Click on a day for an hourly weather forecast
The temperatures in Guanajuato in September are comfortable with low of 12°C and and high up to 23°C.
You can expect rain for roughly half of the month of September in Guanajuato. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Guanajuato in September 2026.
If you’re planning to visit Guanajuato in the near future, we highly recommend that you review the 14 day weather forecast for Guanajuato before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 20° / 7° | 1 | 30 | 0 | 8 mm | Good | Guanajuato in January |
| February | 22° / 8° | 2 | 27 | 0 | 28 mm | Good | Guanajuato in February |
| March | 25° / 9° | 1 | 30 | 0 | 27 mm | Perfect | Guanajuato in March |
| April | 27° / 12° | 1 | 29 | 0 | 24 mm | Perfect | Guanajuato in April |
| May | 28° / 14° | 3 | 29 | 0 | 71 mm | Perfect | Guanajuato in May |
| June | 26° / 14° | 7 | 23 | 0 | 184 mm | Good | Guanajuato in June |
| July | 24° / 13° | 10 | 21 | 0 | 224 mm | Good | Guanajuato in July |
| August | 24° / 12° | 7 | 24 | 0 | 151 mm | Good | Guanajuato in August |
| September | 23° / 12° | 8 | 22 | 0 | 177 mm | Good | Guanajuato in September |
| October | 23° / 11° | 3 | 28 | 0 | 68 mm | Perfect | Guanajuato in October |
| November | 21° / 9° | 1 | 29 | 0 | 24 mm | Good | Guanajuato in November |
| December | 21° / 8° | 1 | 30 | 0 | 9 mm | Good | Guanajuato in December |