The highest day temperature in September 2025 was 75°F. The lowest night temperature was 41°F. The average values for day and night temperatures during September were 62.7°F и 52.6°F respectivly.

The average sea surface temperature in September 2025 for Ciudad de la Costa was 59.1°F. The maximum and minimum values were 55.6°F and 63.2°F respectively.

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

Precipitation total in September for Ciudad de la Costa is 1.2 in.

The average wind speed in September is 12.6 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 Ciudad de la Costa in September is 7.4 hours.