Last updated: February 24, 2025
September in Laguna Beach, United States, showcases a delightful blend of warm temperatures and low precipitation, making it an ideal month for outdoor activities. With maximum temperatures reaching a delightful 33°C (91°F) and an average of 21°C (70°F), visitors can enjoy plenty of sunshine and warmth. The nights cool down to a comfortable 15°C (59°F), providing a pleasant respite. Notably, rainfall is scarce with only 3 mm (0.1 in) recorded across the month, ensuring clear skies for beachgoers and adventurers alike. The humidity sits at a moderate 68%, enhancing the coastal charm without overshadowing the sunny ambiance. Overall, September in Laguna Beach presents a perfect escape for sun-seekers and nature lovers.
In September, Laguna Beach experiences a delightful transition as summer begins to wane, showcasing an enticing blend of warm days and cool nights. With minimum temperatures hovering around 15°C (59°F) and peak highs reaching up to 33°C (91°F), this month offers some of the year's warmest days, making it a great time for beach activities. The average temperature of 21°C (70°F) provides a comfortable backdrop for outdoor adventures, allowing locals and visitors alike to bask in the ocean's inviting embrace. As September unfolds, the warmth gradually dissipates, hinting at the approaching autumn, yet the lingering summer vibes remain irresistible, perfect for catching those final rays of sunshine before the cooler months set in.
September in Laguna Beach typically sees minimal precipitation, with an average of just 3 mm (0.1 in) and zero recorded rainy days. This dry spell continues the trend established during the summer months, where rainfall is nearly nonexistent from June through August. As the warm season wanes, Laguna Beach transitions into October, which brings a slight uptick in rain, yet still remains relatively dry overall. This pattern underscores the region's characteristic Mediterranean climate, where summers are marked by sunshine and dryness, while the wetter months come later in the year.
As summer winds down in Laguna Beach, September ushers in a shift in the coastal climate, marked by a slight decrease in humidity to 68%. This trend follows the subtly declining pattern of the months prior, where humidity reached its peak in February at 79% and has gradually tapered off since. Throughout the late summer, August recorded a comfortable 69%, indicating a trend towards drier conditions as the region transitions into fall. This decline in humidity not only enhances the inviting atmosphere for visitors but also highlights the region’s beautiful coastal charm, making September an excellent time for outdoor activities amidst lingering warmth.
As summer transitions into fall in Laguna Beach, the UV Index in September remains at a high level of 10, categorizing it as very high exposure, with a burn time of just 15 minutes. This trend mirrors the previous month, August, demonstrating that while daylight may be fading, the intensity of UV radiation continues to pose a significant risk. Throughout the year, there has been a clear progression from moderate levels in winter months to extreme exposure during the peak of summer. As the seasons shift, the UV Index gradually decreases, but September still requires vigilance to protect your skin. For more detailed information on UV levels throughout the year, check out the Laguna Beach UV Index.
UV Risk Categories
As September unfolds in Laguna Beach, the sun graces the skies with 317 hours of dazzling light, marking a gentle transition from the peak summer brilliance of July and August. This month, while still basking in considerable sunshine, sees a delightful decrease from the summer high of 379 hours in July and 361 in August, signaling the slow approach of fall. Interestingly, as we transition from the sunniest months into autumn, the overall trend shows a gradual decline in sun exposure, with October also featuring 294 hours. Yet, September uniquely captures a lingering summer vibe, offering residents and visitors alike the perfect opportunity to savor the warm days before the cooler months set in, all while the golden beaches remain inviting under the softening rays of the sun.
September in Laguna Beach shines with a remarkable 73% chance of sunny weather, making it one of the sunniest months of the year. This period marks a continuation of the summer warmth, peaking in August at 72%, and maintaining a positive trend as the days begin to shorten. The likelihood of sunshine starts to drop in October, but September stands out as an ideal time for beach lovers, with consistently high chances of clear skies. As we transition from the vibrant summer months to the softer fall, the sunny disposition of September invites both locals and visitors to soak up the sun before the cooler temperatures arrive.
