The highest day temperature in September 2025 was 90°F. The lowest night temperature was 63°F. The average values for day and night temperatures during September were 83.0°F и 72.1°F respectivly.

The average sea surface temperature in September 2025 for ses Illetes was 83.4°F. The maximum and minimum values were 81.2°F and 85.0°F respectively.

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

Precipitation total in September for ses Illetes is 0.8 in. It makes september one of the most rainy months of the year.

The average wind speed in September is 7.3 mph. It makes September one of the most windless months of the year for ses Illetes.

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 Ses Illetes in September is 9.0 hours.