Click on a day for an hourly weather forecast
The weather in Sancti Petri in September is hot. The average temperatures are between 20°C and 27°C.
You can expect a few rainy days in Sancti Petri 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 Sancti Petri in September 2025.
If you’re planning to visit Sancti Petri in the near future, we highly recommend that you review the 14 day weather forecast for Sancti Petri before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 10° | 5 | 26 | 0 | 121 mm | Good | Sancti Petri in January |
| February | 16° / 11° | 5 | 23 | 0 | 104 mm | Good | Sancti Petri in February |
| March | 17° / 11° | 7 | 25 | 0 | 124 mm | Ok | Sancti Petri in March |
| April | 19° / 13° | 5 | 25 | 0 | 95 mm | Good | Sancti Petri in April |
| May | 23° / 16° | 2 | 29 | 0 | 51 mm | Perfect | Sancti Petri in May |
| June | 25° / 19° | 1 | 29 | 0 | 13 mm | Perfect | Sancti Petri in June |
| July | 28° / 21° | 0 | 31 | 0 | 2 mm | Perfect | Sancti Petri in July |
| August | 29° / 22° | 0 | 31 | 0 | 8 mm | Good | Sancti Petri in August |
| September | 27° / 20° | 1 | 29 | 0 | 37 mm | Perfect | Sancti Petri in September |
| October | 24° / 18° | 4 | 27 | 0 | 115 mm | Perfect | Sancti Petri in October |
| November | 19° / 14° | 6 | 24 | 0 | 157 mm | Good | Sancti Petri in November |
| December | 17° / 12° | 4 | 27 | 0 | 125 mm | Good | Sancti Petri in December |