As September arrives in Laguna Beach, daylight begins to wane, offering around 12 hours of sunlight each day. This marks a gentle transition from the long summer days in June and July, which bask in 14 hours of light, down to the shorter, cozy days of fall. The gradual decline from August’s 13 hours signals the approach of autumn, as daylight slips into a more moderate rhythm. With the days becoming a bit shorter and the evenings drawing in, September captures the essence of changing seasons, inviting moments of reflection under the softening sun.
As the summer winds down in Laguna Beach, September experiences a gentle breeze with an average wind speed of 2.1 m/s (5 mph), mirroring the light currents of August and slightly diminishing from the peak summer months. This calm reflects a broader trend seen throughout the year, where wind speeds tend to fluctuate, often higher in the cooler months like January and December, reaching 2.5 m/s (6 mph) and 2.8 m/s (6 mph) respectively. In contrast, the soft whispers of the September winds signal the transition towards autumn, inviting a serene atmosphere perfect for enjoying the picturesque coastal views. As the year progresses, these gentle winds seem to cradle the vibrant landscape, making Laguna Beach a delightful destination for those seeking tranquility and natural beauty.
The weather in Laguna Beach 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 Laguna Beach and find detailed weather information for every month.
In September, the weather is generally warmer with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 33°C (91°F) and an average of 21°C (70°F). With only 3 mm (0.1 in) of precipitation and no rainy days, September offers a dry and relatively humid atmosphere at 68%. In contrast, January experiences cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 27°C (81°F), averaging 14°C (58°F). The month sees significantly more precipitation, totaling 60 mm (2.3 in) over five rainy days, and slightly higher humidity at 74%. For a detailed look at January weather, check out Laguna Beach weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures range from a comfortable minimum of 15°C (59°F) to a warm maximum of 33°C (91°F), with an average temperature of 21°C (70°F). The month is characterized by low precipitation, recording just 3 mm (0.1 in) over a dry month, and moderate humidity at 68%. In contrast, February sees a noticeable drop in temperatures, with minimums around 7°C (45°F) and maximums reaching 27°C (80°F), averaging a cooler 14°C (57°F). This month experiences significantly higher precipitation, totaling 55 mm (2.2 in) over 5 days, and a higher humidity level at 79%. For more insights, check out Laguna Beach weather in February.
When comparing the weather in September and March, it’s evident that the two months present quite different climates. September typically boasts warmer temperatures, with averages around 21°C (70°F) and highs reaching up to 33°C (91°F), while March sees much cooler temperatures, averaging only 14°C (58°F) and peaking at 24°C (76°F). In terms of precipitation, September is quite dry with only 3 mm (0.1 in) over the course of no rainy days, whereas March experiences significantly more rainfall, totaling 54 mm (2.1 in) across about 10 days. Additionally, humidity levels are slightly higher in March at 75% compared to September's 68%. For a more detailed overview of weather specifics, you can check Laguna Beach weather in March.
Comparing the weather in September and April reveals some distinct differences. September tends to be warmer, with average temperatures around 21°C (70°F) and maximums peaking at 33°C (91°F), while April has a cooler average of 16°C (61°F) and max temperatures reaching 31°C (88°F). Precipitation is notably lower in September, recorded at just 3 mm (0.1 in) and typically no rainy days, compared to April's 25 mm (1.0 in) over two days. Humidity levels are fairly similar, with September at 68% and April at 70%. For more detailed insights on what to expect, check out Laguna Beach weather in April.
September and May exhibit notable differences in weather conditions. In September, the temperatures are typically warmer, with a minimum of 15°C (59°F) and a maximum reaching 33°C (91°F), averaging around 21°C (70°F). This month also sees very little rainfall, with only 3 mm recorded and no rainy days, while humidity is at 68%. In contrast, May features cooler temperatures, starting at a minimum of 11°C (52°F) and peaking at 25°C (78°F), with an average of 16°C (62°F). This month experiences more precipitation, totaling 14 mm over four rainy days, and the humidity remains slightly higher at 70%. For more specific insights, check out the complete details on Laguna Beach weather in May.
