The highest day temperature in September 2025 was 88°F. The lowest night temperature was 65°F. The average values for day and night temperatures during September were 79.8°F и 74.3°F respectivly.

The average sea surface temperature in September 2025 for Costa Adeje was 78.3°F. The maximum and minimum values were 77.2°F and 79.2°F respectively.

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

Precipitation total in September for Costa Adeje is 0.3 in. This value is relatively stable throughout the year.

The average wind speed in September is 6.8 mph. It makes September one of the most windless months of the year for Costa Adeje.

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 Costa Adeje in September is 10.9 hours.