Last updated: March 24, 2025
Experience the charming climate of Santa Barbara, Italy, in September, where the days are warm and inviting. With a maximum temperature reaching 29°C (85°F) and an average of 21°C (69°F), visitors can enjoy pleasant outings amid beautiful surroundings. Although the month sees some rain, with a total precipitation of 96 mm (3.8 in) spread over 12 days, the average humidity level hovers at a comfortable 66%. This combination of warmth and occasional showers creates a refreshing atmosphere, making September a perfect time to explore the scenic landscapes and cultural offerings of this delightful Italian locale.
As September unfolds in Santa Barbara, Italy, the temperatures begin to reflect the transition into autumn, yet they still retain a hint of summer’s warmth. With minimums at 11°C (52°F) and maximums peaking at a comfortable 29°C (85°F), the month offers an average of 21°C (69°F), ideal for enjoying outdoor activities. Notably, this is a slight drop from the scorching heights of August, which saw maximum temperatures reach 34°C (93°F). Nevertheless, the pleasant weather provides a perfect backdrop for exploring the charming streets and picturesque landscapes. As the days grow shorter, visitors can relish the lingering warmth while witnessing the early blush of fall colors in this enchanting Italian locale.
September in Santa Barbara, Italy, marks a transitional phase as summer fades and autumn approaches, with precipitation reaching 96 mm (3.8 in) over 12 days. This amount is significantly higher than the preceding months of July and August, which experienced markedly lower rainfall, reflecting a return to more typical patterns following a drier summer. As the region welcomes more rain, it serves as a prelude to the notably wetter months that follow, such as November, with its remarkable 239 mm (9.4 in) average. The shift in September not only revitalizes the local flora but also sets the stage for the lush greenery that characterizes the landscape during the fall, highlighting the cyclical nature of Santa Barbara's climate.
As summer fades into autumn, September brings a slight uptick in humidity to Santa Barbara, Italy, with levels averaging around 66%. This marks an interesting transition from the dry and warm conditions of August, when humidity dropped to 56%. The gradual increase reflects the onset of fall, as the air begins to regain its moisture content. Notably, this month maintains relatively moderate humidity compared to the higher percentages seen in winter, particularly January's 82% and November's 80%. Thus, September serves as a pivotal point in the seasonal shift, striking a balance between summer's dryness and winter's dampness.
As September unfolds in Santa Barbara, Italy, residents and visitors experience a UV Index of 8, falling within the very high exposure category. This marks a slight decline from the peak summer months, yet caution remains essential, as the burn time is still a brisk 15 minutes. Notably, the summer months showcased an intense pattern, with UV Indexes soaring to 10 in both July and June, highlighting the region's strong sunshine. As autumn approaches, the UV levels begin to taper off, transitioning to a high index of 6 by October, suggesting a gradual easing in sun intensity. For those seeking safe sun exposure, understanding these trends is crucial. For more detailed insights on UV levels throughout the year, check out Santa Barbara UV Index.
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In Santa Barbara, Italy, September offers a delightful transition from the sun-soaked summer days into the gentler warmth of autumn. With 337 hours of sunshine, this month continues to bask in the lingering glow of summer, although it's a noticeable dip from the peak of July's 422 hours. The gradual decline begins in August and continues through October, indicating that while the summer heat starts to wane, September still holds onto enough sunshine to ensure pleasant days and clear skies. This blend of warmth and more temperate evenings makes September an ideal time for visitors to experience the stunning landscapes and charming local culture, as the sun slowly begins its descent into the cooler months.
In September, Santa Barbara enjoys a moderate likelihood of sunny weather, with a 58% chance of sunshine, making it a delightful time for outdoor activities. This month marks a subtle shift from the peak summer months of July and August, where the sun graces the town an impressive 81% of the time. As the warm days of summer fade, September still offers a considerable amount of sun, notably higher than the autumn months of October and November, which see chances drop to 39% and 27% respectively. Thus, visitors in September can still relish the pleasant warmth and beautiful weather characteristic of the region, while escaping the peak tourist crowds.
