The highest day temperature in September 2026 was 89°F. The lowest night temperature was 50°F. The average values for day and night temperatures during September were 70.5°F и 60.0°F respectivly.

The average sea surface temperature in September 2026 for Caraguatatuba was 72.8°F. The maximum and minimum values were 71.0°F and 75.0°F respectively.

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

Precipitation total in September for Caraguatatuba is 1.3 in.

The average wind speed in September is 5.3 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 Caraguatatuba in September is 5.9 hours.