The highest day temperature in September 2023 was 67°F. The lowest night temperature was 44°F. The average values for day and night temperatures during September were 57.9°F и 53.2°F respectivly.

The average sea surface temperature in September 2023 for Piriapolis was 56.1°F. The maximum and minimum values were 53.0°F and 58.0°F respectively.

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

Precipitation total in September for Piriapolis is 1.9 in. It makes september one of the most rainy months of the year.

The average wind speed in September is 11.8 mph. This value is relatively stable throughout the year.

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 Piriapolis in September is 7.0 hours.