Laguna Beach weather in September
United States

September in Laguna Beach: warm, dry, with muggy air — one of the best months to visit.
#2 of 12 months in Laguna Beach · #134 of 1383 destinations to visit in September · comfort 92/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Laguna Beach in September
Notes from nearby Los Angeles (71 km away)
Laguna Beach doesn't have its own notes for September yet — these are about Los Angeles, close enough to share the season.
September is Los Angeles's hottest month, and the forum's advice is mostly about where you stand in it: near the ocean it stays mild, while the inland valleys run far hotter and a Santa Ana heat wave can push them past 40°C. Early September often pairs the heat with humidity; regulars say that usually eases later in the month, leaving late September and October sunny and pleasant. Their most practical tip is scheduling — don't do the uphill walk to Universal between 11 and 3.
Other months in Laguna Beach
Laguna Beach's forum calls August one of the best months for warm ocean swimming, with water temperatures peaking around this time of year along the Southern California coast. Regulars note the sea breeze does most of the work keeping the immediate coastline comfortable even on a hot inland day, with a light sweater worth having once the sun goes down.
Add your own note from Laguna Beach's card on the map.
Laguna Beach climate normals — September
| Daytime high | 24°C / 75°F | 🌤 warm |
|---|---|---|
| Nighttime low | 18°C / 65°F | |
| Feels like (high) | 26°C / 79°F | |
| Sea temperature | 21°C / 70°F | 🌊 fresh |
| Rainfall | 3 mm / 0.1 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 17°C / 62°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 12.4 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Laguna Beach in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsSummer season, Summer art festivals, Summer break in United States(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Laguna Beach's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherLaguna Beach's weather peaks July–September, best around August.
September includes Sawdust Art Festival.
Best weatherFair weatherToughest weather
What's on in Laguna Beach in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Summer season
23 May – 7 SepSchool holidaysCrowdedCoast Highway through the village backs up from Memorial Day, the beach lots fill before nine, and the free summer trolley is the only sane way in. Labor Day ends it as abruptly as it started.
- Festival
Sawdust Art Festival
24 Jun – 6 Sep · usuallyMajor festivalTwo hundred local artists selling out of their own booths in a eucalyptus grove, on ground actually covered in sawdust. It has run since 1966 as the artists' answer to the show over the road. Source ↗
- Festival
Summer art festivals
7 Jul – 3 SepMajor festivalCrowdedThree shows run at once in the canyon all summer: the Festival of Arts with the Pageant of the Masters staged nightly as living tableaux, Sawdust across the road, and Art-A-Fair beside it. Park at ACT V and take the shuttle. Source ↗
Nearby, and something's on
Within 300 km of Laguna Beach — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Laguna Beach?
Laguna Beach in September — FAQ
- Is September a good time to visit Laguna Beach?
- September in Laguna Beach: warm, dry, with muggy air — one of the best months to visit. It ranks #2 of 12 months for Laguna Beach on SeasonMap's comfort score (92/100).
- What is the weather like in Laguna Beach in September?
- In September, Laguna Beach averages a daily high of 23.7°C and a low of 18.4°C, with about 3 mm of rain over roughly 0.5 rainy days.
- What is the air quality in Laguna Beach in September?
- Laguna Beach has a mean US Air Quality Index of about 51 in September.
Other months in Laguna Beach
Compare Laguna Beach in September
Warmer or cooler than Laguna Beach in September
Similar destinations in North America — September
Within 300 km: Santa Barbara's Blue and humpback season around 15 May – 15 Sep, and Los Angeles' Sea at its warmest on 1 Aug – 30 Sep.