Click on a day for an hourly weather forecast
The weather in Porto Santo in September is hot. The average temperatures are between 22°C and 23°C.
You can expect a few rainy days in Porto Santo 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 Porto Santo in September 2025.
If you’re planning to visit Porto Santo in the near future, we highly recommend that you review the 14 day weather forecast for Porto Santo before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 18° / 16° | 2 | 29 | 0 | 62 mm | Good | Porto Santo in January |
| February | 17° / 16° | 2 | 26 | 0 | 53 mm | Good | Porto Santo in February |
| March | 17° / 16° | 2 | 29 | 0 | 44 mm | Good | Porto Santo in March |
| April | 18° / 16° | 2 | 28 | 0 | 32 mm | Good | Porto Santo in April |
| May | 19° / 17° | 0 | 31 | 0 | 19 mm | Good | Porto Santo in May |
| June | 20° / 19° | 0 | 30 | 0 | 25 mm | Good | Porto Santo in June |
| July | 22° / 20° | 0 | 31 | 0 | 11 mm | Good | Porto Santo in July |
| August | 23° / 21° | 0 | 31 | 0 | 10 mm | Perfect | Porto Santo in August |
| September | 23° / 22° | 1 | 29 | 0 | 25 mm | Perfect | Porto Santo in September |
| October | 22° / 21° | 3 | 28 | 0 | 68 mm | Good | Porto Santo in October |
| November | 20° / 19° | 3 | 27 | 0 | 69 mm | Good | Porto Santo in November |
| December | 19° / 18° | 2 | 29 | 0 | 57 mm | Good | Porto Santo in December |