Last updated: February 24, 2025
September in Laguna Beach, United States offers a warm coastal retreat, with maximum temperatures reaching 32°C (91°F) and a comfortable average of 27°C (80°F). As the summer wanes, this month showcases a minimum temperature of 18°C (65°F), inviting cooler evenings. However, locals and visitors should prepare for 195 mm (7.7 in) of precipitation over approximately 13 days, bringing a refreshing change and maintaining the vibrant coastal landscape. The humidity levels hover around 79%, enhancing the tropical feel of this beautiful seaside location, making September a unique blend of warmth and occasional rainfall.
In September, Laguna Beach enjoys a delightful transition into early autumn, marked by mild evenings and warm days. With minimum temperatures around 18°C (65°F) and soaring daytime highs peaking at 32°C (91°F), the average temperature settles comfortably at 27°C (80°F). This month stands out as a continuation of summer's warmth while offering a slight respite from the peak heat of August, making it a perfect time for outdoor activities and beach visits. As the month progresses, the temperature begins to dip, signaling the approach of fall, but for now, September's inviting warmth and sunny allure continue to charm both locals and visitors alike.
September brings a significant shift in Laguna Beach's precipitation patterns, with the month recording 195 mm (7.7 inches) of rain over 13 days. This uptick follows an already wet August, which saw a record 202 mm (8.0 inches) across 22 days. It's clear that the late summer months contribute substantially to the annual rainfall totals, as September stands out as one of the wetter months, showcasing a transition towards fall. Notably, after July and August's heavier deluges, September's rainfall indicates a slight decrease in frequency, suggesting a possible reprieve before the wetter fall months ahead, where rainfall typically tapers off into the drier winter season. This trend highlights a distinct seasonal rhythm in Laguna Beach's climate, where the end of summer is both lush and dynamic.
In September, Laguna Beach experiences a slight uptick in humidity at 79%, transitioning from the drier months of summer. This change is part of a broader trend, where humidity levels gradually decrease from the highs of winter (averaging 83% in January and November) to the summer lows reaching their nadir in June at 70%. As the summer draws to a close, September marks a return to the more comfortable humidity typically seen in March and April. This seasonal fluctuation not only highlights the coastal climate's variability but also underscores the area's pleasant weather pattern that keeps visitors drawn to its beaches year-round.
In September, Laguna Beach experiences a UV Index of 10, categorizing it as very high and indicating a burn time of just 15 minutes for unprotected skin. This slight dip from the peak of 12 in July still emphasizes the need for sun protection, as visitors enjoy the last warm days of summer. With a consistent trend of elevated UV levels from April through September, the importance of safeguarding against harmful UV rays remains crucial. As the month transitions into October, the UV Index lowers to 8, but vigilance is still essential for healthy skin. Explore more about the UV levels throughout the year in Laguna Beach here.
UV Risk Categories
As summer gently shifts to autumn, September in Laguna Beach remains a sun-soaked delight, boasting 291 hours of glorious sunshine. This month showcases a subtle decline from the vibrant summer months, where July and August enjoyed an impressive 328 and 313 hours respectively. Despite the slight decrease, September still outshines the earlier months of the year, notably January with its mere 190 hours. The consistency of sun-drenched days continues into October, which offers similarly bright skies. As the days grow shorter, the warmth of summer lingers just a little longer in this coastal paradise, inviting beach lovers to soak in the last rays of summer.
In Laguna Beach, September marks a transitional month where the sun begins to shine a bit brighter after the cooler summer days. With a 40% chance of sunny weather, it reflects a modest increase compared to the summer months, which often dip as low as 24% in July. As the region ushers in fall, residents and visitors alike can expect pleasant days, providing a perfect backdrop for outdoor activities and beach outings. Interestingly, the likelihood of sunshine begins to climb again in October, reaching 49%, suggesting that September serves as a bridge to the sunnier days ahead. As the year progresses, the chances of sunlight further boost in November, highlighting the dynamic weather patterns that define this beautiful coastal locale.
