Los Angeles Weather in September: Climate, Temperature & Travel Tips
Avg 23.4°C · 12mm rain — September is autumn in Los Angeles.
- Avg high
- 31.1 °C
- Avg low
- 17.8 °C
- Avg
- 23.4 °C
- Precipitation
- 12 mm
Source: Open-Meteo Archive 2014–2023 · 10-year climate normals
Climate Overview
September in Los Angeles, United States brings autumn conditions: average temperature 23.4°C, average high 31.1°C, average low 17.8°C. Monthly rainfall averages 12mm, making it a very dry time of year.
Conditions are pleasant for most travel activities.
What to Pack
- Short sleeves and light pants; sunglasses
- Light shoes or sandals
Best Things to Do
- Walking tours and city exploration
- Parks and outdoor cafes
- Seasonal food and night markets (where applicable)
Pros and Cons of Visiting in September
Pros:
- Pleasant temperatures for walking and outdoor sightseeing
- Low rainfall — minimal disruption to outdoor plans
- Shoulder season often means smaller crowds and lower prices
Cons:
- No major weather drawbacks for typical activities
Climate source: Open-Meteo Archive (2014–2023).
Colour = avg temperature · blue = cool · orange = warm
- 1 August 24.1°C
- 2 July 23.6°C
- 3 September 23.4°C
- 1 December 13.0°C
- 2 January 13.0°C
- 3 February 13.9°C
FAQ
01 What is the average temperature in Los Angeles in September? +
The average is 23.4°C, with a high of 31°C and a low of 18°C.
02 What is Los Angeles like to visit in September? +
It is autumn in Los Angeles, which is ideal for outdoor exploration.
03 Does it rain often in Los Angeles during September? +
Average rainfall is 12mm, which is very dry.
04 What should I pack for Los Angeles in September? +
Short sleeves and light pants; sunglasses; Light shoes or sandals.
05 Is September a peak travel season for Los Angeles? +
It is closer to off-season, with more reasonable prices and fewer crowds.
06 Where does this climate data come from? +
Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.
- Sources
- Open-Meteo Archive 2014-2023
- Updated
- 2026-04-17