The highest day temperature in September 2023 was 98°F. The lowest night temperature was 64°F. The average values for day and night temperatures during September were 91.5°F и 69.4°F respectivly.

The average sea surface temperature in September 2023 for Gulluk was 83.8°F. The maximum and minimum values were 80.8°F and 87.0°F respectively.

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

Precipitation total in September for Gulluk is 0.0 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 6.2 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 Gulluk in September is 11.4 hours.