The highest day temperature in September 2023 was 78°F. The lowest night temperature was 74°F. The average values for day and night temperatures during September were 75.9°F и 75.8°F respectivly.

The average sea surface temperature in September 2023 for Porto Santo Island was 78.8°F. The maximum and minimum values were 78.2°F and 79.2°F respectively.

Most of the days in September are cloudy but you can also expect sunny or gloomy days.

Precipitation total in September for Porto Santo Island is 0.6 in.

The average wind speed in September is 12.5 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 6.8 hours.