Porto Santo Island Weather: September
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Average Day Temperature: | 77.5°F |
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Average Night Temperature: | 75.2°F |
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Sea Water Temperature: | 77.2°F |
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Number of Sunny Days: | 8 days |
| Sunshine Hours: | 11.9 - 12.8 hours | |
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Number of Rainy Days: | 0 days |
| Precipitation Totals: | 0.5 in | |
| detailed information | ||
forecast
| Porto Santo Island |
Temperature
| Porto Santo Island |
Air Temperature in September, °F
The highest day temperature in September 2025 was 76°F. The lowest night temperature was 72°F. The average values for day and night temperatures during September were 74.2°F и 73.8°F respectivly.
Porto Santo Island Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for Porto Santo Island was 76.8°F. The maximum and minimum values were 75.8°F and 77.8°F respectively.
You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Porto Santo Island is 0.5 in.
The average wind speed in September is 12.7 mph. It makes September the most windless month of the year for Porto Santo Island.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Porto Santo Island in September is 6.6 hours.
| Albufeira | ![]() |
+58 |
| Algarve | ![]() |
+60 |
| Cascais | ![]() |
+64 |
| Faro | ![]() |
+60 |
| Funchal | ![]() |
+52 |
| Lagos | ![]() |
+62 |
| Lisbon | ![]() |
+62 |
| Madeira | ![]() |
+52 |
| Ponta Delgada | ![]() |
+66 |
| Portimao | ![]() |
+60 |
| Porto | ![]() |
+56 |
| Porto Santo Island | ![]() |
+64 |
| Quarteira | ![]() |
+58 |
| Sao Miguel | ![]() |
+66 |
| Terceira Island | ![]() |
+64 |
| 0900 | ![]() |
64°F | SW 7 mph |
| 1200 | ![]() |
66°F | W 7 mph |
| 1500 | ![]() |
66°F | W 6 mph |
| 1800 | ![]() |
66°F | SW 7 mph |
| 2100 | ![]() |
68°F | SW 8 mph |
| 0000 | ![]() |
66°F | W 8 mph |
| 0300 | ![]() |
66°F | W 7 mph |
| 0600 | ![]() |
66°F | W 8 mph |


































