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The weather in Los Angeles in September is hot. The average temperatures are between 21°C and 31°C.
There shouldn't be any rainy days in in Los Angeles during September. Having said that, the days are very hot in September so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Los Angeles in September 2025.
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 | 21° / 11° | 3 | 28 | 0 | 58 mm | Good | Los Angeles in January |
| February | 20° / 11° | 2 | 27 | 0 | 56 mm | Good | Los Angeles in February |
| March | 22° / 12° | 2 | 29 | 0 | 34 mm | Good | Los Angeles in March |
| April | 24° / 13° | 1 | 29 | 0 | 18 mm | Perfect | Los Angeles in April |
| May | 25° / 15° | 0 | 31 | 0 | 4 mm | Perfect | Los Angeles in May |
| June | 27° / 17° | 0 | 30 | 0 | 1 mm | Perfect | Los Angeles in June |
| July | 30° / 20° | 0 | 31 | 0 | 5 mm | Good | Los Angeles in July |
| August | 31° / 21° | 0 | 31 | 0 | 3 mm | Good | Los Angeles in August |
| September | 31° / 21° | 0 | 30 | 0 | 4 mm | Good | Los Angeles in September |
| October | 27° / 18° | 1 | 30 | 0 | 10 mm | Perfect | Los Angeles in October |
| November | 24° / 14° | 1 | 29 | 0 | 22 mm | Perfect | Los Angeles in November |
| December | 19° / 11° | 3 | 28 | 0 | 66 mm | Good | Los Angeles in December |