Click on a day for an hourly weather forecast
The weather in Malibu in September is hot. The average temperatures are between 20°C and 27°C.
As it is almost never rain during September in Malibu the weather is perfect for hanging out outside and exploring all that Malibu has to offer.
Our weather forecast can give you a great sense of what weather to expect in Malibu in September 2025.
If you’re planning to visit Malibu in the near future, we highly recommend that you review the 14 day weather forecast for Malibu before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 20° / 11° | 3 | 28 | 0 | 72 mm | Good | Malibu in January |
| February | 19° / 11° | 2 | 26 | 0 | 57 mm | Good | Malibu in February |
| March | 20° / 11° | 2 | 29 | 0 | 41 mm | Good | Malibu in March |
| April | 21° / 13° | 1 | 29 | 0 | 15 mm | Good | Malibu in April |
| May | 22° / 14° | 1 | 30 | 0 | 11 mm | Good | Malibu in May |
| June | 24° / 16° | 0 | 30 | 0 | 5 mm | Perfect | Malibu in June |
| July | 26° / 18° | 1 | 30 | 0 | 14 mm | Perfect | Malibu in July |
| August | 27° / 19° | 0 | 31 | 0 | 8 mm | Perfect | Malibu in August |
| September | 27° / 20° | 0 | 30 | 0 | 11 mm | Perfect | Malibu in September |
| October | 25° / 17° | 1 | 30 | 0 | 14 mm | Perfect | Malibu in October |
| November | 23° / 14° | 1 | 29 | 0 | 22 mm | Perfect | Malibu in November |
| December | 19° / 11° | 3 | 28 | 0 | 49 mm | Good | Malibu in December |