Click on a day for an hourly weather forecast
The temperatures in Baja California during September are extremely high, between 27°C and hot as 39°C, drinking water regularly is advisable.
You can expect a few rainy days in Baja California during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Baja California in September 2026.
If you’re planning to visit Baja California in the near future, we highly recommend that you review the 14 day weather forecast for Baja California before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 21° / 10° | 1 | 30 | 0 | 14 mm | Good | Baja California in January |
| February | 23° / 12° | 0 | 28 | 0 | 7 mm | Perfect | Baja California in February |
| March | 27° / 14° | 0 | 31 | 0 | 8 mm | Perfect | Baja California in March |
| April | 31° / 17° | 0 | 30 | 0 | 6 mm | Good | Baja California in April |
| May | 35° / 20° | 0 | 31 | 0 | 3 mm | Ok | Baja California in May |
| June | 41° / 25° | 0 | 30 | 0 | 4 mm | Awful | Baja California in June |
| July | 42° / 30° | 1 | 30 | 0 | 34 mm | Awful | Baja California in July |
| August | 42° / 31° | 1 | 30 | 0 | 26 mm | Awful | Baja California in August |
| September | 39° / 27° | 1 | 29 | 0 | 20 mm | Bad | Baja California in September |
| October | 32° / 21° | 1 | 30 | 0 | 9 mm | Good | Baja California in October |
| November | 26° / 15° | 0 | 30 | 0 | 4 mm | Perfect | Baja California in November |
| December | 20° / 10° | 1 | 30 | 0 | 10 mm | Good | Baja California in December |