Click on a day for an hourly weather forecast
The temperatures in Los Angeles in September are quite cold with temperatures between 5°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Los Angeles during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Los Angeles in September 2026.
If you’re planning to visit Los Angeles in the near future, we highly recommend that you review the 14 day weather forecast for Los Angeles before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 28° / 13° | 2 | 29 | 0 | 25 mm | Perfect | Los Angeles in January |
| February | 28° / 13° | 2 | 26 | 0 | 26 mm | Perfect | Los Angeles in February |
| March | 26° / 12° | 2 | 29 | 0 | 30 mm | Perfect | Los Angeles in March |
| April | 21° / 9° | 4 | 26 | 0 | 68 mm | Good | Los Angeles in April |
| May | 16° / 7° | 7 | 24 | 0 | 174 mm | Ok | Los Angeles in May |
| June | 12° / 5° | 11 | 19 | 0 | 296 mm | Bad | Los Angeles in June |
| July | 11° / 4° | 10 | 21 | 0 | 223 mm | Bad | Los Angeles in July |
| August | 13° / 5° | 11 | 20 | 0 | 213 mm | Bad | Los Angeles in August |
| September | 16° / 5° | 6 | 24 | 0 | 91 mm | Good | Los Angeles in September |
| October | 19° / 7° | 6 | 25 | 0 | 76 mm | Good | Los Angeles in October |
| November | 23° / 9° | 3 | 27 | 0 | 42 mm | Perfect | Los Angeles in November |
| December | 26° / 11° | 3 | 29 | 0 | 29 mm | Perfect | Los Angeles in December |