The highest day temperature in September 2023 was 97°F. The lowest night temperature was 54°F. The average values for day and night temperatures during September were 75.9°F и 64.1°F respectivly.

The average sea surface temperature in September 2023 for Port Clinton was 74.3°F. The maximum and minimum values were 70.4°F and 78.6°F respectively.

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

Precipitation total in September for Port Clinton is 0.7 in. It makes september the least rainy month of the year.

The average wind speed in September is 9.7 mph. It makes September one of the most windless months of the year for Port Clinton.

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 Port Clinton in September is 8.2 hours.