The highest day temperature in September 2025 was 89°F. The lowest night temperature was 73°F. The average values for day and night temperatures during September were 82.7°F и 75.5°F respectivly.

The average sea surface temperature in September 2025 for Puerto Arista was 91.4°F. The maximum and minimum values were 89.4°F and 92.8°F respectively.

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

Precipitation total in September for Puerto Arista is 3.5 in. It makes september one of the most rainy months of the year.

The average wind speed in September is 4.1 mph. It makes September one of the most windless months of the year for Puerto Arista.

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 Puerto Arista in September is 5.2 hours.