The highest day temperature in September 2025 was 88°F. The lowest night temperature was 46°F. The average values for day and night temperatures during September were 72.9°F и 56.7°F respectivly.

The average sea surface temperature in September 2025 for Balneario Esplanada was 66.0°F. The maximum and minimum values were 64.6°F and 68.0°F respectively.

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

Precipitation total in September for Balneario Esplanada is 1.3 in.

The average wind speed in September is 4.8 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 Balneario Esplanada in September is 5.8 hours.