Last updated: February 24, 2025
September in Montecito, United States, brings a delightful blend of warmth and mildness, with maximum temperatures soaring to 36°C (97°F) while averaging a pleasant 21°C (70°F). The nights cool off, dipping to a minimum of 9°C (48°F). Remarkably, the month boasts zero precipitation days, resulting in a mere 2 mm (0.1 in) of rainfall, and a comfortable humidity level of 48%. This combination of sunny days and crisp evenings makes September an inviting time to experience the charming allure of Montecito's coastal landscape.
In Montecito, September showcases a delightful transition into early autumn, where temperatures exhibit a perfect balance of warmth and coolness. The month begins with a pleasant minimum of 9°C (48°F), rising to an invigorating average of 21°C (70°F), and peaking at an impressive 36°C (97°F), mirroring the summer's lingering heat. This marks a subtle adjustment from the soaring summer highs of July and August, which reflect maximums of around 36°C (97°F) and 33°C (92°F), respectively. As September unfolds, the evenings become more refreshing, inviting locals and visitors alike to savor the mild weather. Overall, this month stands out as a beautiful blend of summer’s last hurrah and autumn’s gentle embrace, making it a delightful time to experience Montecito’s charm.
In September, Montecito experiences a notable shift towards dryness, with precipitation dropping to a mere 2 mm (0.1 in). This marks the conclusion of the typical summer dry spell, as no rainfall occurs during the month—mirroring the preceding months of July and August, which also recorded no precipitation. The trend of minimal rainfall continues, creating a stark contrast to the rainier months earlier in the year, such as January and March, when the region averages between 81 mm and 93 mm. With these dry conditions extending into the fall, September encapsulates the transitional phase of Montecito's climate, as it gears up for the wetter months ahead.
In Montecito, United States, September marks a notable shift in humidity, with levels rising to 48% after reaching a low of 39% in August. This slight increase is part of a broader trend observed throughout the year, where humidity generally tends to rise as the summer months give way to fall. The year starts off with a high humidity of 78% in January, gradually decreasing to its lowest in July at 46%. Following this low point, September’s humidity signals the onset of the wetter months ahead, setting the stage for the autumnal months of October and November, where levels climb again to 59% and 72%, respectively. This cyclical pattern of high and low ensures that Montecito experiences a diverse climate, with September serving as a gentle reminder of the transition ahead.
In Montecito, September marks a notable transition as the UV Index settles at 10, categorized as very high. This dip from the peak values seen in the summer months reflects a gradual decrease in extreme sun intensity, yet still demands caution. With a burn time of just 15 minutes, it's essential to protect your skin during outdoor activities. The trend in UV exposure throughout the year reveals a sharp rise in intensity from January's moderate levels to the extreme peaks of summer, before tapering off slightly in the fall. As you bask in the stunning September sun, staying informed and prepared is key. Discover more about the UV Index in Montecito here.
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In Montecito, September shines brightly with an impressive 317 hours of sunshine, comfortably nestled between the peak summer months and the golden hues of autumn. As the year unfolds, it's clear that the sunny days are abundant, with monthly totals increasing from 186 hours in January to a summer peak in July at 383 hours. While September sees a slight dip from the vibrant summer, it remains a delightful month, only outshined by the exuberance of June and July. This gradual waning of daylight heralds the arrival of fall, yet the warmth of the late summer sun still invites adventure and relaxation in this picturesque coastal town.
In Montecito, United States, September boasts a remarkable 86% chance of sunny weather, making it one of the sunniest months of the year. This trend of increasing sunshine begins in the spring, where the chances climb steadily from 75% in April to 85% in May. As summer rolls in, the sunny days remain plentiful; however, September stands out with the highest likelihood of clear skies. This month not only captures the tail end of summer's warmth but also marks the onset of the delightful fall season, combining a vibrant atmosphere with nearly guaranteed sunshine. Whether you're planning a beach day or a stroll through scenic trails, September in Montecito is the quintessential time to soak up the sun.