As summer gives way to autumn in Santa Barbara, Italy, September offers a delightful transition, with 12 hours of daylight illuminating the days. This month marks a gentle decline from the peak of 14 hours experienced in June through August, signaling shorter, crisper days ahead. While daylight diminishes as the months progress, the rich glow of earlier sunsets invites an enchanting ambiance perfect for evening strolls and outdoor gatherings. With each passing day, the promise of fall begins to weave its way into the vibrant tapestry of life in this picturesque town.
As summer gently yields to fall, September in Santa Barbara, Italy, is marked by a noticeable shift in wind patterns. The average wind speed dips to 1.6 m/s (4 mph), the lowest point of the year, creating a serene atmosphere perfect for leisurely strolls along the coast. This decrease follows a trend of gradually diminishing winds throughout the warmer months, with only slight breezes in July and August, while peaks in wind speed occur in the cooler months of November and December. As the days shorten and the air cools, the calming winds of September provide a tranquil backdrop, inviting both locals and visitors to embrace the relaxed vibe of early autumn by the sea.
The weather in Santa Barbara 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 Santa Barbara and find detailed weather information for every month.
In September, the weather is generally mild and pleasant, with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 29°C (85°F). The month experiences moderate humidity at 66% and sees approximately 96 mm (3.8 in) of precipitation over about 12 days. In contrast, January brings a distinctly colder climate, with average temperatures between -6°C (22°F) and 17°C (62°F). Precipitation increases to 122 mm (4.8 in), also spread across 12 days, and humidity rises to 82%, contributing to a damp winter atmosphere. For more detailed weather information, you can check out Santa Barbara weather in January.
In comparing the weather of September and February, we observe a notable contrast in temperatures and conditions. September enjoys a milder climate with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 29°C (85°F), while February experiences much cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 18°C (64°F). Precipitation is also more pronounced in February, totaling 128 mm (5.1 in) over approximately 11 days, compared to September's 96 mm (3.8 in) over 12 days. Additionally, February's humidity peaks at 74%, slightly higher than September's 66%. For more details on the February weather, you can visit Santa Barbara weather in February.
In comparing the weather between September and March, a stark contrast emerges. September typically enjoys milder temperatures, with minimums around 11°C (52°F) and averages of 21°C (69°F), reaching up to a warm 29°C (85°F). This month also sees moderate precipitation of 96 mm (3.8 in) over approximately 12 days, coupled with a humidity level of 66%. In contrast, March experiences much cooler temperatures, with lows plunging to -4°C (26°F) and an average of just 9°C (49°F), peaking at 19°C (67°F). This month is slightly wetter, with precipitation at 120 mm (4.7 in) across 13 days and a humidity level of 70%. For more detailed insights, you can check Santa Barbara weather in March.
In comparing the weather of September and April, there are notable differences in temperature and overall climate conditions. September typically enjoys milder days with average temperatures around 21°C (69°F) and a maximum of 29°C (85°F), while April is cooler, averaging only 13°C (55°F) and peaking at 26°C (78°F). Additionally, September experiences a higher level of precipitation with 96 mm (3.8 in) over 12 days, compared to April's 79 mm (3.1 in) across the same number of days. Humidity levels are slightly lower in September at 66% compared to April's 71%, contributing to a more comfortable feel during the early autumn months. For more detailed insights into the climate, you can check Santa Barbara weather in April.
When comparing the weather between September and May, September tends to be warmer with an average temperature of 21°C (69°F), compared to May's cooler average of 16°C (62°F). Both months experience similar maximum temperatures, reaching up to 29°C (84°F) in May and slightly higher at 29°C (85°F) in September. However, September sees more precipitation, with 96 mm (3.8 in) over 12 days, while May has 79 mm (3.1 in) across 11 days. Humidity levels are also slightly lower in September at 66%, compared to 71% in May. For more detailed insights on May weather, you can check Santa Barbara weather in May.
