The highest day temperature in September 2026 was 80°F. The lowest night temperature was 68°F. The average values for day and night temperatures during September were 76.6°F и 72.8°F respectivly.

The average sea surface temperature in September 2026 for Ponta Delgada was 78.2°F. The maximum and minimum values were 76.4°F and 79.8°F respectively.

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

Precipitation total in September for Ponta Delgada is 1.7 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 11.1 mph. It makes September one of the most windless months of the year for Ponta Delgada.

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 Ponta Delgada in September is 6.6 hours.