Is Los Angeles hot in September?
Days are typically warm at 28.8°C, while nights average 18.1°C.
United States · 1991–2020 normal
Los Angeles in
September.
Typical September weather in Los Angeles: 28.8°C by day, 18.1°C at night, 3 mm of rain over 0.3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high28.8°C
Typical low18.1°C
Rain3 mm
Wet days0.3
In the year-round weather comparison, September scores 79 out of 100 (May leads the year at 98). Daylight is calculated as 12 h 21 from latitude 34.05°. Open-water sea temperature is 20.0°C (23 km from the place centre).
September at a glance
What is Los Angeles like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 3 mm across about 0 wet days.
How much daylight is there?
There are about 12 h 21 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 8 of 12 in our weather comparison; May ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5368361
- NOAA station
- USW00093134 · LOS ANGELES DOWNTOWN/USC
- Station distance
- 5.4 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Los Angeles is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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