The highest day temperature in September 2023 was 101°F. The lowest night temperature was 61°F. The average values for day and night temperatures during September were 92.4°F и 68.3°F respectivly.

The average sea surface temperature in September 2023 for Izmir was 81.1°F. The maximum and minimum values were 76.6°F and 86.2°F respectively.

Almost all days in September are sunny. There is very low probability of clouds or gloomy days.

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

The average wind speed in September is 8.7 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 Izmir in September is 11.3 hours.