The highest day temperature in September 2025 was 91°F. The lowest night temperature was 67°F. The average values for day and night temperatures during September were 84.1°F и 73.0°F respectivly.

The average sea surface temperature in September 2025 for Gundogan was 78.6°F. The maximum and minimum values were 76.6°F and 80.8°F respectively.

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

Precipitation total in September for Gundogan is 0.3 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 10.7 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 Gundogan in September is 11.6 hours.