In September, daylight in Laguna Beach begins to gently decline from the summer peak, offering approximately 12 hours of sunlight. This month marks a transition as the lengthy, sun-soaked days of June (with 14 hours of daylight) and July start to wane, shifting towards the shorter days of fall. While still ample for beach outings and sunset strolls, the daylight hours reflect the gradual approach of autumn, harmonizing perfectly with the vibrant colors of the changing season. As daylight continues its descent into October and beyond, the shift evokes a sense of change, reminding locals and visitors alike to savor the remaining golden hours of the year.
As summer fades, September winds in Laguna Beach gently whisper at an average speed of 3.6 m/s (8 mph), making it one of the calmer months of the year. This marks a notable dip from the breezier summer months, where July's winds slowed to 3.5 m/s (8 mph) and August saw a slight increase to 4.1 m/s (9 mph). Compared to earlier months, the wind remains more subdued, reflecting a shift towards the tranquility of fall. Notably, September's winds signal a transition, as they pave the way for a gradual increase in speed through October, returning to 4.6 m/s (10 mph). This pattern underscores a seasonal rhythm, where the gentle breezes of September invite locals and visitors alike to savor the serene coastal vibe before the winds pick up once again.
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.
September and January present stark contrasts in weather. September boasts warmer temperatures with a minimum of 18°C (65°F) and an average high of 32°C (91°F), while January’s temperatures drop significantly, with a minimum of -1°C (30°F) and a maximum of 23°C (73°F). In terms of precipitation, September is much wetter, receiving 195 mm (7.7 in) over 13 days compared to January’s 97 mm (3.8 in) across just 8 days. The humidity remains relatively high in both months, with September at 79% and January slightly higher at 83%. For those looking to understand winter conditions further, you can explore Laguna Beach weather in January.
September and February present striking contrasts in weather patterns. In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 32°C (91°F), with an average of 27°C (80°F). The month is also characterized by relatively high humidity at 79% and significant rainfall, accumulating 195 mm (7.7 in) over 13 days. In contrast, February experiences cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 22°C (72°F), averaging 16°C (61°F). While February is less rainy, receiving 130 mm (5.1 in) across 10 days, it maintains a slightly higher humidity level of 82%. These differences highlight how September brings warmth and moisture, while February ushers in a milder, cooler climate. For those interested in specifics, check out Laguna Beach weather in February.
In September, the weather is significantly warmer, with average temperatures reaching around 27°C (80°F) and maximums hitting 32°C (91°F), while March sees much cooler temperatures with averages of 18°C (64°F) and highs of 25°C (78°F). Precipitation is more common in September, with around 195 mm (7.7 in) over 13 days, compared to just 61 mm (2.4 in) over 7 days in March. Both months share a similar humidity level of 79%, but the overall experience of September feels much more humid and saturated due to the higher rainfall. For more specific insights into March weather, check out Laguna Beach weather in March.
In comparing the weather of September and April, it’s clear that September is significantly warmer and wetter. September boasts average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 32°C (91°F), while April experiences cooler temperatures, averaging between 8°C (48°F) and 25°C (77°F). Additionally, September sees a higher volume of precipitation at 195 mm (7.7 in) over 13 days, compared to April's 126 mm (5.0 in) over just 9 days. Humidity levels are relatively similar, with September at 79% and April at 77%. For a closer look at April’s climate, check out this link: Laguna Beach weather in April.
September typically experiences warmer temperatures than May, with average highs reaching up to 32°C (91°F) compared to May's average maximum of 29°C (85°F). The minimum temperature in September is also higher, starting at 18°C (65°F), while May begins at a cooler 14°C (58°F). Additionally, September sees more precipitation, averaging 195 mm (7.7 in) over 13 days, in contrast to May's 90 mm (3.5 in) over just 8 days. Humidity levels are slightly higher in September at 79%, compared to 74% in May. For more detailed insights, check out Laguna Beach weather in May.
