Click on a day for an hourly weather forecast
The weather in Tijuana in September is hot. The average temperatures are between 20°C and 27°C.
You can expect a few rainy days in Tijuana 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 Tijuana in September 2025.
If you’re planning to visit Tijuana in the near future, we highly recommend that you review the 14 day weather forecast for Tijuana before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 19° / 11° | 2 | 29 | 0 | 56 mm | Good | Tijuana in January |
| February | 19° / 11° | 2 | 26 | 0 | 66 mm | Good | Tijuana in February |
| March | 19° / 12° | 2 | 29 | 0 | 44 mm | Good | Tijuana in March |
| April | 20° / 13° | 1 | 29 | 0 | 16 mm | Good | Tijuana in April |
| May | 21° / 14° | 1 | 30 | 0 | 19 mm | Good | Tijuana in May |
| June | 23° / 17° | 0 | 30 | 0 | 5 mm | Perfect | Tijuana in June |
| July | 26° / 20° | 1 | 30 | 0 | 25 mm | Perfect | Tijuana in July |
| August | 27° / 21° | 1 | 30 | 0 | 21 mm | Perfect | Tijuana in August |
| September | 27° / 20° | 1 | 29 | 0 | 15 mm | Perfect | Tijuana in September |
| October | 25° / 18° | 1 | 30 | 0 | 10 mm | Perfect | Tijuana in October |
| November | 22° / 15° | 1 | 29 | 0 | 34 mm | Good | Tijuana in November |
| December | 18° / 11° | 2 | 29 | 0 | 60 mm | Good | Tijuana in December |