The highest day temperature in September 2023 was 97°F. The lowest night temperature was 66°F. The average values for day and night temperatures during September were 83.2°F и 70.3°F respectivly.

The average sea surface temperature in September 2023 for Cabo Frio was 73.1°F. The maximum and minimum values were 70.8°F and 74.6°F respectively.

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

Precipitation total in September for Cabo Frio is 1.0 in.

The average wind speed in September is 9.7 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 Cabo Frio in September is 7.2 hours.