C (71°F), but September tends to have slightly higher maximum temperatures, reaching up to 29°C (85°F), compared to June’s 30°C (87°F). September is characterized by increased rainfall, with 106 mm (4.2 in) over 11 days, while June is much drier, receiving only 30 mm (1.2 in) across 5 days. Humidity levels are relatively close, at 65% in September and 61% in June, contributing to a pleasant but slightly more humid experience as summer transitions into autumn. For detailed insights on the climate in June, check out Salerno weather in June.
September's weather is generally milder than July's, featuring a minimum temperature of 12°C (54°F) compared to July's warmer 18°C (64°F). The average temperature in September is 21°C (71°F), while July has a higher average of 24°C (76°F). July also boasts maximum temperatures that peak at 31°C (89°F), whereas September reaches a maximum of 29°C (85°F). Additionally, September experiences significantly more precipitation, with 106 mm (4.2 in) falling over 11 days, in contrast to July's lighter 21 mm (0.8 in) over just 3 days. Humidity levels in September are higher at 65%, compared to 57% in July, contributing to a different overall feel for each month. For more detailed insights, visit Salerno weather in July.
In September, temperatures start to cool down, with a minimum of 12°C (54°F) and an average of 21°C (71°F), compared to August's warmer minimum of 18°C (64°F) and an average of 25°C (77°F). The maximum temperatures also decline, reaching 29°C (85°F) in September, whereas August sees peaks of 33°C (91°F). Additionally, September experiences significantly higher precipitation, with 106 mm (4.2 in) over 11 days, compared to just 28 mm (1.1 in) over 5 days in August. This increase in rainfall contributes to a higher humidity level of 65% in September, compared to 53% in August. For a more detailed look at August weather, you can check Salerno weather in August.
In comparing the weather between September and October, we see a notable shift in temperatures and precipitation patterns. September features warmer days with average temperatures around 21°C (71°F) and a maximum of 29°C (85°F), while October cools down to an average of 17°C (63°F) with a high of 25°C (78°F). Although both months see a similar number of rainy days—11 in September and 10 in October—October experiences slightly higher precipitation at 116 mm (4.6 in) compared to September's 106 mm (4.2 in). Additionally, humidity rises from 65% in September to 75% in October, making the air feel a bit more damp as autumn progresses. For more specific details, you can check out Salerno weather in October.
September presents a warmer climate with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 29°C (85°F), making it a pleasant month for outdoor activities. However, it does experience a fair amount of precipitation, accumulating around 106 mm (4.2 in) over approximately 11 days, paired with a moderate humidity level of 65%.
In contrast, November brings a significant drop in temperatures, with averages between 3°C (38°F) and 21°C (71°F). This month is notably wetter, with precipitation levels reaching 278 mm (10.9 in) over 16 days and an increase in humidity to 81%. The shift in both temperature and weather patterns indicates a transition into the cooler, rainier season. For more detailed information on this month, check out Salerno weather in November.
September and December present quite distinct weather patterns, reflecting the transition from late summer to winter. In September, temperatures range from a mild 12°C (54°F) to a warm 29°C (85°F), with an average of 21°C (71°F). The month experiences moderate rainfall, totaling 106 mm (4.2 inches) over about 11 days, and the humidity sits at a comfortable 65%. In contrast, December brings much cooler temperatures, with lows dropping to 2°C (36°F) and highs only reaching 17°C (62°F), averaging 10°C (50°F). The month is wetter, receiving 245 mm (9.6 inches) of rain across 16 days, and the humidity increases significantly to 84%. For a more detailed look at December's weather, you can check Salerno weather in December.
As summer fades into fall, September in Salerno brings a delightful transition in weather. With average temperatures around a comfortable 21°C (71°F), the heat of the peak summer months begins to wane, offering a refreshing escape for visitors. However, the occasional rain, recorded over 11 days, adds to the charm of this month, nourishing the lush landscapes surrounding the city. While the humidity remains at a moderate 65%, making the days feel pleasant, it’s the stunning blend of warmth and refreshing breezes that truly sets September apart from the sweltering summer heat. For a deeper dive into how Salerno’s climate shapes its enchanting atmosphere year-round, visit Salerno Climate.