Click on a day for an hourly weather forecast
The weather in Cabo San Lucas in September is very hot. The average temperatures are between 26°C and 30°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Cabo San Lucas 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 Cabo San Lucas in September 2025.
If you’re planning to visit Cabo San Lucas in the near future, we highly recommend that you review the 14 day weather forecast for Cabo San Lucas before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 24° / 18° | 0 | 31 | 0 | 6 mm | Perfect | Cabo San Lucas in January |
| February | 24° / 18° | 0 | 28 | 0 | 6 mm | Perfect | Cabo San Lucas in February |
| March | 24° / 19° | 0 | 31 | 0 | 1 mm | Perfect | Cabo San Lucas in March |
| April | 25° / 20° | 0 | 30 | 0 | 0 mm | Perfect | Cabo San Lucas in April |
| May | 26° / 22° | 0 | 31 | 0 | 3 mm | Perfect | Cabo San Lucas in May |
| June | 27° / 24° | 1 | 29 | 0 | 21 mm | Perfect | Cabo San Lucas in June |
| July | 29° / 26° | 2 | 29 | 0 | 43 mm | Good | Cabo San Lucas in July |
| August | 30° / 26° | 5 | 26 | 0 | 147 mm | Good | Cabo San Lucas in August |
| September | 30° / 26° | 5 | 25 | 0 | 165 mm | Good | Cabo San Lucas in September |
| October | 29° / 24° | 1 | 30 | 0 | 40 mm | Good | Cabo San Lucas in October |
| November | 27° / 22° | 1 | 29 | 0 | 24 mm | Perfect | Cabo San Lucas in November |
| December | 25° / 19° | 1 | 30 | 0 | 9 mm | Perfect | Cabo San Lucas in December |