As the summer sun begins to wane, September in Montecito offers a delightful balance of daylight, with approximately 12 hours illuminating the day. This month marks a gentle transition from the peak summer brightness of 14 hours in June and July, gradually easing into the shorter daylight hours of fall. The consistent climb from 10 hours in January to the summer's zenith reflects the region's warm, inviting climate, while September’s slight reduction signals the approach of autumn and cooler days ahead. Embracing the golden light of this month, residents and visitors alike can savor the lingering warmth before the days grow shorter, making it a perfect time to enjoy outdoor activities against a stunning coastal backdrop.
In Montecito, the month of September ushers in a gentle breeze, with average wind speeds dropping to 2.2 m/s (5 mph), the lowest of the year. This slight decline reflects a broader trend observed through the summer months, where June and July recorded the highest speeds earlier in the year at 2.7 m/s and 2.3 m/s respectively. As summer gives way to autumn, the calm winds create a serene atmosphere, making September a tranquil time to enjoy the picturesque surroundings. This seasonal shift highlights a gradual lull in wind activity, inviting residents and visitors alike to relish the peaceful charm of this coastal paradise.
The weather in Montecito 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 Montecito and find detailed weather information for every month.
September offers a warm and dry climate, with temperatures ranging from a mild 9°C (48°F) to a scorching 36°C (97°F) and little to no precipitation. This month boasts an average temperature of 21°C (70°F) and a comfortable humidity level of 48%. In contrast, January presents a cooler and wetter atmosphere, with temperatures fluctuating between 3°C (37°F) and 27°C (81°F). This month sees an average temperature of 12°C (54°F) and significant rainfall totaling 93 mm (3.7 in) over approximately six rainy days, accompanied by higher humidity levels of 78%. For a deeper look into the climate of Montecito during this time, you can visit Montecito weather in January.
September weather is typically warm and dry, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 36°C (97°F) and an average of 21°C (70°F). In stark contrast, February experiences cooler temperatures, averaging 12°C (53°F), with a minimum of 2°C (36°F) and a maximum of 25°C (78°F). February also sees significantly higher precipitation, with around 81 mm (3.2 in) falling over six days, compared to the dry September, which records just 2 mm (0.1 in) with no days of rain. Additionally, February's humidity level rises to 82%, in contrast to September's more comfortable 48%. For more information on the typical weather conditions in February, you can visit Montecito weather in February.
September and March present contrasting weather patterns. In September, temperatures typically range from a mild minimum of 9°C (48°F) to a hot maximum of 36°C (97°F), with an average temperature of 21°C (70°F). The month is notably dry, with only 2 mm (0.1 in) of precipitation and no rainy days, resulting in a humidity level of 48%. In contrast, March sees much cooler temperatures, with minimums around 3°C (37°F) and a maximum of 25°C (77°F), averaging just 12°C (55°F). This month experiences significantly higher precipitation, totaling 88 mm (3.5 in) over 9 rainy days, leading to increased humidity at 75%. For a more detailed look at March weather, visit Montecito weather in March.
In September, the weather is generally warmer, with temperatures ranging from a low of 9°C (48°F) to a high of 36°C (97°F) and an average of 21°C (70°F). The month is characterized by dry conditions, with minimal precipitation—only 2 mm (0.1 in) and no rainy days, paired with a moderate humidity of 48%. In contrast, April features cooler temperatures, with a minimum of 6°C (42°F), an average of 15°C (60°F), and a maximum of 30°C (86°F). This month sees more precipitation, totaling 21 mm (0.8 in) over two rainy days, along with higher humidity levels at 68%. For more detailed information about April weather, you can check Montecito weather in April.
September typically offers warmer weather compared to May, with average temperatures reaching 21°C (70°F) and maximums soaring up to 36°C (97°F). In contrast, May experiences cooler conditions, averaging only 16°C (62°F) and peaking at 29°C (85°F). While September boasts nearly no rainfall, with only 2 mm of precipitation over 0 days, May sees slightly more moisture, recording 12 mm across 2 days. Additionally, humidity is higher in May at 57%, compared to September's 48%. For more details on May weather specifically, check out Montecito weather in May.
