The highest day temperature in September 2023 was 89°F. The lowest night temperature was 65°F. The average values for day and night temperatures during September were 80.5°F и 72.0°F respectivly.

The average sea surface temperature in September 2023 for Dalian was 78.3°F. The maximum and minimum values were 75.0°F and 81.0°F respectively.

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

Precipitation total in September for Dalian is 1.6 in.

The average wind speed in September is 9.6 mph. It makes September one of the most windless months of the year for Dalian.

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 Dalian in September is 9.8 hours.