The highest day temperature in September 2026 was 79°F. The lowest night temperature was 64°F. The average values for day and night temperatures during September were 73.8°F и 71.3°F respectivly.

The average sea surface temperature in September 2026 for Pico Island was 78.5°F. The maximum and minimum values were 77.6°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 Pico Island is 2.3 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 Pico 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 Pico Island in September is 6.3 hours.