When comparing the weather in September and June, both months exhibit similar minimum temperatures, hovering around 11°C (52°F), creating a comfortable starting point for the day. However, June tends to be warmer overall, with maximum temperatures reaching up to 32°C (90°F), compared to September's high of 29°C (85°F). Precipitation also varies significantly, as September receives more rainfall at 96 mm (3.8 in) over 12 days, while June experiences a drier spell with just 32 mm (1.3 in) across 7 days. Humidity levels are fairly consistent, with September at 66% and June slightly lower at 65%. For those interested in a more detailed overview of June's weather, you can check Santa Barbara weather in June.
When comparing the weather in September to that of July, we can observe notable differences in temperature and precipitation patterns. July boasts warmer temperatures, with an average of 24°C (75°F) and a maximum of 33°C (91°F), while September offers a cooler average of 21°C (69°F), peaking at 29°C (85°F). In terms of rainfall, September experiences significantly more precipitation, totaling 96 mm (3.8 in) over 12 days, compared to just 23 mm (0.9 in) across only 3 days in July. Additionally, September has a slightly higher humidity level at 66%, while July remains lower at 61%. For more specific insights, you can check Santa Barbara weather in July.
September weather in Santa Barbara is generally cooler than August, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 29°C (85°F), compared to August’s milder temperatures of 16°C (60°F) to 34°C (93°F). Humidity also rises in September, reaching an average of 66%, while August enjoys a lower humidity level of 56%. Additionally, September sees more precipitation, with 96 mm (3.8 in) over 12 days, significantly higher than August’s 35 mm (1.4 in) over just 7 days. For a closer look at the conditions during August, check out Santa Barbara weather in August.
In comparing the weather of September and October, September tends to be warmer with average temperatures peaking at 21°C (69°F) and reaching a maximum of 29°C (85°F). The month experiences a total precipitation of 96 mm (3.8 in) over about 12 days. In contrast, October sees a noticeable drop in temperature, with an average of 16°C (62°F) and a maximum of 26°C (80°F). Despite having the same total precipitation of 96 mm (3.8 in), it falls over fewer days—only 10 days—while humidity increases to 74%. For more detailed insights, you can check Santa Barbara weather in October.
In comparing the weather between September and November, a notable shift occurs. September boasts warmer temperatures, with an average of 21°C (69°F) and highs reaching up to 29°C (85°F), while November sees a significant drop, with average temperatures around 13°C (55°F) and a maximum of 22°C (73°F). Additionally, November experiences increased precipitation, totaling 239 mm (9.4 in) over 16 days, compared to September’s 96 mm (3.8 in) over 12 days, contributing to higher humidity levels at 80%. For a detailed look at the weather in November, you can check out Santa Barbara weather in November.
In September, the weather is typically warmer, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 29°C (85°F), and an average temperature of 21°C (69°F). This month experiences moderate precipitation, averaging 96 mm (3.8 in) over approximately 12 days, while humidity levels are around 66%. In contrast, December brings cooler temperatures, with a minimum of 0°C (32°F), an average of 9°C (48°F), and a maximum of 17°C (63°F). The month is significantly wetter, with 222 mm (8.8 in) of precipitation spread over about 15 days and higher humidity at 82%. For more detailed information on the weather during December, you can visit Santa Barbara weather in December.
As summer transitions into fall, September in Santa Barbara showcases a delightful blend of warm temperatures and refreshing breezes, making it an ideal time to visit. With a comfortable average of 21°C, the days may reach a maximum of 29°C, while evenings cool down to a pleasant 11°C. Unlike the drier peak of summer, September sees an increase in precipitation, averaging 96 mm over about 12 days, resulting in a lush environment. The humidity also rises slightly to 66%, adding to the unique coastal atmosphere. For those curious about the changes in weather throughout the year, explore more at Santa Barbara Climate.