The highest day temperature in September 2026 was 85°F. The lowest night temperature was 71°F. The average values for day and night temperatures during September were 79.7°F и 78.9°F respectivly.

The average sea surface temperature in September 2026 for Santa Marinella was 82.3°F. The maximum and minimum values were 78.4°F and 86.8°F respectively.

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

Precipitation total in September for Santa Marinella is 0.9 in.

The average wind speed in September is 8.4 mph.

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 Santa Marinella in September is 9.0 hours.