The highest day temperature in September 2023 was 90°F. The lowest night temperature was 56°F. The average values for day and night temperatures during September were 73.8°F и 64.9°F respectivly.

The average sea surface temperature in September 2023 for Sandusky was 74.5°F. The maximum and minimum values were 71.0°F and 79.2°F respectively.

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

Precipitation total in September for Sandusky is 0.9 in. It makes september one of the least rainy months of the year.

The average wind speed in September is 10.4 mph. It makes September one of the most windless months of the year for Sandusky.

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 Sandusky in September is 8.1 hours.