In September, the weather tends to be warmer than in June, with average temperatures reaching 21°C (70°F) compared to June's average of 18°C (65°F). September also sees higher maximum temperatures, soaring up to 33°C (91°F), while June peaks at 29°C (85°F). Both months experience minimal precipitation, with only 3 mm (0.1 in) and no rainy days, but September has a slightly lower humidity at 68% compared to June's 72%. For more details, you can check Laguna Beach weather in June.
In comparing the weather of September and July, we can observe that both months share similar average temperatures, with September experiencing a minimum of 15°C (59°F) and a maximum of 33°C (91°F), while July has a slightly warmer minimum of 17°C (62°F). Interestingly, both months also report the same average temperature of 21°C (70°F) and minimal precipitation of 3 mm (0.1 in) over 0 days. However, September's humidity is slightly lower at 68%, compared to July's 73%, resulting in a less humid experience during this transition into fall. For a more detailed look at July weather, check out this link: Laguna Beach weather in July.
In comparing the weather of September to that of August, September tends to be slightly warmer, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 33°C (91°F), compared to August’s range of 16°C (62°F) to 30°C (86°F). Both months experience minimal precipitation, receiving only 3 mm (0.1 in) without any rainy days. Humidity levels remain quite similar, with September at 68% and August at 69%. For more detailed insights into August's weather, you can refer to Laguna Beach weather in August.
September and October exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 33°C (91°F), with an average of 21°C (70°F). This month experiences minimal precipitation, recorded at just 3 mm (0.1 in) over 0 days, with humidity at 68%. In contrast, October sees a slight decrease in the minimum temperature to 12°C (53°F) and a lower average of 20°C (68°F). Interestingly, the maximum temperature rises to 36°C (97°F), indicating some warmer days. October also brings a bit more moisture, with 9 mm (0.4 in) of precipitation over 2 days and a humidity level slightly lower at 67%. For more detailed insights, check out the Laguna Beach weather in October.
September is characterized by warmer temperatures, with minimums around 15°C (59°F) and an average of 21°C (70°F), peaking at a maximum of 33°C (91°F). The month experiences very little precipitation, recording only 3 mm over zero days, while humidity remains consistent at 68%. In contrast, November sees cooler temperatures, with a minimum of 9°C (48°F) and an average of 17°C (63°F), though maximums can still reach 30°C (85°F). This month also brings increased rainfall, totaling 22 mm over two days, while humidity stays steady at 68%. For more details, check out Laguna Beach weather in November.
September and December display a stark contrast in weather conditions. In September, temperatures typically range from a minimum of 15°C (59°F) to a maximum of 33°C (91°F), with an average of 21°C (70°F) and virtually no precipitation, resulting in a dry and warm climate. In contrast, December brings cooler temperatures, with a minimum of 7°C (46°F) and a maximum of 26°C (78°F), averaging at 14°C (58°F). Notably, December experiences significant rainfall, totaling 69 mm (2.7 in) over five days, alongside a slightly higher humidity level of 71%. For more detailed information about the weather in December, you can check Laguna Beach weather in December.
As September rolls into Laguna Beach, the weather showcases a delightful transition that stands apart from the bustling summer months. With sublime average temperatures hovering around a pleasant 21°C (70°F), visitors can enjoy warm days without the sweltering heat of peak summer, where maximums often soar higher. Unlike the earlier months, the crisp ocean breeze and mild temperatures create an inviting atmosphere for beachgoers and outdoor enthusiasts alike. Notably, September presents a remarkable dry spell with no recorded precipitation, perfectly complementing the 68% humidity that maintains a comfortable level of warmth. This idyllic climate sets the stage for enjoying breathtaking sunsets along the coast, making it a pristine time to experience everything Laguna Beach has to offer. For more insights into the nuances of the region's climate, check out Laguna Beach Climate.