Early autumn · Weather & things to do
Los Angeles in September
Little changes in Los Angeles from August: highs stay near 88°F (31°C), lows near 66°F (19°C), and about 0.1 in (3 mm) of rain falls.
Its comfort score of 83/100 is still Good, though it ranks 10th of 12 here.
- Avg high
- 88°F (31°C)
- Avg low
- 66°F (19°C)
- Rain
- 0.1 in (3 mm)
- Humidity
- 50%
- Cloud cover
- 17%
- Daylight
- ~12 h 12 min
- Comfort score
- 83/100 · Great
What September feels like
Expect proper heat: afternoons average 88°F (31°C), so plan walking and hiking for the morning and save midday for shade, lunch or a swim.
Mornings start much cooler: lows average 66°F (19°C), about 12°C (22°F) below the afternoon high.
It's one of the drier stretches, with only about 0.1 in (3 mm) of rain.
Clear skies are common, with cloud cover averaging only 17%.
Plan around September
September is one of the lower-scoring months here; the best are March – June and October & November.
- Comfort improves from 80/100 in August to 83/100.
- September sits inside the Apr – Oct window our Pacific Coast Highway route recommends.
What to pack for September
- Light, breathable clothes88°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningsnights drop to 66°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Los Angeles in September
Afternoons run hot (88°F), so these picks mix early-start outdoor spots with cool indoor breaks.
The Broad
Free contemporary art museum with Kusama's Infinity Mirror Room.
Why now A break from 88°F afternoons.
Los Angeles County Museum of Art
Largest art museum in the West, home to the Urban Light lamppost installation.
Why now Somewhere to sit out the hottest hours.
Langer's Delicatessen
Classic deli famed for the #19 hot pastrami sandwich.
Musso & Frank Grill
Hollywood's oldest restaurant (1919), known for its martinis.
Venice Beach Boardwalk
Beach promenade with street performers, the skate park and Muscle Beach.
Why now September scores 83/100 for comfort, good conditions for being outside.
Nearby in September
- Hollywood in September~6 mi · highs 88°F, 0.1 in rain · similar daytime temperatures, about as wet
- Pasadena in September~9 mi · highs 86°F, 0.1 in rain · 1°C (2°F) cooler by day, about as wet
- Santa Barbara in September~87 mi · highs 81°F, 0.1 in rain · 4°C (7°F) cooler by day, about as wet
- Palm Springs in September~99 mi · highs 101°F, 0.2 in rain · 7°C (13°F) warmer by day, about as wet
These averages also cover Downtown LA and Downtown Los Angeles.
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~395 m to Los Angeles's ~88 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Los Angeles in September: quick answers
Is September a good time to visit Los Angeles?
It's one of the tougher months here, scoring 83/100, held back mainly by heat. The best months are March – June and October & November. Expect highs of 88°F (31°C) and 0.1 in (3 mm) of rain. September is inside the Apr – Oct window our Pacific Coast Highway route recommends.
How hot is Los Angeles in September?
Average highs are 88°F (31°C) and average lows 66°F (19°C), making it the 3rd-warmest month by daytime highs.
Does it rain a lot in Los Angeles in September?
Not much: about 0.1 in (3 mm) of rain falls across September on average, the 4th-driest month of the year. The annual total is about 13.1 in (332 mm).
What should I pack for Los Angeles in September?
Bring light, breathable clothes (88°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (nights drop to 66°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Los Angeles
Routes in season in September
- Pacific Coast Highway Apr – Oct
Planning Los Angeles in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.