The highest day temperature in September 2025 was 88°F. The lowest night temperature was 86°F. The average values for day and night temperatures during September were 86.7°F и 86.4°F respectivly.

The average sea surface temperature in September 2025 for Los Roques was 88.5°F. The maximum and minimum values were 87.8°F and 89.6°F respectively.

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

Precipitation total in September for Los Roques is 2.5 in.

The average wind speed in September is 15.7 mph. It makes September one of the most windless months of the year for Los Roques.

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 Los Roques in September is 9.0 hours.