What to pack for Los Angeles in September
- light, breathable clothing
- sun protection (hat, SPF 50)
Humidity averages 65%; max daily wind around 18 km/h.
How September compares
Best months in Los Angeles: October–June. See the full best time to visit Los Angeles guide.
Los Angeles in September: the details
In September, Los Angeles sees average daytime highs of 31°C (88°F) and overnight lows of 18°C (64°F). Rainfall totals roughly 15 mm across 1.7 rainy days, and the sun shines about 10.8 hours per day with 12.2 hours of daylight mid-month. Relative humidity averages 65%.
In context: September is the third-warmest month and the 7th-wettest in Los Angeles. The sunniest month is July (12.9 h/day).
| Metric | September average |
|---|---|
| Daytime high | 31°C / 88°F |
| Overnight low | 18°C / 64°F |
| Rainfall | 15 mm over 1.7 rainy days |
| Sunshine | 10.8 h/day (12.2 h daylight) |
| Humidity | 65% |
| Travel score | 8.0 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Los Angeles, United States (34.05, -118.24) — see our methodology. Actual conditions vary year to year.
Not set on Los Angeles? Browse the best places to visit in September ranked by travel score.
Frequently asked questions
How hot is Los Angeles in September?
Daytime highs in Los Angeles in September average 31°C (88°F); nights drop to about 18°C.
Does it rain in Los Angeles in September?
Expect around 1.7 rainy days and 15 mm of rainfall in September.
Is September a good time to visit Los Angeles?
September is a good month to visit Los Angeles. Overall travel score: 8.0/10. The best months are October–June.
Also good in September, near Los Angeles
Where should you go next month?
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