In September, the weather features a wider temperature range with minimums around 9°C (48°F) and maximums reaching up to 36°C (97°F), making it generally warmer than June. The average temperature in September is 21°C (70°F), compared to June's average of 19°C (67°F), indicating a trend towards warmer days as summer transitions into fall. Additionally, September boasts minimal precipitation with 2 mm (0.1 in) and zero rainy days, while June has slightly more rainfall at 4 mm (0.1 in) over just one day. Humidity levels are also comparable, with September at 48% and June slightly higher at 52%. For a closer look at June's weather specifics, you can explore Montecito weather in June.
In comparing the weather of September and July, both months feature similar maximum temperatures, peaking at 36°C (97°F). However, September presents a wider range of temperatures, with a minimum of 9°C (48°F) compared to July's warmer minimum of 14°C (57°F). The average temperature in September is slightly lower at 21°C (70°F), while July averages a comfortable 22°C (72°F). Additionally, both months experience negligible precipitation, with only 2 mm recorded and no rainy days. Humidity levels are comparable, with September at 48% and July slightly lower at 46%. For a closer look at July weather, you can check out Montecito weather in July.
Comparing the weather between September and August reveals notable differences in temperature and humidity. September boasts a wider temperature range with minimums dipping to 9°C (48°F) and maximums reaching up to 36°C (97°F), while August experiences milder conditions, with minimum temperatures of 14°C (58°F) and a maximum of 33°C (92°F). Despite both months recording minimal precipitation of just 2 mm (0.1 in) with zero rainy days, September has a slightly higher average humidity at 48%, compared to August's 39%. For more detailed insights on August weather, you can refer to Montecito weather in August.
In September, the weather is characterized by warmer temperatures, with averages around 21°C (70°F) and maximums reaching up to 36°C (97°F). The month experiences minimal precipitation, with only 2 mm recorded and no rainy days, resulting in a relatively dry and comfortable atmosphere with 48% humidity.
In contrast, October sees a slight decrease in temperature, with an average of 18°C (65°F) and maximums around 33°C (92°F). The humidity rises to 59%, and while there is more moisture in the air, precipitation still remains low at 10 mm over the month with no significant rain days. For more details about October weather, check out Montecito weather in October.
September and November present a stark contrast in weather patterns. In September, temperatures range from a minimum of 9°C (48°F) to a scorching maximum of 36°C (97°F), with an average of 21°C (70°F) and virtually no precipitation, contributing to the month’s relatively low humidity of 48%. In contrast, November sees cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 28°C (83°F), resulting in an average of 15°C (60°F). This month also experiences increased precipitation of 23 mm (0.9 in) over just a single day, leading to a higher humidity level of 72%. For more details on the specific conditions and trends, you can visit Montecito weather in November.
September typically boasts warmer weather, with temperatures ranging from a mild 9°C (48°F) to a maximum of 36°C (97°F), making it comfortable for outdoor activities. The precipitation is minimal, with only 2 mm (0.1 in) and no rainy days, accompanied by a relatively low humidity of 48%. In contrast, December experiences much cooler temperatures, averaging around 12°C (54°F) with a range from 3°C (38°F) to 24°C (75°F). This month sees significantly more rain, totaling 62 mm (2.5 in) over six days, and higher humidity levels at 76%. For more details about December weather in Montecito, you can check out Montecito weather in December.
September in Montecito offers a delightful transition into fall, marked by mild temperatures that rarely dip too low and seldom reach the scorching highs of summer. With an average warmth that invites outdoor activities, the delightful and dry conditions create a stark contrast to the cooler, wetter months that follow. With virtually no precipitation and a comfortable humidity level, September stands out as a time of enjoyable consistency in weather, making it an ideal month for both visitors and locals. To learn more about broad weather patterns, check out Montecito Climate.