Weather in Los Angeles in September
September in Los Angeles is mild with average temperatures around 23.8°C (74.8°F). Light rainfall with only 3mm expected.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
29.9°C
85.8°F
Low
17.7°C
63.9°F
Precipitation
3 mm
0.1 inches
~0 rainy days
Conditions
Humidity
50%
Comparison to Adjacent Months
September is 3.3°C warmer than October.