In comparing the weather of September and June, we see some notable differences despite similar average temperatures. September experiences a minimum temperature of 18°C (65°F), which is slightly lower than June's minimum of 21°C (71°F), while both months share an average temperature of 27°C (80°F). However, September tends to be wetter, with 195 mm (7.7 in) of precipitation over 13 days, compared to June's 171 mm (6.7 in) over 16 days. Additionally, humidity levels are higher in September at 79%, compared to 70% in June. For more details on weather conditions during this period, you can check Laguna Beach weather in June.
When comparing the weather in September and July, September tends to be slightly cooler, with average temperatures reaching 27°C (80°F) compared to July's 28°C (82°F). The minimum temperature in September is 18°C (65°F), significantly lower than July's milder minimum of 24°C (76°F). September also sees more precipitation, with 195 mm (7.7 in) across 13 days, while July experiences 137 mm (5.4 in) over 20 days. Humidity levels remain relatively comparable, with September at 79% and July at 78%. For more details, you can check out Laguna Beach weather in July.
September weather in Laguna Beach features slightly cooler temperatures compared to August, with average lows of 18°C (65°F) compared to August's minimum of 24°C (76°F). The average temperature in September remains similar at 27°C (80°F), while both months peak at a maximum of 32°C (90°F/91°F). Precipitation levels decrease slightly in September, with 195 mm (7.7 in) over 13 rain days, compared to August's 202 mm (8.0 in) over 22 days. Humidity remains relatively constant, with September at 79% and August at 78%. For more detailed insights, check out Laguna Beach weather in August.
September and October exhibit notable differences in weather patterns. September tends to be warmer, with average temperatures around 27°C (80°F) and a maximum of 32°C (91°F), while in October, the average drops to 24°C (75°F), with a minimum of 10°C (50°F). Additionally, September experiences significantly more rainfall, totaling 195 mm (7.7 in) over 13 days, compared to October's 119 mm (4.7 in) over just 9 days. This results in slightly lower humidity in October at 74%, compared to September's 79%. For more detailed information about the weather during this latter month, you can visit Laguna Beach weather in October.
In September, the weather is warm and humid, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 32°C (91°F) and an average of 27°C (80°F). This month also sees considerable precipitation, with 195 mm (7.7 in) falling over 13 days, making it one of the wetter months of the year at a humidity level of 79%. In contrast, November ushers in a cooler climate, where temperatures drop to a minimum of 4°C (40°F) and a maximum of 27°C (80°F), while the average temperature sits at 18°C (65°F). Rainfall decreases significantly to 46 mm (1.8 in) over just 6 days, coupled with slightly higher humidity at 83%. For those seeking to understand the specific weather conditions this month, visit Laguna Beach weather in November.
In comparing the weather of September and December, September showcases warmer temperatures with a minimum of 18°C (65°F) and an average high of 32°C (91°F), while December feels much cooler, with temperatures dropping to a minimum of 4°C (39°F) and an average maximum of 23°C (73°F). Rainfall patterns also differ; September experiences higher precipitation levels at 195 mm (7.7 in) over 13 days, compared to December’s 160 mm (6.3 in) across 11 days. Humidity is slightly higher in December at 86%, while September holds steady at 79%. For more insights into the climate of this region, take a look at Laguna Beach weather in December.
As summer begins to fade, September in Laguna Beach brings a noticeable shift in weather compared to the preceding months. The average temperature remains inviting at 27°C (80°F), but with a maximum reaching up to 32°C (91°F), beachgoers can still enjoy warm days under the sun. However, this month is marked by a noticeable increase in precipitation, with 195 mm (7.7 in) falling over approximately 13 days, making it one of the wetter periods of the year. With humidity levels hovering around 79%, the air feels a bit more muggy, contrasting significantly with the drier summer months. This blend of warmth and moisture sets the stage for vibrant landscapes, but visitors should be prepared for the occasional shower. For a deeper dive into weather patterns, check out Laguna Beach Climate.