Los Angeles Weather in September 2026
“Reliably warm, dry, and generous with light.”
Roughly 1 rainy days across the month, on average.
September in Los Angeles delivers a paradox: the calendar says fall but the thermometer hits 31.1C (88F) daytime highs, cooling to 17.7C (64F) at night. Precipitation stays negligible at 11mm across 1.3 rainy days, and sunshine averages 11 hours daily. What changes is angle of light: the sun sits lower by mid-month, sunsets tilt orange over the Pacific by 6:45pm, and inland valleys routinely spike above 35C during late-month heat domes that push desert air toward the coast.
On the ground, this is post-Labor Day recalibration. Kids return to school, Santa Monica beaches thin dramatically after the first week, and the Sunday farmers market at Hollywood becomes navigable again. Downtown gallery openings resume in the Arts District, LA Fashion Week takes over Culver City venues, and the Hollywood Bowl closes its main season with the Playboy Jazz Festival encore weekends. Restaurant reservations that were impossible in August open up mid-week, especially on the westside where locals still dominate.
The ten-year record shows September warming faster than any other month in coastal LA, with roughly 1.2C added since 2016 and the arrival of Santa Ana wind events shifting earlier from October into late September. The 2026 outlook from NOAA suggests continued dry conditions and a heightened chance of an early Santa Ana episode, which historically brings fire-weather red flags to Malibu, Topanga, and the San Gabriel foothills.
For 2026 travelers, September is arguably the smartest month: warmer than June, drier than October, and emptier than August. Book at least ten days ahead for beachside Airbnbs, allow flexibility around any fire-warning day, and lock in Getty Villa tickets since Malibu access can shut on short notice during red-flag conditions in 2026.
Skip Hollywood Boulevard entirely. The real geography splits by canyon and freeway: Silver Lake pours into Echo Park via Sunset Junction thrift shops, Boyle Heights defends its mariachi plaza at First and Boyle, and Sawtelle Japantown packs more udon per block than Little Tokyo. Order at Langer's before 4pm because they close, and remember the 405 at 5pm is a lifestyle choice.
What to pack for Los Angeles in September
September packing spans a wide temperature band because inland heat waves can arrive without notice while coastal evenings cool sharply. Focus on:
- Breathable shorts and lightweight technical pants for hikes above 30C
- A packable windbreaker for canyon evenings and post-sunset beach walks
- Two swimsuits since ocean temps peak at their annual warmest this month
- Closed-toe trainers for potential ash-fall days if Santa Ana fires kick up
- Polarised sunglasses because low-angle September glare punishes drivers on I-10 westbound
What to pack for Los Angeles in September
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Where to stay in Los Angeles
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Compare hotels on Booking.com→Estimated September trip to Los Angeles
Shoulder-season pricing — a balance of price and conditions. Rule-based estimates from a couple based in London — actual prices vary.
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Things worth doing
Playboy Jazz Festival at the Hollywood Bowl, LA Fashion Week showcases in Culver City, Arts District gallery openings on Thursday nights, Getty Villa Roman theater performances, whale watching begins off Palos Verdes late month.
September vs. the rest of the year
How this month compares in Los Angeles. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Los Angeles
While September has its own character in Los Angeles, the data-backed best months to visit Los Angeles are March, April, May, June. These months combine the most favourable temperatures, rainfall, and sunshine across an 11-year climate record (2015–2025).
See the full best-time-to-visit guide for Los AngelesOther places with a similar climate right now
Los Angeles in September — FAQ
Q01Is September a good time to visit Los Angeles?
Is September a good time to visit Los Angeles?
It is a fair time to visit — expect variable conditions and plan flexibility. In September, Los Angeles averages a high of 31°C (88°F) and a low of 18°C (64°F), with 11mm of rainfall across roughly 1 rainy days. March-April brings jacaranda bloom purpling Highland Park streets and pre-June-gloom clarity before the marine layer smothers mornings until noon.
Q02What is the average temperature in Los Angeles in September?
What is the average temperature in Los Angeles in September?
The average high temperature in Los Angeles during September is 31°C (88°F), with an average low of 18°C (64°F). These figures are averaged from 11 complete years of daily records (2015–2025, Open-Meteo Archive).
Q03How many rainy days does Los Angeles have in September?
How many rainy days does Los Angeles have in September?
Los Angeles averages approximately 1 rainy days in September, with a total monthly rainfall of about 11mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Los Angeles in September?
What should I pack for Los Angeles in September?
For Los Angeles in September, pack light, breathable clothing (cotton or linen), sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on 11 complete years of weather averages for this specific month. A light merino layer for restaurant AC set to 65F and canyon evenings that drop 15 degrees after sunset.
Q05How crowded is Los Angeles in September?
How crowded is Los Angeles in September?
Tourist crowds in Los Angeles during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely. Skip Hollywood Boulevard entirely. The real geography splits by canyon and freeway: Silver Lake pours into Echo Park via Sunset Junction thrift shops, Boyle Heights defends its mariachi plaza at First and Boyle, and Sawtelle Japantown packs more udon per block than Little Tokyo. Order at Langer's before 4pm because they close, and remember the 405 at 5pm is a lifestyle choice.