01Weather
Los Angeles weather in September
Afternoons in September average 26.0 °C (79 °F) and nights cool to 19.1 °C (66 °F). The month brings about 1 mm (0.0 in) of rain spread over roughly 0 days. Compared with August it is 0.3 °C cooler; October is 1.2 °C cooler again.
What the averages hide
| In a typical September | Value | What it means |
|---|---|---|
| Warm afternoons (90th percentile) | 31 °C / 88 °F | one day in ten is at least this warm |
| Cool afternoons (10th percentile) | 22 °C / 72 °F | one day in ten stays below this |
| Cold nights (10th percentile) | 17 °C / 62 °F | one night in ten is colder than this |
| Days above 30 °C (86 °F) | 4.5 | per month, average 2016–2025 |
| Nights at or below 0 °C (32 °F) | 0.0 | frost mornings per month |
| Chance of rain on any given day | 1 % | at least 1 mm |
| Hottest / coldest September day 2016–2025 | 40.6 °C / 14.4 °C | extremes in the ten-year record |
02Daylight
Sunrise, sunset and the length of the day
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 1 September | 06:26 | 19:19 | 12.9 h |
| 15 September | 06:36 | 19:00 | 12.4 h |
| 30 September | 06:46 | 18:39 | 11.9 h |
Daylight shrinks by about 60 minutes over the month. Times are local (America/Los_Angeles).
03Crowds
How busy Los Angeles is in September
busy The main sights are busy in September. What drives it:
- warmest ocean
- Labor Day
- Emmys
- heat waves
04Public holidays
Public holidays in September 2027
| Date | Holiday |
|---|---|
| 6 Sep 2027 | Labour Day |
On public holidays many shops close and museums run on Sunday hours; check opening times for the day before and after as well.
05Events
What's on in Los Angeles in September
Every year in September
| Event | When | Type |
|---|---|---|
| Emmy Awards | September | culture |
07Packing
What to pack for Los Angeles in September
- light, breathable clothing
- sun hat and sunscreen
- refillable water bottle
- something for heat: 4 days a month pass 30 °C on average
08Editor's notes
What the numbers don't tell you
September is often the hottest month, with heat waves pushing downtown above 38 °C and Santa Ana winds beginning, but the beaches are superb and the ocean warmest at 20 °C. After Labor Day crowds thin and rates drop. The Emmys fall mid-month. Fire risk is at its highest. Rain is rare, about one day. Coastal afternoons average 25 °C.
The LA County Fair in Pomona and the Abbot Kinney Festival in Venice fill the weekends. Universal's Halloween Horror Nights begins in early September. Daylight shrinks from thirteen hours to twelve. For the best beach weather of the year and Halloween in West Hollywood, see October.
09Compare
Los Angeles month by month
| Month | High | Low | Rain days | Sun h | Crowds | Verdict |
|---|---|---|---|---|---|---|
| January | 19 °C | 10 °C | 1 | – | moderate | Excellent |
| February | 19 °C | 10 °C | 1 | – | moderate | Excellent |
| March | 19 °C | 12 °C | 1 | – | busy | Excellent |
| April | 21 °C | 14 °C | 1 | – | busy | Excellent |
| May | 21 °C | 15 °C | 0 | – | moderate | Excellent |
| June | 23 °C | 17 °C | 0 | – | busy | Excellent |
| July | 25 °C | 19 °C | 0 | – | very busy | Good |
| August | 26 °C | 20 °C | 0 | – | very busy | Good |
| September | 26 °C | 19 °C | 0 | – | busy | Excellent |
| October | 25 °C | 16 °C | 0 | – | busy | Excellent |
| November | 22 °C | 13 °C | 1 | – | moderate | Excellent |
| December | 20 °C | 11 °C | 2 | – | busy | Excellent |
Not sure about September? See the best time to visit Los Angeles.
10Elsewhere
September in nearby cities
| City | High | Rain days |
|---|---|---|
| Las Vegas in September | 35 °C | 0 |
| San Francisco in September | 24 °C | 0 |
| Vancouver in September | 20 °C | 9 |
| Cancún in September | 32 °C | – |
| Toronto in September | 23 °C | 8 |
| Orlando in September | 32 °C | 9 |
11FAQ
Los Angeles in September: your questions
Is September a good time to visit Los Angeles?
September is one of the best months to visit Los Angeles. Daytime highs average 26 °C (79 °F), rain falls on about 0 days, and hotel arrivals run above the yearly average, so the main sights are busy.
What is the weather like in Los Angeles in September?
Expect warm days around 26 °C (79 °F) and nights near 19 °C (66 °F). One September in ten brings afternoons above 31 °C, and one in ten stays below 22 °C.
Does it rain a lot in Los Angeles in September?
September brings about 1 mm (0.0 in) of rain over roughly 0 days, which is dry by Los Angeles standards. On any given day the chance of at least 1 mm of rain is 1 percent.
What should I wear in Los Angeles in September?
Pack light, breathable clothing, sun hat and sunscreen, refillable water bottle.
Is Los Angeles crowded in September?
The main sights are busy in September. Main drivers: warmest ocean; Labor Day; Emmys.
What time does it get dark in Los Angeles in September?
Around the middle of September the sun sets at about 19:00 and rises at 06:36, giving 12.4 hours of daylight.