The highest day temperature in September 2023 was 99°F. The lowest night temperature was 75°F. The average values for day and night temperatures during September were 87.3°F и 80.9°F respectivly.

The average sea surface temperature in September 2023 for Zarzis was 85.6°F. The maximum and minimum values were 83.0°F and 86.8°F respectively.

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

Precipitation total in September for Zarzis is 0.3 in.

The average wind speed in September is 12.0 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 Zarzis in September is 10.7 hours.