The highest day temperature in September 2026 was 83°F. The lowest night temperature was 68°F. The average values for day and night temperatures during September were 79.2°F и 75.9°F respectivly.

The average sea surface temperature in September 2026 for Piombino was 82.7°F. The maximum and minimum values were 79.8°F and 85.2°F respectively.

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

Precipitation total in September for Piombino is 1.0 in.

The average wind speed in September is 8.8 mph. It makes September one of the most windless months of the year for Piombino.

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 Piombino in September is 9.0 hours.