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The weather in Lahaina in September is very hot. The average temperatures are between 25°C and 27°C, drinking water regularly is advisable.
As it is almost never rain during September in Lahaina the weather is perfect for hanging out outside and exploring all that Lahaina has to offer.
Our weather forecast can give you a great sense of what weather to expect in Lahaina in September 2025.
If you’re planning to visit Lahaina in the near future, we highly recommend that you review the 14 day weather forecast for Lahaina before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 24° / 22° | 2 | 29 | 0 | 29 mm | Perfect | Lahaina in January |
| February | 24° / 22° | 2 | 26 | 0 | 30 mm | Perfect | Lahaina in February |
| March | 24° / 22° | 2 | 29 | 0 | 27 mm | Perfect | Lahaina in March |
| April | 24° / 22° | 1 | 29 | 0 | 25 mm | Perfect | Lahaina in April |
| May | 25° / 23° | 1 | 30 | 0 | 10 mm | Perfect | Lahaina in May |
| June | 26° / 24° | 0 | 30 | 0 | 5 mm | Perfect | Lahaina in June |
| July | 26° / 24° | 0 | 31 | 0 | 4 mm | Perfect | Lahaina in July |
| August | 26° / 25° | 1 | 30 | 0 | 8 mm | Perfect | Lahaina in August |
| September | 27° / 25° | 0 | 30 | 0 | 5 mm | Perfect | Lahaina in September |
| October | 26° / 25° | 1 | 30 | 0 | 13 mm | Perfect | Lahaina in October |
| November | 25° / 24° | 1 | 29 | 0 | 12 mm | Perfect | Lahaina in November |
| December | 24° / 23° | 2 | 29 | 0 | 52 mm | Perfect | Lahaina in December |