The highest day temperature in September 2023 was 90°F. The lowest night temperature was 69°F. The average values for day and night temperatures during September were 82.5°F и 73.1°F respectivly.

The average sea surface temperature in September 2023 for Heraklion was 81.3°F. The maximum and minimum values were 79.2°F and 84.0°F respectively.

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

Precipitation total in September for Heraklion is 0.6 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 9.1 mph.

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 Heraklion in September is 11.1 hours.